GAS vs DIESEL - Fuel and Maintenance $$$ Silverado Trail Boss 2024
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- เผยแพร่เมื่อ 5 ก.พ. 2025
- I put together some basic costs of the 3 main engine options for a 2024 Silverado Trail Boss - 5.3 Gas / 3/.0 Diesel / 6.2 Gas
3.0 Duramax Oil Change: amzn.to/42RQOTh
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5.3/6.2 Oil Filter amzn.to/3uMjK2D
AC Delco 41-114 Spark Plug: amzn.to/48swr0l
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YES!!! Finally someone does a video on a subject many want to know in a truck many can afford and not a $90,000 truck…
a lot of people can because 90K doesn't purchase a lot.
To me the best part about the diesel is the range you get on one tank. If you are offroading, hunting or camping, the interval between gas stations becomes important. I love that I never have range anxiety on the diesels.
GM only put a 24 Gallon fuel tank in their half tons. Ford has 36 and Ram got 32. Even though the Duramax is pretty efficient, but it has no advantage on the range part when compared to a F150, no matter what engines you choose. Tank size really matters.
I wish my bladder could go as far as my 3.0’s fuel tank. When I fill up and read “Range 698 miles” I know I’m out matched.
I wish there was an aftermarket fuel tank for the gassers. There us is room to put a much larger tank.
I looked at the number when I was looking to replace my Ram 1500. I settled on an RST with the LZ0. I drive a lot. I have 31,000 miles on it since April of 2023. I did a trip to Little Rock and back, 1850 miles round trip and averaged 29.5 mpg combined. I did another trip to El Paso and back this back new years and averaged 26.5mpg combined. The Ozarks sucked the fuel down a little but I was pleased with my MPG overall for the trip. I enjoy your videos and you actually helped me make the decision to switch back to GM after 20 years.
His figure was with combined mileage so much lower average, with offroad tires.
In my opinion after 1 year of ownership, the 2023 Denali 3.0 LZO pays for itself. I’m getting well over 600 miles per tank with mixed Hwy and city driving. I drove 344 miles from TN to AL last Monday Feb 12th and I have 99 miles to empty today Feb 23rd.
I’ve added 3 boxes of def currently with 16K plus miles. I’ve only towed once in the city.
First oil change and def fill was free from the dealership. I’m happy with my purchase.
To be fair my old truck was a 2007 Silverado with the 5.3.
Great comparison video..I thought I was the only one that break down cost like this. 😂😂
I've got a 03 silverado 5.3 and was wanting to buy a new truck. I've heard great things about diesel in regards to mpg but needing to do way more maintenance. Will you tell me more about the daily driving a diesel compared to the 5.3?
My 2024 Z71 Trail Boss Custom gets 32 MPG. Driving 1000-1200 miles per week. I have gone through 3.5 gallons of DEF in 5500 miles. I keep track of my fuel consumption and DEF through the Fuelly app. Have done my first free oil change through the dealership at 1000 miles. I did my own second oil change at 5000 miles costing $85. So far my total cost has been $623.66 for all fuel, DEF, and oil changes.
23 At4 LZO here. Had it since new in March of last year. About to roll 16k. Averaging 26-28mpg on a 25 mile commute. Truck has been unbelievably efficient. Def consumption is minimal. Haven't been really keeping track but I've only added 5 gal in 16k miles and it has about 5/8 of a tank left as it sits. Edit: the dealer may have topped off the def kn the first oil change i cant remember.
I have that truck and have never approached those numbers.you driving 55 mph? lol here in Texas at 80mph mine does 20-22 mpg
If you have Bridgestone Dueler you'll see better MPG than the Duratracs... Which do you have?
@@ZmannR2
@Deak2311988 is the oil consumption an issue for you?
I’m getting those same numbers. A great engine and the torque is wonderful. My best fuel mileage on a 50 mile loop on a flat highway at 60 mph was 40.2 mpg. And that’s was still in break in. I’ll take those numbers any day.
Def consumption is about what you had also. It’s a non issue for me with the mileage I’m getting and the towing capability.
The 3.0 has turned out to be a great engine. If your getting low MPG it may be because you have a lifted ver with bigger tires.
Oil consumption has been found to be a leak in the shield on the valve area that allows oil to be ingested in one of the cylinders. And that causes sensors to tell the computer to use more def.
One thing not mentioned is that when buying the Duramax, your drive train warranty is 100k vs 60k on the gassers.
2022 3.0 Duramax DEF at the pump is $3.99 per gallon. Ave economy is cloeser to 26mgp. I think with real numbers the 3.0 will be more ecomical the the 5.3 gas. Nice job on this very informative
Yeah, those estimate are way off. I don't have the mud terrain tires which I'm sure drops MPG quite a bit but I'm rarely below 27 MPG with mixed driving and easily get 31 MPG when doing all highway. As you stated DEF is pretty cheap at the pump and a tank lasts thousands and thousands of miles.
I agree the EPA and actual mileage for the diesel don’t align. I’m very impressed with the off line performance of the 3.0 diesel. I’m vey worried about possible emissions issue costs if I plan to keep the truck to say 125k miles. One expensive repair blows away any potential savings.
M
what you dont factor in is the price of fuel. 5.3 takes regular and where I live diesel is same price as premium gas which is 80c more a gallon than regular.
@@joedfaziothat’s when you delete it and increase your fuel mileage.
You should have compared using ACDelco oil for the gas trucks as well. There are other ways to buy oil for the 3.0 that brings the price down to the gas truck levels. Mobil 1 0w-20 ESP.
Great video. If you do any towing, I'm sure the 5.3 will get 7 to maybe 10 mpg vs. the 3.0, getting from 15mpg up to 19 depending on load. For example, I had a 2011 titan and couldn't get 260 miles towing of towing my side by side. With the 3.0 I can and still have some fuel left. And that's that the titan had a 28 gallon tank. Vs 24.
I could barely do 260 miles in my 2019 Titan even without towing anything.
Great video. I really appreciate this comparison. I've been managing fleets of HD and commercial work trucks, both gas and diesel for 30+ years. In my experience, you buy a diesel because you need a diesel. You don't buy one to save money. Lots of towing or idling, you need a diesel, but if you're just driving around with gear in the back, get a gasser. This 3.0 is much more economical than I would have expected and will definitely consider trying one of these out.
Thank you!
Good video. I have a 23 TB 3.0 though and over 33000 miles my hand calculated mpg is 24.5. So that would probably put it out in front on value.
What I really want to see is how these number stack up while towing say a 4k box trailer. I would say again that the diesel pulls ahead further if you are towing something.
So I know you are going off the provided information but I have driven all 3 engines and sizes of vehicles. Here is what I can tell you:
The 5.3, although it is a reliable engine, I think it's underpowered and over rated. If you are looking at a gas engine then I highly recommend the 6.2 as you get way more pep and better mpg. The EPA numbers are wrong. I have a Yukon XL with the 6.2 (18 ave) and it gets way better mpg than my siblings Suburban with 5.3 (16 ave) and yes they are the same yr.
I also have a 1500 with the 3.0 (26.5 ave) and I love it. It has quit a bit less pep that the 6.2 but better mpg. Also the Def consumption is only 5gal per 7k-8k miles. The best ever mpg we have gotten with these vehicles is 21/5.3L 400mi trip, 22.5/6.2L 700mi trip, and 29.8/3.0L 500mi trip.
Thanks for this video. I have a Tahoe in north GA - diesel + archoil additive costs about 3.15/gallon and I average 24.4 combination - about 19 in bumper to bumper and about 29 on highway-only. Factored in with the amount i drive; the cost savings of the 3.0 over the 5.3 paid off in about 8 months - including maintenance after I added spark plugs. I did include doing the fuel filter change myself. DEF is a nominal cost - it costs like $10 a couple times a year at Buccees - a small price to pay for cool diesel noises. A couple of other notes -- the diesel sound is cool, I prefer the overall driving experience versus gas for a vehicle of this size, and the infrequency of needing to fill up DOES add some incalculable value.
Diesels dont have spark plugs...you mean glow plugs? And your truck has how many miles and it already needed glow plugs? Thats not good.
@@anthonys1965 you misread my comment I was factoring the theoretical maintenance of the 5.3L gas V8 spark plugs in the ROI of the LM2
WOW!..Thank you for putting together cost differences at 5 and 10 years with maintenance products list. I just started evaluating GMC 1500 SLE or SLT with max tow package and was leaning to my first ever 3.0 diesel for towing. Not a fan of DEF but total (10) year cost shown of all (3) engines and doing my own maintenance, diesel is now a go. I keep vehicles for 10 years and after finding your channel with excellent content, I am a very happy subscriber. Very much appreciated.
I think you're spot on. The other major factor that most people won't run into but is reality on long term ownership, the diesel model just has more things to go wrong. We all know that all of these engines have the capability to go a long time. But how long are those emissions sensors going to last? How about that DPF? These are big cost items. I've got a 2008 gmc sierra with the 5.3 and I'm at 508000kms or just over 315000 miles and it still has the original o2 sensors and exhaust on the truck. Still all original drivetrain/powertrain too. Meticulous maintenance goes a long way but I think if you are a person who keeps a truck until it falls apart, I think the 5.3 truck is a better pick in the long run. It's the KISS principle. Good job on the video.
First time the emissions throw a code, you delete it. Now that 25 mpg goes to 30 mpg and you not longer have these “problems” with emissions. Diesel engines are well known to outlast gas engines. Also resale value of a diesel is way higher than gas jobs. Look at any used “turbo max” trucks. They’re the lowest priced used trucks on the market because no one wants them
@@dimestackwelding607not everyone is going to delete their truck and lose the warranty.
The problem is that with EPA regs you have AFM/DFM ruining the v8. Straight NA v8 is a different story but these engines are getting worse.
2023 AT4 LZ0 with 10k miles. Truck is leveled with 34" Toyo Open Country AT3s and Fox 2.5 w/DSC. I get 23mpg hwy at 80 on cruise control and 25 if I slow to 70. But, if I'm on the hwy I'm doing 80. I use 1qt of oil per 5k miles. I have no problem with that. I've gone through 5g of DEF plus the dealer top off at 4,500 miles when I chose to get the break in oil out (free 1st service). The 0w20 dexosD oil is stupid expensive at the dealer ($15 a quart here in southern CA) but is much cheaper online. I use 2oz of Archoil AR6500 per tank and routinely go 600-800 miles between active regens. The engine likes to be pushed and if you do that you'll have a lot of passive regen. Love the engine and it performs incredibly well off road. Edit: If you tow heavy it will drink DEF.
what is passive regen?
When the engine is working hard and EGTs rise to levels high enough for long enough to burn off DPF soot. Towing, climbing hills, etc.
As an edit to my prior post, my active regens are much more frequent now for some reason. Not sure what happened but Demon is experiencing this now too. I’m now only getting 150-300 miles unless the truck is working hard.
I’ve got a 2024 TB slate gray with the duramax. Averaging about 25mpg so far. I have many videos. Awesome comparison. I know you know this but range is a big deal for me. Wish they would give us another 10 gallons across the lineup. Oh yeah I also have a new 3500HD and a fairly new RST. I might have a problem lol
One expense you need to consider on the 5.3 and 6.2 is the lifter failure rate with the DFM system, after 100,000 miles you most likely have to consider that cost in your ownership costs, just like the oil drive belt on the 3.0L
And fuel MPG in real world driving for me was a bigger gap, my trail boss 6.2 was 18mpg over all while my at4 3.0L was getting 27mpg overall
My 2008 5.3 got to 276K miles…..
I'm looking to buy either a 5.3 or 3.0 so thank you for breaking the numbers down. I think I'm going to go with the 3.0 just for mileage/range. As you noted, it's only about $600 more than the 5.3 after 10 yrs so I can definitely live with that. Hate waiting in gas lines!
Thanks for this. Exactly what I was looking for. I’m on the fence for the 3.0 Duramax. Never had a diesel before so I am a little nervous about leaving gas engines behind.
Glad I could help!
Looking at a 3.0 liter tomorrow 😬
Did you buy it?👍
@@MrJockoDundee absolutely did!! Dark ash metallic trail boss!
I think the fuel economy is underrated for 3.0 Duramax. 28 mpg is about my average measured at the pump and on gauge. Then factor in towing gas vs diesel. On my trailer that is about 4000 lbs, a gas gets 8-10mpg and 3.0 Duramax I get 17-18 mpg.
I’ve been using the fuely app to track everything on my 2023 Denali 3.0 with oil change every 5k, fuel, fuel filter every 15k, and def I’m at $0.23/mile
Great job! Thank you for taking the time to break this down. I couldn’t decide between 6.2 and 3.0.. I’ve made up my mind up!! Going to try the diesel!
Glad it was helpful!
Same here
Great video. Those gassers with the lifters.. 7500k mile oil changes not good. Realistically.. 5000k max for long term reliability. Retired engine rebuilder....
Helpful video. All I need now is some real world information from owners I meet in the oil industry. If the diesel is more economical under load as the heavy duty diesel are, it could tip the scales to the diesel. Also from what I’ve heard from a few people the 3.0 often beats the manufacturer’s fuel economy ratings. Now that they’ve increased the service life on the oil pump belt it’s even more desirable. All I’m really waiting for is time to observe reliability. The 5.3 has already proven itself so let’s see how the new version of the 3.0 handle’s commercial use
It’s my understanding the Duramax line was a joint partnership with Isuzu and the 3.0 is widely used in European, cab-over freight trucks. One YT video mentioned that is the reason the gear drive (w/ oil belt) is on the rear of the engine.
If true the engine has been battle tested.
Please, someone correct me if I’m wrong.
I have a ‘23 LTZ and just took a round trip of 4200 miles. The dash computer shows my best 450 miles were at 33.9MPG. Not sure where that was along the way but the entire trip I was running 70-75MPH on cruise control.
DEF… it sips not gulps. I didn’t measure it accurately, but I’m estimating about 1-ish gallons per 2000 miles. I’ll measure it again someday because I really didn’t pay attention to it. I guess that is a good commentary all by itself.
I changed the oil/filter myself when I got home and that cost about $87 with the Mobil 1 Dexos D from Napa.
I’ve pulled my boat (4000-ish lbs) for 600 miles at 50mile intervals. 15.86mpg according to the dash computer. That’s double my 5.3’s best day. And, the oil burner with the 10 speed behind it doesn’t sound like it will explode on the hills.
My old battle axe is a 2008 LT w/ a 5.3L.
Models play a HUGE role. My AT4 w/the 3.0 gets maybe 22 on the highway max. Yet a more street friendly version like the high country or LT will get you a good 26-28
Dang man. Where are you located? My 22.5 LM2 did a sustained best on 30.9 on factory tires. Now, with 2..25 inches of lift and 35x11.50 Nitto Recons, I can hold a steady 24-26 running 78-80. Still get 30 +/- at 55-60mph. Average 18 around town, and I'm not light footed.
Mine is AT4 as well, BTW.
@@ashleymalone5396 Lager diameter tires will read worse mileage but they'll actually be very close to the same if you factor in the distance per revolution the tire actually takes.
I bought a 2024 5.3 Trail Boss. It’s got more power than my 96 LT4 Corvette. I’ve had it just over a year and have driven it😊 a little over 15,000 miles, with oil and filter changes at 3000 miles. I fill er up with Costco 87 octane top tier gas now selling for $2.54 a gallon. I got GM financing at 5.9% over 60 months. At any rate I am very pleased but I may still trade next year up to the LT Model, since my Custom does not have a few features that I now realize are important to me.
Great vid, a good eye opner for true ownership. However on a side note, a full weight reduced 3.0L gets the kinda mpg where one thinks the fuel gauge isnt working correctly as it ligit stays pinned to full for a very long long time, oil stays extremly clean and DEF jugs are what other people deal with. From what I understand the investment is 1000% worth it.
I did similar calculations but did not factor in maintenance. Agree with your results. 5.3 and 3.0 roughly same total cost of ownership. Diesel in Northeast taxed heavily. 6.2 very difficult to justify cost when factoring in premium fuel but what a great engine. Car reviews focus a lot on EPA ratings and test observed mpg but if looking at cost per mile really need to factor in octane ratings given the growing cost gap between regular and premium fuel.
Exact reason why I bought the diesel, I’ve had several 5.3 and a 6.2 truck, neither get what gm says they will on fuel mileage, they do ok for a v8 in a full size truck but one other cost that may also completely change up everything is the fact the 6.2 and the 5.3 only have a factory warranty until 60k miles so if you drive a lot the 3.0 will be covered when if at 4 years and let’s say 62k miles your lifters pack up and go home then you are now out the additional cost of that or for an extended warranty. So I’d say myself the 3.0 and 5.3 are very competitive in cost of ownership. Yet the 3.0 is faster, it’s more efficient and it will tow better. I owned a 2021 RST crew cab z71 with a 6.2 and I bought it new and had never reset trip 1 from the day it was new when I traded it in the truck had averaged 13.4 mpg over the 27k miles I put it on it. Now as far as the cost of fuel differences premium and diesel are usually pretty close, the 5.3 will definitely be your cheapest to fill up but your 3.0 will go almost twice as far on the same tank. My new LZO LTZ z71 gets 22-25 mpg driving in the same conditions as my 6.2. I drive roughly 1k miles a month and the 6.2 cost me around $295-$310 a month in fuel, the 3.0 is about $140-$150. That’s around town driving. Now that being said my 6.2 did average 21.5 on a 600 mile highway trip once but my 3.0 will get 30 driving through the mountains of West Virginia.
This is a great comparison. I was going to do the calculations myself, but now I don't have to!
Glad it was helpful!
24 zr2 LZO here. Average 25 consistently. I bought 3 years of service for $750. They fill up the DEF every time I take it in for service. So for me personally, fuel is 1,200 less than my old hemi even with prices factored in, 3 years of DEF, service and fuel filters are 750. So the Duramax easily is more economical.
Have a 3.0 and love it. I tow sub 8k lb trailers and it is solid. My friend has the small 8 and it only gets 9-11mpg while I am at 15.
And I believe that is where the diesel shines and the reason I bought mine. I pull a 7x7x14 trailer that weighs about 4000lbs at 65mph and see 15ish mpg give or take depending on wind.
Driving a 6.2 gets better every time I get gas 75 mpr at 1123 rpm 360 miles per tank beat that shit
Got a 24 Sierra SLT 3.0 with a 6” bds lift and I’m still averaging 19-20 mpg combined. I was getting closer to 25 while stock.
Your data makes me feel a little better as just got a 2024 GMC with the 5.3. Considered the 3.0, but never had diesel and was concerned about increased fuel and maintenance costs. Great comparison to show numbers.
I have the 22.5 refresh LM2 AT4. Been very pleased with it so far. Purchased in Sept 22. Just now broke 14k miles. I fill up on average once per month, and I dont pappaw it. If I want to go, I go. Current local diesel price is around $3.50-3.70/gal. I wouldn't have bought the truck if the V8s were the only option. Have 3 other buddies that have purchased the same truck since buying mine.
Great comparison! I'm just waiting to find the right deal on a Silverado or Sierra with the LZO! I test drove one and I really liked it.
I pay less than 60 for 7xDexosD and a PF66 (2 changes purchased at RockAuto at a time), 8.88-9.98 for 2.5 DEF (Walmart SuperTech), I am beating EPA average estimates by 3.5 MPG over the life going by pump receipts, and I am predominately short trip in town (80%) so there is more on the table for most people. Last but not least, the oil pump belt has yet to fail in one of these engines that I am aware of, but valve train failures on the 5.3/6.2 don't have such a stellar record. People are used to paying a significant upfront cost for HD diesels (9K-14K extra) that doesn't exist with the 3.0, so I think we could shave a little off your estimates without even including the 5 year/100K on the powertrain which I feel a lot more comfortable with compared to 3/36 on the gas with DFM. Oh, and you are driving a bad ass diesel that is probably the best powertrain on the market. I'll stick with my 24 ZR2/LZ0 at what I think is probably a break even with the other powerplants at the very least and I burn zero oil.
I love to hear it, I think you are accurate!
I think the power train for the 5.3 is 60k and 100k for the 3.0 but the bumper to bumper is the same at 36k. Also note the 3.0 has an 80k mile emissions warranty. I'm actually glad they decided to give us 3.0 buyers the 100k instead of the 60k
@@cjgames4378, you are correct, 5 years/60K on the 5.3 and 6.2, and the 2.7 gets the 5 year/100K just like the 3.0
I’ve owned all 3 of these engines since 3-23. ‘23 Sierra 1500 with 5.3, ‘23 ZR2 with 6.2L and ‘24 ZR2 with 3.0L. I agree with your figures. I used all these trucks in my ag consulting business. I drive in tough off road conditions and decided ZR2 was best. However the cost of 93 octane and 15 MPG made it most costly to run just as you showed. I like the range I get with 3.0L over the gas V8s. I can leave home, my truck runs 12+ hours a day, and can make it back without stopping to fill up. I’m averaging 22 MPG with 3.0L. Fuel is much cheaper in Amarillo TX vs the small rural towns I operate around. Also I get 100K power train warranty with 3.0 vs 50K for gas V8s. Also no 5.3L option in ZR2 trim.
Thanks for the break down. Been trying to figure in my head what the TCO is comparatively with these engines.
So the one assumption here with these numbers is that each driver is doing the same type of driving, 15000 regular road miles a year. Now I imagine if you are using a truck as it should be used, i.e. towing and/or hauling heavy loads, then that would change the results a good bit. Of course that would be a lot of new variables to add in. I suspect, though, that the Duramax would start to pull ahead if one were to run the numbers. Even still, it's only about a $600 difference between the Duramax and the 5.3l. And the big benefit is that you get an engine that simply needs some costly maintenance at 200k miles, whereas the gas engine is likely hitting the end of it's lifespan. Great breakdown, thank you for running those numbers.
Great video! Have a 24 6.2 and with the cost of premium I'd get the diesel if I could do it again.
I do manage to get 18- 19.5mpg as a average but that's keeping my foot out of it and anyone with a 6.2 knows that's hard to do!
i have a 23 LZ0 LT Z71 eith 29K miles. Averaging about 27 MPG. It using about 5 gallons of DEF every 7K miles. For the majority of my ownership Diesel costed less than regular unleaded her in Arizona.
Can you update the numbers using "real" mpg figures? What have u gotten in your 3.0 and what have you heard from the gas engines? Advertised numbers can vary a lot
Awesome video & Info. Title seems a little miss leading though. I would like to see a comparison like this on a 2500 series truck
Nice job, cost per KM is a much better metric than just fuel economy. Diesel here in Canada hovers around the price of regular gas so even more savings. Right now it's actually a few cents cheaper per liter so it's a 30 percent annual fuel savings easily. Hard to argue that value.
$1.859/ litre diesel
$1.369/ litre regular gasoline
With those prices where I’m at in Canada, the benefits of that diesel are lost.
Excellent cost breakdown. I think one other consideration would be price volatility of diesel fuel vs 87 Octane. Even with prices higher across the board - diesel, 87 Octane, 93 Octane, it appears increases in Diesel prices exceed increases in 87 Octane. Also, generally speaking the resale of the diesel should be higher than the 5.3
I have the 22 3 L it’s been an awesome truck currently have 16,000 miles on it but I was at the dealership yesterday getting an oil change tire rotation. They called and told me the cabin air filter was dirty that was $80 and I had them change the fuel filter, which is really expensive, they used to rotate your tires for free when you got oil change so now they charge 14.95per tire. Needless to say I walked out with a $400 bill yesterday I was shocked.
That cabin filter is the oldest trick in the book! They got ya!
Cabin filter isn't a trick, it's a maintenance item.... if it's dirty, change it.
Yes on the 3.0L because I get my def at truck stop pumps for 3.99 a gallon and Mobil 1 ESP X2 is 25.99 at Walmart. And I run my tires at 45psi for life and fuel mileage. Now I live in Michigan so relatively flat and I run the speed limit and 32 years of driving trucks has taught me ease in the throttle and keep boost to a minimum as you build speed. Right now I am sitting at 31.3 lifetime mpg for the 55.600 miles I’ve owned truck. 21 Z-71 RST
I'm looking at a 25 SLT with a 3.0.. Just not sold on it because of MPG alone. I worry about the def and cold weather headache
What's the cold weather headache?
I live in North Dakota. #2 diesel can start to gel below 20 degrees. Just mix in your favorite flavor of anti-gel at every fill up & you’re good to go. Some fuel stations even have anti-gel premixed in if you find the right one. When it gets real cold, say -20 degrees fahrenheit, probably best to look at a #1/#2 diesel mixture. I’ve had trucks gel up & it’s a pain in the ass but a little planning ahead & you’ll be fine. As far as DEF it will freeze but the DEF tank has a heater in it to thaw out the DEF while it’s running so not a big deal
Something to consider is that the first two oil changes are free which narrows the gap a little. Plus a lot of dealerships also do a free oil changes for free up to 5QT which also closes the gap. Then the resale may be higher on the Duramax at 75k, not sure if it matters much once you hit 150k.
LPGA
Peak DEF around my area runs over $20/2.5gal. You can get Fram/store brand for much less.
Getting ready to take my 3.0 on a long trip from Nor Cal to AZ can’t wait to see what mileage I get.
The only cost I didn't see added in on the diesel is that of the DPF cleaning service and/or replacement which will likely occur a couple of times within that 10-year span. And don't forget that DEF fluid has a habit of caking up sensors and other components of the storage tank and dosing systems on diesels which is another added cost necessity. Another added cost for diesels is the service / replacement cost for EGR coolers because they do fail. Unless you plan on replacing that diesel truck every 3-years or so, it's just cheaper and much less of a headache to go with a gas engine.
I got a 23 LZO and it’s perfect imo. Get 40mpg going 55mph and 30 mpg going 70mph.
I’m just interested to see fuel economy numbers if GM ever combines the 2.7T and 10speed
I have a 6.2 Yukon with the 10 speed and 140,000 miles (2018). Great truck a blast to drive. HATE using 92 octane. Did add ethanol sensor and tune - runs great and is $1.50 cheaper a gallon. Still probably not getting another 6.2. Might go with a 3.0, or maybe a Ford 5.0 (e-85 from the factory).
Amazing video, wow, great job. Thank you for sharing.
I really thought Diesel was going to be more expensive than gas🤯. Thanks for helping me be more informed on my shopping!
Happy to help!
I think the added fuel range and less time at the pump is an overlooked added benefit.
Good job. Always lots of intangibles. IMHO, the most dynamic variable is towing. The 3.0 blows away the gassers on fuel economy towing. I put Bridgestone road tires on my 20" wheels when I bought my AT4 last year. Best truck I've owned . . . but still loving my wife's 2.8L Canyon diesel too. :)
This is extremely dependent on location. In my area diesel is so much more expensive than gas. Its more expensive per mile, more maintenance, and of course purchase price.
I think where the 3.0 starts gaining a real advantage is in more aggressive driving. Running 75-80 mph on interstate and towing for examples. I think the gap in mpg between the gas and diesel widen significantly when pushed
Thank you. I hunt for gasoline-stations that give cash discount on gasoline. I think the gasoline-engine is less likely to have some odd breakdown. With the gasoline-engine there is some peace-of-mind not having the hassle of DEF, and knowing a mechanic can likely diagnose a problem. I think it all boils down to whether the owner is mechanically inclined and how much they love or appreciate diesel technology.
Here’s what I come up with, for the extra cost of the diesel I added up the cost of fuel filters every 8,000 miles, DEF at $9 a jug @ 1,000 mpg, & the recommended dose of Hot Shots at every fill up & I came up with roughly 1.5 cents per mile for all of that. To me oil change costs are a wash since the 3.0 uses 1 quart less oil than the 5.3 & 6.2. Mileage & fuel prices will vary between different models of trucks, some days the 5.3 will be cheaper to run & others the 3.0 will be cheaper depending on fuel prices. But you really need to compare the 3.0 to the 6.2 in terms of capability. The 3.0 will out tow the 5.3 all day long. So comparing the 3.0 to the 6.2 running premium fuel the 3.0 is way cheaper to run. With the longer powertrain warranty to me the diesel is the way to go if you tow occasionally. If you don’t ever tow campers or enclosed trailers, the 5.3 would be fine. If you like to drag race at every stop light, get the 6.2
For the extra cost involved, I would still pick the diesel option.
Stumbled across this and great video! The cost negligible for the 5.3 vs 3.0. Obviously the 6.2 is a fuel pig… but I’d like to see what the ROI is as far as trade in value is across the 3 at that 100k mark and if one is more than the other. I have had HD diesels and my cost is only slightly more with the lions share being maintenance as fuel is almost a break even in my area. The diesel is worth significantly more on trade in than a gas though, or to the tune of $10k but much more than a comparable gas HD truck.
Im sure someone will correct me if I'm wrong, but don't diesel engines last significantly longer when regular maintenance is performed? Would that not also factor into the overall cost over the life of an engine? I feel like the slightly higher cost of the 3.0 would still be cheaper than having to replace the vehicle or major parts of the engine sooner.
I have a duramax i found the oil filter on rock auto for $6
And mobile 1 exp 2 dextros d for $25 for 5 quarts which brings the oil change price way down
I now own my second 3.0 Duramax, the first in a Sierra and the second in a Suburban. It's a mistake to compare the gas engines to the diesel on cost and power. The diesel tows up to its limit effortlessly without high rpm's like the gas engines. It's a completely different experience in towing. Any vehicle put to regular towing use is going to be better with the diesel. The diesel will use less fuel and last longer.
Love this detail and so happy to see DIY maintenance figured in... It would be interesting to see some predictions if regular towing was included in the calculations. I'm wondering if the 3.0 would come out on top? Lets say you tow a 4000# trailer 1500 miles per year.
Good video! People should realize that any other model/trim the 3.0 gets 3-4mpg average, while the other engines get about the same
You forgot the cost of replacing the faulty lifters on the 5.3 liter engine. Mine went at 5,500 miles on my 2021 Sierra 1500.
I would say that my 3.0 is worth it (I'm on #4).
The resale value on the 3.0 is more than the $800 difference in cost in the 75k miles. I know that resale value is tough to compare because that is wildly different depending on location.
Truer words have never been spoken
DEF consumption. Your high country LZ0 had ZR2 tires on it. Adds load to the engine causing DEF usage. My 2024 AT4 regens every 750 miles like clockwork. 3000 miles, 4 regens, half a tank of DEF. I think stock truck DEF usage would be 200 - 250 hundred less. All in all good analysis and presentation for future buyers. Went with diesel to avoid dynamic fuel management/lifter issues.
Thanks ! The truck did have ZR2 wheels and tires for at least half of the time but not all of the time. I did not see any difference in DEF consumption running either set of wheels. It all comes down to area, driving style and other conditions. I have never seen a truck regen every 750 miles like clockwork, so you are an example of perfect conditions. I've run 5 regens in 2300 miles, that was pulling data from GDS2, the gm diagnostic software. Appreciate the comment and the info!
Assuming your numbers played out as listed, the 3.0l is still the best option when you look at towing capacity. Only the 3.0l and 6.2l are able to be equipped with the max trailering package (~13k vs ~9k for the 5.3l). Clearly if you tow a heavy trailer from time, the 3.0 is the best choice.
I was hearing from some that the annual cost/ maintenance of the 3.0 isn’t worth the little power you get from it and less towing. I’ve been debating between the 5.3 and 3.0. But this video breaks it down great and really not much difference so I guess it’s about what I like most at this point. I wouldn’t feel comfortable Towing 11,000lbs (for long stretches) with a half ton truck anyway. lol
If you are spending $50 or 60k on a truck, are you really going to worry about a $100 of maintenance here or there?
Just get what you want.
i think for the extra towing capability, the extra range, the fun factor, the extra couple grand make the diesel option the best choice for me. I would also add the peace of mind for it being the longest lasting option if you keep it for a very long time
Original owner of 2011 6.2 max trailering GMC, 2 years ago towed 6500 lb toy hauler 2700 miles to Daytona when premium was $5 gallon & averaged under 7.5 mpg. Was considering 3.0 Duramax but ended up with new Ram Cummins HO.
Imo 1500 Duramax is a smart buy, 6.2 is not.
Recently diesel was over $1 less/gal than premium.
i cant wait to pay off my 2017 LT z71 Silverado been looking to upgrade too a 2024 LT trail boss 6.2
I think I will splurge the $600 difference and go with the diesel. Hoping GM corrected the issue, but who knows what engine problem you will have with the 5.2.
Went from the 5.3 to 3.0 and it’s night and day on mpgs ESP while towing. If your towing regularly get the 3.0.
I loved my lm2 on my gmc Sierra when I bought it diesel was 2.80 in texas 2 months later it was 3:40 😂. Also I had a bunch of issues with it lots of no starts no cranks in 15* temps a diesel exhaust smell coming inside the cab metal shavings in the transfer case and a sagging headliner. All this was covered by the warranty but made me loose faith in the reliability of a gmc mpg was great tho did 33avg twice from Dallas to Austin. This wasn’t a singular issue either a lot of people had the same issue I hope this was resolve with the LZ
Your video is very informative and although people can argue their own numbers with tire size or tread and how much they are lifted as that all affects MPG. What people don't sometime mention is the value of stopping less at the pump with a diesel. I'm getting gas once a week with my Tacoma and I'm looking at the GMC with the 3.0. The thought of doubling or tripling my miles per tank would be huge even if in the end the cost of ownership is a wash. And I disagree a little with your numbers on the 6.2.. yes on paper it might show a 16 MPG but we all know someone with a 6.2 and they put their foot in it. I would if I had one and I'd be getting closer to 12 MPG.
Does the 3.0 dpf require ash cleaning/ replacement like a big rig truck? If so what is that cost/ interval?
No, there isn't an interval.
The one thing I have noticed with EPA fuel economy numbers is gas engines are over estimated on what real world drivers get and diesel engines are under estimated on what real world drivers usually get.
Also the EPA estimates of 55% stop and go 45% freeway (the basic mileage mix which they assume) is not ideal for everyone (and can be customized).
From my last truck 2018 4Runner (gasoline) EPA says I should have gotten 19 mpg with my custom mileage mix, I was lucky to get 17 and in winter got 14.
My current truck 2018 GMC Canyon Duramax (diesel) EPA says I should get 26 mpg with my custom mileage mix, I actually get 31 mpg and in winter get 28 mpg.
Same amount of driving between vehicles, same job, house etc… moving to the diesel I save ~$190 a month over the course of the last 16 months I have owned the diesel.
My 6.2 runs just fine on 87. Only put 93 in when I know I’m towing heavy.
Yeah not sure about current manual but it used to recommend higher octane, not require it. But the engine management system will detune it a little on 87 so you will lose some power.
What about detonation w lower octane? Is it a thing?
@@IrishNewit can be but these engines have knock sensors and will retard timing and make other adjustments to prevent detonation.
Great comparison on a truck I'm looking to buy soon so thank you for that. What puzzles me, I've read that the 5.3 will pull more than the 3.0 which looking at the numbers
(HP & Torque) and being a diesel, I would think the 3.0 wins. Weird...I now own a 2011 5.3 and it falls on it's face on steep hills or pulling a load
I have a 23 rst lzo with 4k miles. i only notice it in idle but at around 1500-1800 rpm there’s a slight squeal noise. Like you only hear it very slightly when you rev but if you hold the rev at that rpm the sound keeps continuing. any lower or higher rpm there’s nothing else
What about the 2.7L in the mix also? GM is pumping up the adverts for it, and presumably it will make its way out of the lower optioned trucks in the future?
I think it would be interesting to talk about resale after you have used those trucks for ten years. I would assume that the 3.0 would be the most popular?
I like the numbers. I would like to see if you can figure a $ amount to longevity of the vehicles. Something along the lines of the gas engine lasting 175,000 miles vs diesel engine lasting 300,000 miles. Those numbers are just examples. Anyway, love the breakdown 👍🏼
If you ran your 6.2 on 87 ? what has every one being seeing on the diff in MPG ?
hopefully someone can chime in that did that.
My chevy mechanic friend recommends oil changes every THREE thousand miles in the 5.3 and he says you can go 5,000 in the 3.0 duramax
GM tech here, I prefer 5,000 miles whether it's gas or diesel. 3000 mile intervals is a waste of money, unless you are towing frequently.
@@DemonWorks He might be a little over the top. He had me change my oil on my new silverado at 500 miles! I was like this thing uses how many quarts!? But he says better safe than sorry. He said those longer intervals are why people were having those lifter issues. So you double the oil change expenses. In the grand scheme of things, isn't that still cheaper than expensive repairs and downtime? His logic made sense so I say ok , take my money, Pennzoil.
Great video! However, one thing I would’ve loved to see is resale value. I’m leaning towards the 5.3, but if the 3.0 diesel will sell for much higher than the 5.3 because it’s in fact a diesel, then it’s worth considering. For example, if I can sell the 3.0 after 5 years for $2,000 more than the 5.3 after 5 years, then the diesel wins out. Please Let me know! 🙏🏼
I think most of these numbers are great but for fuel costs everyone’s comparisons will look different. In my area diesel is the same price or a few cents cheaper than gas. In your comparison from the gov site says it takes $20 more to fill up than the gas version
for sure, it will always vary by area for fuel costs. Also vary with personal use but this was a good blanket comparison, I felt.
@@DemonWorks thanks for the reply! I enjoy your videos as I’m looking to pick up a LZ0.
Very cool. Next do the 2.7 please. Thanks.
FANTASTIC video! Thanks for sharing! 👍
Why not compare prices for mobil 1dexos2 to mobil 1 dexos d (or ac delco to ac delco)while using ac delco oil filters? I always thought pennzoil was one of the cheaper oils?
I tried to show lowest cost for each that anyone could obtain.