2023 Chevy Silverado 1500 3.0L LZ0 Duramax Diesel Towing: MPG, DEF and Oil Use
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- เผยแพร่เมื่อ 1 ต.ค. 2024
- The new 2023 Chevy Silverado 1500 3.0L LZO Duramax diesel is the second-generation of GM's small light-duty diesel engine. Publisher Tim Esterdahl takes this new truck towing to see how good it is on fuel, DEF and oil usage.
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Here is the towing test with the mentioned PPE aftermarket transmission cooler:
th-cam.com/video/sNhmQAdrc2E/w-d-xo.html
Help me out . Is this LZO burning oil a quart every 500 miles . I am reading it’s a problem .
@@BearPapa49 a quart every 500 miles? I haven’t seen that.
do you have the 20" wheels or the 22", I have an '06 Ram SLT 2500 4x4 with the 5.9L Cummins its a pre-def model, I have airbags on it they are nice, I have a 29' toyhauler dry is 6600# I can add another 6600# to it, thinking about the 3L Duramax LZ0, since I get GM discount pricing as a retiree, you might be saying why the Ram I got a super deal on it $33k dealer had it as a demo
@@DavidNWallis 20” wheels.
8 5:4@@Pickuptrucktalk
Great video Tim. I got 11.5 towing 7400 lbs down to Myrtle Beach last month. My old gasser would have got 9.5 if I stay off the throttle. Most impressive is how this motor handles the hills. No more rev’d out to redline. Just cruises at 65 mph at 1700- 2000 rpm. Way more enjoyable experience. Love the diesel.
Do you have the 3.23 or 3.73 axle ratio?
3.23
I installed sumo springs on my truck and it made a big difference with the amount of squat. Also improved towing stability
I wonder if anyone makes ‘airbags’ for this truck?
There is an aftermarket tank that holds 43 gallons available from Titan for anyone interested in increasing the range.
Had a 2021 Silverado with the 3.0. Last trip was about 3,500 towing miles and averaged about 12.8 mpg towing about 7,500 lbs. Left Texas up to Denver across thru Utah then back thru Arizona and New Mexico. Used lest than5 gal of DEF on the trip. Highway mileage was between 22 and 28 depending on up/down, wind and speed. The very last trip Monday (May 8, 2023) was 350 miles at highway speed (70-78 mph) and computer showed 28.4. I know that was the very last trip in the vehicle because it was stolen Tuesday night in Dallas. Hope the SOBs that stole my truck get caught and spend a lot of time in the pen.
Looking at the 2023 Silverado with the 3.0.
How did it get stolen? Relay attack?
I still think this GM Duramax engine is the best small diesel ever. It’s smooth, quiet & powerful, without all of the horror stories associated with other small diesels. Great test, Tim!
Just ordered a Yukon with the LM2 .. thanks to Tim for the emails and info. Very excited to try out this great motor! Amazing to see the power and efficiency. TFL got 31.2 mpg on a recent road test (Sierra Denali 3.0).
@@AUav8r05 2024 builds start in Nov with the LZ0 ( I would wait for the 2024).
@@espi3324 has it been officially confirmed? So far it was speculation. We just received our Denali LM2 and love it. Test drove a sierra lz0 to compare and honestly you can’t tell the difference power wise.
@@AUav8r05 Dealership told me. Not sure how "official" that is.
@@espi3324 I expect it should be announced with the refresh. Hopefully some details are forthcoming soon.
I have a 2022 GMC Sierra crew cab 4x4 with the LM2. Just under 15K miles and so far I couldn't be happier. I am changing oil every 5K miles and have not observed any consumption between changes. I wish I had the max trailering package but when I ordered my truck you could not get it in conjunction with the X31 off road package. That being said my max trailer weight of 8,800 pounds plenty for me. My DEF usage with no towing has been one 2.5 gallon jug every 5K miles.
Great video. I currently own a Tundra 1794 2020 and if it was ever wrecked out and couldn't be fixed I would get a Sierra 3.0L Duramax over anything else. Nicely job.
I had a deposit on a 1794 for 6 1/2 months and Toyota never delivered. I wound up with a 2023 GMC SIERRA SLT with the LZ0 and have no regrets.
I love mine. It is truck perfection
We had a diesel in our Toyota van in Yemen. Too bad we don't get those here.
Gasoline engines are great for racing, but diesel’s are best for economy and towing
The Fast Orange hand wipes are a must-have if you have a diesel vehicle. They clean any diesel residue right off.
I have a 2021 Silverado 3.0 Diesel. Pulled my 28ft camper trailer up the west side of the Bighorns in the middle of the summer. Pulled awesome, transmission temp didn’t change whatsoever. Totally different experience than when I did it with the 5.3 Gas Silverado. Now Def guzzling, let’s not talk about that.
The iDash will give you an accurate DEF level from 0-100, DEF at Walmart is $9.48 for 2.5 gallons right now, and I think you should have also monitored EOT (Engine Oil Temp) and not just Transmission Temp and ECT (Engine Coolant Temp).
You tapped the brake which turned off cruise control. If you simply back the cruise control speed down to 50-55, within a few seconds it would start closing the turbo vanes and down shifting. At least that's how it works best on my LM2. Getting on the brakes just enough to activate the brake light switch to get the engine braking to engage is a bit difficult while taking curves in traffic, etc. especially in big mountain country.
Another great video. Thanks for the video. I’ve got a similar truck, 2023 with the LZ0 but the RST version and no max towing package as that’s become as rare as a double headed coin. I have a similar trailer at 6000 lbs and 29 feet so this is very helpful.
The DPF does tend to clean itself a bit under heavier loads or highway driving. I’ve noticed on short trips, the percentage on the iDash goes up fast but if you run a bit on the highway, it tends to drop. Id say your theory is correct. As for the fuel mileage it’s still better than my 5.3 when towing and the non towing mileage is incredible. I’m getting 40 mpg on the highway at 60 mph and the engine isn’t even broke in yet. No 5.3 can do that.
I’d love to hear from your GM engine engineer what he thinks are the max tempts for engine oil and trans fluid are when towing. I want to set up my iDash to monitor those parameters and make sure I stay within the design limits of this engine.
By the way the iDash can show your gear also. It’s part of my page one on the display. Helpful when towing, especially going up hill.
I love how people right away want to do the delete. When not towing, the DEF tank lasts 3000-5000 miles. Wow hardly worth considering when you’re still getting 35-40 mpg. So what if it eats DEF while towing. These emissions are clean and you’re getting down the road with no worries about the feds and the epa. Thanks again for the video and please see what your engineer says about max temps.
Sorry had a couple typos I had to edit. Hope it makes more sense.
Is your truck 2WD or 4WD?
@@jimlelan4906 4wd. Like I said above my hwy mpg is a tad over 40 and the around town, with many more Regens is currently at about 28 mpg. I’ve got 1200 miles on the truck. Breaking in slowly.
Tim
Your supposed to bring the back of the truck up with your load leveling hitch. Witch means you would have next to no squat.
So if your hitch is setup properly the truck will be level.
In your case that hitch is NOT SETUP CORRECTLY……
Also on GM trucks if your using cruise control the truck will downshift to maintain your speed automatically when going down hill
I thought the same. Tried it a few different ways. This hitch isn’t mine. I should have used mine which tends to raise the truck a bit.
Absolutely correct.
@@Pickuptrucktalk all you have to do is put more tension on the spring bars. I was a bit disappointed in your milage.
I get 14mpg pulling 6k lbs with my 2.8 diesel Colorado at 60 - 65 mph
Also I put my truck in manual mode set at 5th gear (it’s a 6 speed) and use tow mode. This does not allow it to automatically down shift while braking. Or let it automatically downshift to maintain speed on down hills. I don’t like the high rpm that causes. Trailer brakes work fine for slowing on downhills
@@robm3357 I wonder why you assume I didn’t put more tension on the spring bars. I tried that setup a few different ways.
Don’t use sumo springs and air bags.
I have towed hundreds of thousands of miles.
The best I have found are the road master active suspension.
I’d be curious as to what the tongue weight is on that camper. As well if it were myself I would bring the draw hitch in closer to the bumper if possible, lots of leverage there extended out.
I have a 2023 Chevy Silverado LTZ with the diesel and max towing package. I would agree that it squats more than I expected but I need to go measure tongue weight and adjust the load distribution hitch. FYI you get the trailer mirrors from the HD with the max towing package on the LTZ. They are great except for the blind spot they create at the A pillar. Those mirrors also give you some other camera features. I believe the DEF tank is 5.3 gallons. I have towed a 7000 lb car trailer about 2000 miles total on 5 separate trips. I average 13 to 15 mpg. I have driven 5000 miles total and get about 25 to 28 mpg without the trailer. Hard to gauge DEF useage off the indicator. I would say so far DEF useage when towing gets about 1 mile of driving to every 3 miles of driving without the trailer. I am curious if this is driven at all by the exhaust brake which is used quite a lot with the adaptive cruise control? It can be annoying because I have gotten the DEF low warning and the indicator at 2 bars and then go to fill and there is still 1.5 gallons in the tank. The other day I came off a pull where I had filled the DEF and the bars showed I used 1/4 of my DEF. After unhooking and driving around some the indicator showed full. Obviously the computer is calculating useage on the type of load it is encountering. I wish the gauge was just a quantity and not a predictor. Other than that the truck is awesome. I was towing with a 2019 Chevy Silverado with the 5.3 and the max Trailering package previously. It did OK but rode a lot stiffer and hunted for gears. The 3.0l is far superior.
I Love the smell of diesel in the morning.
YyEsssssss!!!!
The 3.0L is the best part of the new GM truck's. I think they really sold more trucks because of it.
Yes GM please just dont assume your truck buyers are stupid ,give us a switch to manually engage engine brake. " when in manual mode ."
The after-treatment systems have gotten much better over the years and the one in this GM seems to be one of the most reliable of the bunch. That said the new Diesel engines would be AMAZING without any of that crap. They would be MUCH more fuel efficient and reliable.
Set up the wdh properly and you wont have any squat
The irony of DEF, is it just takes particulate out of the air, and puts it on the ground and into the water supply directly.
Instead of just indirectly via the air.
Not much squat, but you have a weight distribution hitch. There shouldn’t be that much squat.
You can adjust the chains on the weight distributing hitch to level out the truck, tighten up to push more weight to the front of the truck, I tow a similar weight trailer with my Colorado, and it sits perfectly level.
This guy is clueless about the weight distribution hitch. He's blithering so bad I had to shut him down.
Nice vid!
What I like about your videos is that you're talking to to me and not at me, if that makes sense.
Great real world experience and information. Much appreciated!
Mpg would probably better if you had it in 2WD and not Auto 4WD. Auto does partially engage the transfer case clutches full time and varies clutch pressure depending on demand, the there is always some amount of tq/power heading to the front wheels in auto mode.
Not sure if it's the same on the LZ0, but with the LM2 the exhaust brake doesn't work unless you have TH on AND cruise set, otherwise it just grade shifts without using the exhaust brake, I pull a 7k lb TT about 7 times a year through the rockies and with TH and cruise set it rarely goes 2 mph over what I have the cruise set at when I'm going downhill
What kind of diesel are you using? I’m hearing horror stories about water in diesel and some dealers not honoring warranty claiming it’s the type of diesel used at gas station. I’m seeing nothing but renewable diesel or B20 in my area. No top tier diesel.
Sinclair or Shell for diesel fuel.
quit talking and let us hear the engine. much of what you say isn't important
What engine noise? There’s nothing to talk about there.
All of this doesn`t matter, when the truck is out of commission because GM CAN`T provide the coolant flow valve for 3+months UNDER WARRANTY. Probably hundreds of duramax 3,0 engines.
My dealer has 11 on order over 3 months! The truck has P1006 trouble code and blows the fan at full speed. AND THEY DON`T care!
We don`t have the parts, because the maker is out of business. They are closed! ....Why? BECAUSE THEY MADE A SH PARTS!!! THEY DON`T CARE!
Sales guy picked one up and on the way home he joint the club! Research it! ON EBAY HAS A FEW FOR $1000+! UNDER WARRANTY!??? 7 hours book time!!!
STAY AWAY!
Thank you Tim. Great info. I thought the DEF tank was 5.0 gallons?! The iDash will give you DEF tank % (as well as fuel tank %). I wonder if Banks offers a way to tweak the exhaust brake? Compared to the 2500 series exhaust brake, the 1500 exhaust brake isn’t very helpful. There are a variety of factors influence the degree of squat, as noted by other comments…but the components of the Max Trailering Pkg definitely help this truck perform more like a 3/4 ton vs. a 1/2 ton, IMO.
I've been looking forward to this video since you first got this truck!!!! 1 minute in I already liked it.
Do your research good before you buy one of these. Ask a good honest mechanic. They will tell you to run, run fast and dont look back. Pos money pit
Talked to 8 diesel mechanics, and they all said to get it, it's a great motor. What pos mechanics are you talking to?
@@seangodfrey2224 well. I take it from your comment you own one.
I have my sources. Wait another year until all the problems start to surface. Enjoy you diesel
Great video. Thank you for all that input. I do have a question hoping you could answer. Does anyone know what normal range transmission temperature is when fully warmed up (not towing). I have the exact same model. I live in south Florida (pretty flat). I do have the 373 gear. My transmission usually averages around 194-196. When I tow my boat (6000 pounds) it climbs here and there depending on driving conditions but I have never seen it above 205. Are all these numbers within range?
DEF kills reliability.
Last failure was a DEF pump. The DEF crystallizes and clogs the injection system.
The truck looked pretty level with the trailer. Most reviewers measure at the centerline of the rear axle but that's fine, we see what it looked like with the trailer. I don't see a problem with that setup. Nice truck. I wish GM would allow more trim levels to get the max tow package and 2-speed transfer case with the 3.0 Duramax.
It's weird how different American trailers are built compared to European trailers. European trailers have the axles more to the middle and recommended tongue weight is about 75kg. This causes very little squat and no issues with the headlights of the car blinding oncoming traffic.
I currently am getting a Silverado with the 3.0 duramax in it actually this week. I came from a little Toyota Tacoma with a 2.7 4 banger and I indeed needed to go to the semi lane on the high ways haha
Tim I think your mileage would improve if you weren't using cruise control, I usually get 1 tl 2 mpg better when towing without cruise. I ha a 2021 lm2 , rst and have towed over 12000 miles averaging 11 TO 12.5 mpg, towing travel trailer weighing 7800 lbs.
Tim on that corner turn using exhaust break
I always tapped my brake and kicked in the exhaust brake and it kicked in and stayed on a exhaust brake mode . Idk it always worked for me. I’m in the market for the 3.0 LZO VERY SOON !
I never feel the exhaust brake on my 2021 LM2... I wish it was more aggressive..
2013 F150 ecoboost: Made oil, stunk like fuel especially in winter. Oil level would go up to the point where it would make a froth and contaminated.
2016 Ram 1500 Ecodiesel: Would burn about a quart in 10k miles. Would be at the bottom of the range come oil change time, but not low.
2018 Ram 1500 Hemi: Oil level never changes levels, do about 6k mile oil changes. Change it and forget about it.
On a recent 2,000 mile trip I used 2 quarts of oil. This was highway traveling with no load and no towing. Currently undergoing an oil consumption test with the dealer. I love the truck and the LM2, but that's way too much consumption to be called "normal".
Wow! On my 2022 GMC with LM2 I have not detected any oil consumption issues so far at 15K miles.
I got another request, what’s the tongue weight.
My 2021 1500 gmc seems to be stronger then my buddy’s Chevrolet like he squatted badly with not much of load.
My gmc would take 1500 lbs on the hitch and it was handling it very well.
Both trucks were 3.0 Duramax
GM still have Isuzu's shares? Put a diesel Isuzu engine on everything and you will be good. forever
If ya level it out it will make big difference in steer tire wear,also ya can go to truck stop and get def from pump alot cheaper
I was listening to your video last night on my way home from my dads house. I did 164 miles of rural driving along with highway up and down mountains of central Pa 21 mpg on my 22 GMC limited 5.3. Trans temp 144. And seats were comfortable lol. Only thing I don’t like my rancho shocks I believe it could be a little stiffer at times don’t care for how they handle the bumps.
I got 5500 miles before I added DEF 2024 3.0 l duramax
Bought one of them 3 litre diesels in January had it for 3 weeks it’s been sitting in the shop since
What is the cause
Thanks for the great video - been waiting for this for sometime. Everything was pretty much what I expected. I have to say that I found the mpg a bit disappointing at around 10.5-11.5 towing 7K load. I say that in comparing to my current 5.7L Ice that gets about 9-10 mpg towing 6500 Ibs. which probably means I would get about 11 mpg on a Tahoe with 3.0L. I was hoping to see around 13-14 mpg in your test since the Truck tend to get a couple of mpg better than the SUV’s. I cancelled my 2023 Tahoe order with LM2 and will be placing an order for the 2024 with LZ0. Like your experience, I have also heard many comments that the exhaust breaking under tow-haul mode really does not contribute much at all or not as much as people like. Maybe GM can address that???
He towed basically on a big hill the whole time. Normal driving the mpgs will be around 13-14 I bet. There are other videos here on TH-cam showing those results.
Your mpg will be determined on the part of country you live and travel in, the direction of travel, I get the best mpg going due east with the wind pushing from behind most of the time, heading east mpg will always lesson driving into the wind.. meaning you could possibly get to your goals..
if my guess work still holds water, the reason it does so well with the regen thing, its probably because of the higher combustion temperature its achieving is plumeting the soot levels from the exhaust but increasing NOx (PM (soot) and NOx work at an inverse from one another, cold combustion temps/too much fuel = +PM & -NOx while high combustion temperatures/leaner fuel = -PM but +NOx) and thats why this engine has high DEF usage while towing, in my opinion if this can avoid even 50% of the common DPF problems im all in for it really, it will be a few extra bucks in running costs but no down time associated to filter problems...
The thing GM did with this engine was to move the DPF as close to the exhaust manifold as possibly. So pulling a heavy load causes enough heat in the DPF to actually burn a lot of the soot. It’s a great idea that decreases regens. All other trucks where the DPF is under the truck will regen more often when towing because the DPF is to far away from the hot exhaust manifold. Also GM is purposely using more DEF so they don’t have to use as much EGR. Yes more DEF will be used but not as much soot will be in the intake. This is also a great idea.
@@robm3357 personally i believe GM engineers tried to prevent many of the common issues currently plagging all diesel engines with this one at the expense of cost and complexity
im truly interested and keeping a very close eye to how it fairs as these engines age, while i cant actually afford one yet lmao
Hey Tim looks like you weight distribution hitch set up need some work. A properly set up weight distribution hitch should reduce your squat by about half.
I find it odd that’s the takeaway from this video. It sank a bit more than normal, but not that much. Yeah. I played with a few setups and this is what I got.
@Pickup Truck Plus SUV Talk Tim you shouldn't have more than 1 to 1.5 inches of squat with the weight distribution hitch properly pre-loaded.
@@terrencejones9817 again, I find it odd out of a 28 min video that’s your key issue.
@Pickup Truck Plus SUV Talk Much of the video was fairly standard towing tests. Properly setting up a weight distribution hitch is a big deal. Without it being set up correctly, you could be exceeding the tongue weight, these GM trucks max tongue weight is actually 600lbs without weight distribution, key to that is weight distribution set up correctly. You can also have excess sway without the hitch being correctly set up
I will mention the GM exhaust brake only gets aggressive after you tap the brake pedal. That might change your opinion on how it functions.
@@terrencejones9817 BTW, I did hit the brake aggressively on the descent on the second climb. That's when I talked about it, when I was braking.
The manual tells you that each DEF bar equals 1/2 gallon, so the gauge only accounts for approximately 4 out of the total 5.4 gallon capacity. I say approximately because they do and they say you’ve used 4 gallons when the last bar is still there, but based on the 1/2 per bar, it should be 4 gallons left as soon as the last bar goes out.
Great presentation, informative, straight forward, no information overload. A couple more trailer tow comparisons with some of the competitors trucks would be great.
Thanks and you asked, you shall receive! Here’s a similar test with a V8, turbo V6, hybrid and the prior gen Duramax: Diesel, Hybrid, V8 or V6 for towing? Full-Size Truck Towing Comparison
th-cam.com/video/D7E0xA8SFYY/w-d-xo.html
Tim, glad to see you using that IDASH gauge. My 2023 GMC SIERRA SLT with the LZ0 (3.23 rear end) used 2 1/2 gallons of DEF in 2600 miles (no towing). My REGEN intervals according to my IDASH have been; 276, 360, 396, and 501 miles and the REGEN time is about 12 minutes at highway speed. I did my oil change at about 2900 miles and didn’t see any oil usage. You lifted your truck so the squat will be accentuated. My fuel economy over the first 3000 miles is about 27 mpg. I sure wish that GM would have included a screen on the DIC that shows regen information. Great video BTW.
Fyi this truck isn’t lifted. It’s stock. You are thinking of the Tundra.
@@Pickuptrucktalk OOPS, my bad.
I have never seen anyone use a tape measure on a dipstick. Lol
Why are you not using equalizer bars on the trailer hitch, that would eliminate squat? Just wondering. Good test very informative. Thanks
Yes equalizer bars were used.
I have the same max tow truck in a GMC 1500 SLT. Tow a 5600 lb dry travel trailer...I put on some blue sumo springs and it helped with the overall ride quality and fixed the sag as well. 100% would recommend for anyone pulling a travel trailer with this setup. Much easier than air bags.
Going over rough concrete paved roads, we were getting some porpoising front to back. Sumo springs got it back where it needs to be.
What is your payload with the max trailering package and the 3.0? I was trying to spec one out but no one had an answer. Thanks
Payload is 1,576 lbs.
Tow mirrors are available for this truck from GM
Hey Tim- on a non-related subject, have you heard that we could be damaging our turbo by not allowing our diesel engine to idle for a few minutes before shutting it off? I recently read an article that suggested it could be bad for the turbo to allow it to heat sink.
Any thoughts on this, or maybe a subject that you would like to discuss in a future video.
Thanks, Chevbowtie (Chevymike )
That’s thinking from 15 years ago. New trucks won’t let you turn them off completely if the turbos are scorching hot.
If you were purchasing a new 1500 today , which engine would you get ?
This one. The 3.0L Duramax.
I'm looking into purchasing a 2024 lt trail boss with the 3.0 LZO. My question is with your experience with this engine, would you buy another truck with the same engine again? Also would you recommend it to anyone?
Yes and yes.
@Pickuptrucktalk thanks and thanks! Keep pushing out the great content 👍! Have a great afternoon.
I’d like too see towing tests between the 2 different rear diffs available. I’d imagine the 3.23 does better normally driving mpg but the 3.73 probably gets better mpg towing
I’ve been asking. There are none available and dealers don’t love me towing with their trucks.
I agree I’d like to see the full comparison and 0-60 differences etc
@@craigensalvador4483 I've asked GM and they have no trucks with a 3.23 in the press fleet. I'd have to find a really welcoming dealer to do any sort of test on the differences.
Dry weight is listed on the driver side of the a-frame on the trailer
How do you turn on the tow mode with the duramax 3.0? All I get when I push the button is exhaust brake mode.
Check the manual. As soon as you connect a trailer, it automatically turns on tow mode.
If you wear gloves to fill up your truck, you should be driving an f150
Huh?
As always thanks for the video. I'd be curious how much your gas mileage would improve over a longer distance on semi flat roads. I get about 10 miles per gallon on my GMC Savana 1500 with a 5.3 and 3.42 gears towing around 5000 lbs. I know it's not a fair comparison considering you are towing 7000 lbs. The Silverado is on my short list but trying to find one with 3.73 gears is difficult at best. My 5.3 is a dog going up any semi steep incline.
I’m towing a car next week to the other end of Colorado. That’s going to be a real good test and video.
LOVE IT LOVE IT LOVE…great video Tim
Do you use fuel treatment and if so what do you use or recommend
Nothing right now. I need to and will probably go with Power Service.
There is an excellent article written by Arlen Spicer entitled “Diesel Fuel Lubricity Additives: Study Results, written in August 2007. Just google it. They tested like 15 additives and OPTILUBE far outperformed the rest. It’s really worth a read if you want to know about diesel additives besides what’s really hearsay.
Tim, you should read an excellent article written by Arlen Spicer entitled “Diesel Fuel Lubricity Additives: Study Results, written in August 2007. Just google it. They tested like 15 diesel additives and OPTILUBE outperformed all the others by a significant margin. It’s well worth your time and you might suggest it to your audience.
You can set the idash to show transmission gear and you can display DEF fluid level and it will give you the real percentage. Also when you go to L on the shifter the truck shifts down one gear, at least that's my experience in my 23 AT4 LZ0.
Strictly from the p.o.v. of reliabelity who's more reliabel a: Chevrolet Silverado 1500 LT Trail Boss or the Toyota Hilux GR Sport 2.8l. Diesel?!
It should do all of that as it’s NEW 🙃
I like to keep my 6.6L limited to 7th or 8th when towing. I don’t like the transmission hunting in the 7-10 going up and down hills. It also seems to help the engine braking also. Never driven a 3.0L so I have no idea if this is something that would make a difference or not. Let me know. I am considering a 3.0L GMC SUV; do you have any experience with the big SUVs with the 3.0L?
They just released the new 3.0L LZ0 for GM SUVS and have just started building them. I assume it is about the same performance in the truck as it is in the SUVs.
I have a 2015 RAM Ecodiesel. I get 30mpg at 60mph. I get 34mpg at 55mph. I get 28 at 65 and 26mpg at 70. When I towed a 6000 boat and trailer 900 miles, I got 19 mpg. Please know I have a very soft foot. When I saw the oil temp going up going up a hill, I slowed to 40mph and the oil stayed under 220 degrees. One thing I will never do again is floor that engine. Thank God it was in warranty or it would have cost me $14,000.
Absolutely THE best power plant in any SUV or Truck! Such a quiet and smooth engine with amazing low end torque and THE best mpgs of any trucks!
@@thedude7315 hey dude, you obviously have lumped this diesel engine in with all the older designs. I drive mine 7 miles to and from work every single day for two years and haven’t had one single issue. Not even one check engine light. This engine was engineered and it’s not like all the other diesel engines as far as the EGR and DPF. it uses a post-DPFEGR system
Why does GM rate the conventional towing as 13K lbs and the gooseneck is only 8400 lbs. Is it because of Axle and or ratio ? The rear suspension? Thank you
Gah! Don't show folks the pretty side of Nebraska! Nothing to see here. Best to stay away...But seriously, I just put in an order for a 3.0 LT after driving my '14 5.3L gas for 6 years. I think it will be quite an upgrade. Thanks for the video.
Give me 40 acres and I'll turn this thing around. There's an old song that knows your pain. Do they same with a 2500 HD with a 6.6 gas and compare the mpg.
3.0 diesel was the #1 traded in truck in 2021 and 22, followed by the f150 powerboost
Where did you get that information from?
I can tell you not many were made because the 3.0 was on constraint for much of that time. Add in lots of options were missing because of supply chain issues. Had a 2022 on order in Nov of 21. It was never built. Put the low production numbers and that you could trade a used one in for more than you paid for it and I could believe that stat. Also some significant improvements on the 23. Biggest one being doubling the oil pump belt replacement interval.
" I don't like to go too fast when i'm towing..."
The more one learns about mass and momentum...the slower ( safer ) one will drive. ☆
Regarding oil useage. My truck has 4500 total miles. 1990 miles of that was towing a 6 to 7K enclosed car trailer on several different trips. I just added 1 qt today. FYI the oil is not available in WalMart or most parts stores yet so if you are going on a trip stop at the dealer and bring a qt with. Computer says I have 42% oil life left. GM covers first oil change and my dealer does the next 2 as part of the purchase. So I bought a case of the DexosD to have to top off between changes.
Never thought I’d see it again but diesel just went cheaper then regular unleaded right now at where I live her in North Carolina. Like 3.37 a gallon I think it was.
Nice! It is about the same as mid-grade now here in Michigan. Just makes owning these trucks that much better!
Same here in so cal.
Cant find one with max towing package will I be disappointed without it? Towing up to 6000 pounds.
Like Play said, it is nice to have, but not necessarily.
I don’t think the max tow will matter at 6k, you have a 10 speed tranny so it isn’t as critical to have the lower axle gears.
Tim how does the new LZ0 compare to the 5.3 and 6.2 as for power and passing ability on the highway? I’m considering trading my ram rebel for a at4x diesel when order banks are available for 24’ model
Thank you sir for the video, I have the same size engine and wondering what was the size of the trailer?
28' if I recall correctly. I borrowed it.
@@Pickuptrucktalk thank you sir, actually your information has helped me to settle on a 28 ft travel trailer
I had to stop watching after saying GM puts a sticker with GVWR and then that squat is a personal preference.
What is mpg with ppe intercooler, air intake, exhaust and banks remap get in mpg in 3.0 Diesel
I really think you got a standardize the cruising speed when you do these tests. Everything else is so scientific. Just one man's opinion
I’d recommend watching TFL towing tests to up your measurement game a whole lot
Diesel makes the best Cologne, you know, the woman is serious if she hangs around you!
How did you activate Tow/Haul Mode?
Press the tow/haul button on the dial on the far left. It looks like a trailer.
Great video, Tim!
Is the same 3.0 in a tahoe or yukon??
New Tahoe, not Yukon.
I just looked at both Chevy ANd GMC both are using the old engines, I was about to buy a 3.0 Diesel Tahoe. Glad I did not!!
@@dgvette1 what years?
@@Pickuptrucktalk 2024
@@dgvette1 those are older. The 2025 Tahoe has the new diesel.
SO Many Great Changes! 2025 Chevy Suburban, Chevy Tahoe Big Improvement
th-cam.com/video/EnzzpeZ6QNs/w-d-xo.html
I have to chime in. I purchased a BRAND NEW GMC Sierra with the 3.0 Duramax. Im not happy!!!I just towed a 2022 Rockwood Mini-lite from Omaha to Milwaukee. Here is my experience.
1. The trip was 500 miles, we used 3.75 gallons of def fluid, 46 gallons of diesel fuel and 1 qt of oil? This 500 mile trip cost about $200 or about $.39 per mile. If I had my old Ford F150 3,.5 Ecoboost using regular gas the I would be at about $.30 per mile. How does diesel make sense.
2. Plus! pulling that 22' camper around gas stations looking for the 1 or 2 pumps that have diesel fuel was a pain. The big stations cater almost exclusively to semis and the pumps do not fit the GMC. One fuel Stop I had to goto to 3 gas stations to find 1 with an operation diesel pump, don't know why but again a serious PIA.
3. Between low fuel warnings and Low DEF warnings, I decided this Sierra with only 1,400 miles HAS TO GO. I will take the loss and either get a Sierra with the 6.2 or go back to the 3.5 Eco.
MY ADVICE, stay away from the Duramax. I do have a diesel jeep and its way more efficient.
Should measure squat at the wheel wells
Also if you're using the weight distribution hitch correctly, the front wheel wells should be within a half inch of unloaded.
Isn't grade shifting and the exhaust brake supposed to kick in when you set a speed point? They generally maintain the speeds once you apply the brake.
Are you sure you have max tow and not regular tow? Those payload and gooseneck ratings sounds more like the normal tow ratings. Max tow payload should be like 2000lbs
Positive. It says so on the sales sticker plus I have the trailer brake controller only found on max tow.
I think for that kind of mileage I will stick with my f150 super crew v8 with the 355 axle. Gas is cheaper and I average 9 miles to a gallon towing a camper that weighs over 5500 lbs.. thanks for the great video. Keep up the good work.
Hey Tim. Quick question. I’m looking into getting the sierra 1500 duramax. My dealer has a new 22.5 at4 which I’m pretty sure is an lm2 even tho it’s the updated truck. My question is. Is the differences between the lz0 and lm2 worth it? If I were to get a lz0 it would probably be a lesser trim like the elevation. I think being that it’s last years model I could get a better deal. Not to mention gmc is offering 0.9 % on 2022s.
I drove both and opted for the 22.5 for the same reason. If I towed all the time maybe the extra HP would be worth the extra money or lower trim, but it wasn’t for me.