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I just bought one 2003 6500pounds I love my but it my 3rd car 11.2 miles gallon drive it 3 times a week

You on Crack? 17mpg😅😅😅😅😂😂😂

what if you chip it or smaller tires

Lol I have direct fit jb a stainless headers no cats 37 inch tires tuner for 91 octane I’m getting 9.0 mpg🤣🤣🤣

Not 8000 pounds. 6400 pounds

You're absolutely right I drive my hummer because I like them I've had been a long long time it's been a real good Is truck But I've been thinking about putting a cat back on it.... I put one on my CTS Cadillac And a Turner .. And a k&n air filter.. Thank you I'm doing a hummer this same way ... Or even if it's worth the expense The Cadillac turned out . Is great.... But if anybody knows if it would make a big difference in my hummer let me know please

My hummer gets almost 15 mpg .

I also find that the radiator fails after a couple years , I read that one guy said he changed his fans to a larger size so now it hv me thinking

I hv a 07 h2 in Trinidad, i I love my hummer , I am just sorry I hv to keep importing my part and hv to wait weeks

I own a hummer since 2005, I already replace motor one's after 350 K. and still until today that my hummer is my best vehicle that I ever bought, there is a lot of bad comments on the web about the engine, cost of gas, the worst vehicle ever America have done but honestly this is the same engine that most of Chevy & Gm truck use. so i don't care... I love how I feel driving this little monster...lol

NOTICE!!!! I would however, AND DID, IMMEDIATELY replace your OEM tie rods with KRYPTONITE tie rods. The OEM tie rods are the diameter of a little finger, maybe 5/8ths in diameter. KRYPTONITE DEATH GRIP TIE RODS KRTR10Engineered exclusively for the Extreme demands of today's Heavy Duty Truck. DETAILS:Heat treated chromoly nickel outer studs.Bulletproof, all steel inner ball sockets.Solid 1 1/8" Hexagon steel body.Left and Right hand jam nuts for the ultimate adjustability.In recent laboratory strength tests we applied enough pulling pressure to rip apart the OEM, Aftermarket, and Kryptonite series tie rods. The OEM tie rods fail at 9000 pounds of pressure. The much larger diameter aftermarket tie rods designed to fit lifted suspension trucks, failed at 17000 pounds of pressure. Kryptonite tie rods held up to an incredible 21000 pounds of pressure before pulling apart.(Kryptonite No Fine Print Lifetime warranty)-Kryptonite steering and suspension components are warrantied for life to their original purchaser. This warranty is against any manufacturer defects, premature wear or breakage. Race it, jump it, off road it, sled pull it, wreck it, lift it, level it, lower it, I think you get it? We don’t care. If you can break it we will replace it.All Kryptonite tie rods are pre-greased with Chevron's ultra duty EP2 (Extreme Pressure) grease they should be serviced with this grease at each oil change.

I don't just drive around town in my Hummer H2... It takes me places many never get to see or experience and does so in a manner that makes fuel economy the least of my considerations. I have other cars, I've owned 56 vehicles since I was 15 years-old, but thinking back, I have never enjoyed any of them as much as I have my Hummer H2. Having owned the Hummer H2 13 years, I have owned it longer than any other vehicle. I am 67, my wife 64, we recently took a 2 month, 22 state, 8400 mile road trip around all of the National Parks, Smokey Mountains, Atlantic Ocean, Chesapeake Bay, three days on Cape Hatteras Island between Sept. and November 2020 with my Hummer H2. Prior to that we spent a week exploring New Orleans, Honey Island Swamp searching for and photographing Gators and Boars and a week on Amelia Island, Florida Air Boating where my wife dragged me down a long, dark path at night, water on both sides and signs everywhere, Danger! Alligators! Not a weapon, not a flashlight while wild rabid Monkeys threw branches at us from the canopy above. The Hummer H2 took us everywhere we wanted to go, did so in style and never, NEVER LET US DOWN! Some of the places we go, if the Hummer were to stop working... somebody would die. No cell service, very little resources at all and at times 120 to 125 degree temperatures... in 13 years of owning my Hummer, I have NEVER seen transmission temps above 150 degrees and radiator temps above 200 degrees, virtually always runs at 198 degrees on the coolant, rarely deviates at all. Some of those photos are included in my gallery at dizeman.com Prior to that we spent a week at Star Wars Canyon attempting to watch and photograph military jets flying low-level maneuvers through the canyon, unfortunately, one of them flew nose-first into the canyon wall killing two pilots and injuring seven sight-seers, so that was the end of that. Prior to that, we spent a week exploring Lake Tahoe and Northern Nevada... in fact, we have spent most of our lives exploring dozens of thousands of small towns, hamlets and cities in 47 states in the United States and four foreign nations. WE HAVE DRIVEN OUR 2007 HUMMER H2 to literally thousands of towns, hamlets, cities exploring 47 states in the United States. Every nook and cranny we can find, we explore, more often than not it is the Hummer that makes it possible and provides SHELTER for us when times get tough, there are no camping spots, hotels, motels or lodges to be found. We know we can rely on the Hummer to keep us safe from predators of all species.... well, the Hummer and (3) CCW Permits that allow me to carry concealed legally in 39 states. Security is my first priority! facebook.com/photo?fbid=10222357387757123&set=a.1223078310668 facebook.com/photo?fbid=10221365650524312&set=a.3087181992095 facebook.com/photo?fbid=10221398926516191&set=a.3087181992095 facebook.com/photo?fbid=10221398937116456&set=a.3087181992095 facebook.com/photo?fbid=10220523143782170&set=a.3087181992095 dizeman.com/kong/zombiebadgeh2.jpg PS. What is the Zombie stuff all about? I am a professional photographer, have been for 46 years and way back in April of 2020 I was hoping to mount a machine gun turret to the roof of my Hummer H2 for a SELENE/UNDERWORLD or Lara Croft/TOMB RAIDER themed photo shoot, but Covid shut things down before I could finish the themed photo shoot. Ironically, 8400 miles through 22 states... though dozens of dozens of people had good things to say about the Hummer, a few questions, lots of smiles and thumbs up... not one person asked, "What's in the Body Bag?" (Lounge Chairs!) dizeman.com

Hummers are not for everybody. Neither are 45 foot motorhomes or water skis. This entire thread reminds me of the guy who chains a 36 foot cabin cruiser on the back of his Datsun B80 pickup truck and wonders why people are staring at him. Pick the RIGHT VEHICLE FOR YOUR NEEDS or DESIRES. Don't try to make a Fiat perform like a Hummer, nor a Hummer perform like a Fiat. I like the idea of getting better gas mileage in my Hummer H2, but honestly, to be blunt... I just could not care less! I did not buy the Hummer, because I expected to get 30 miles per gallon, nor 20, even though I have come damn close on several trips on I-10. Understand the rules of inertia, keep your engine working in good order, toss some CHEVRON TECHRON in your tank every 2000 miles and when you can, get the Hummer up to 70 mph... the inertial sweet spot, put the cruise control on and sit back and enjoy the best mileage a 6500 to 7200 pound TRUCK is going to get. If doing so gives you a headache or breaks your bank... GET A FRIGGIN SUBARU! I have one of those too for when I want 30 mpg. But I like the Hummer best of all.

Not factual info

I drive my Hummer on the weekends. I don't worry about gas. Which is why I argued and finally negotiated with my wife. Now she complains about my gas usage. I compromised by using it on the weekends.

Just don't buy it. it's not for those who think about saving on anything.

I love my Hummer H2 and I'm getting ready to get a Hummer h1 next to go with my Hummer H2

I've owned a volt as well as a Nissan Leaf. I now own a 05 H2 and a 14 c7 probably the only hummer owner around who can appreciate a Nissan Leaf as well as a H2 both two different ends of the spectrum

HUMMER AASIF LIKED THIS VIDEO💪💪💪❤❤❤

This video shows no proof of any claims made. How about showing before and after vidoes of the modifications?

I own an H2 Hummer and get 13 mpg in city and 15 mpg in the highway. I haven't added any special air filter. I will do as you commented. I love my H2.

A real Hummer H2 owner, knows how awesome they are... plus it’s obviously not a daily driving vehicle... keep that monster clean and have fun on weekends...

Great vehicle I have one since 2004 won’t buy anything else love it

I like your shoes Where'd you get them.

Have it professionally tuned.

Wanna save gas on a hummer h2? Get a 2008 and newer.

Bought mine brand new back in 03 haven’t regretted it one bit

Why Don;'t you have links to Upgrades??? I don't see a Colder or Coler??? Show Me!!! Duh, Which Programer??? What the funk are You taking about???

I guess I'm different I never care how much mpg I got TMobile Tuesday 10 cent off per gallon at shell station plus additional $0.05 off from shell

How far is that smart car going to get you during a zombie apocalypse? Lol

I have an 07 H2 i love my truck. Have had escalade and navigator and an expedition. There is no comparison

I have chipped, cold air intake and put exhaust on H2's - doesn't really matter - I also have lifted them all so if I can pull 12mpg that's good......don't buy an H2 if you worry about $$$$ - the one I have now is just a weekend, extra vehicle

It's not 8000 pounds it's 6400

Hummers really aren’t that bad on fuel!!! I always get around 16.5mpg on Highway and 13-14 mpg per tank of fuel. Any V-8 4x4 full-size truck, is in that same ballpark!! I sold a 2001 Dodge Ram 1500 4x4 with 33” tires and a 360 V-8 that only averaged 11mpg. And never got above 13mpg on a highway trip. So my H2 SUT is more fuel efficient that most V-8 trucks that were produce all the way through the last decade. So they really only considered bad on fuel if your used to driving a Prius!! For the rest of us MEN who grew up owning Trucks, there’s really no difference.

Choose between a Hummer , pickup truck , Semi , custom made Crawler and Monster truck .... Monster truck .... You only live once ... Might as well just make the best of it and not give a shit what people say or think .

If you are poor, plz don't buy Hummer

The h2 was built by am general not General Motors. The newer h1s and the h2 did use a lot of gm parts though.

Increase tire p.s.i. within recommended manufacturer's parameters. Drive slower. No jack rabbit starts. Take routes where you utilize more right turns than an alternate route. Attempt to maintain a constant speed when driving. No long warm ups. The vehicle warms up quicker when it's in drive. Proper alignment and tire inflation yields less resistance. Change air filter, oil and oil filter, along with transmission fluid, transfer case fluid and front/rear differential fluids for less resistance on components harvesting optimally efficient performance integrated with better petrol mileage.

HUMMER H2: Curb weight: 6,614 lbs

I got H2 and a Discovery 2 they almost the same on gas , I love both of my Dreams trucks

Like my truck 10 to 14

Change to a good synthetic oil.

GM could have saved the Hummer brand by going with a different drivetrain. A vehicle this heavy with such a large engine with only a 4-speed transmission is a formula for gas guzzler anyway. Improved fuel systems and 6-8 speed transmissions is what's saving today's newer pickup trucks. Does a transmission upgrade exist for an H2, such as a 5-speed or 6-speed?

I have the 100% answer to "Save Gas With A Hummer H2. DON'T DRIVE IT.

I traded in my jeep for a h2...and i love it!!!!

In my fucking Italy 🇮🇹 One liter ⛽️ 1.60 euro In H2 120 liter full tank = 190 euro !! And with 4km x lt it will finish very fast !! Fuck Italian government 🖕🏽🖕🏽 Hummer h2 90% here with GPL !!!

Bro the gas in Californian is $5

I look forward to what Vehicle Modders of the Future can do to this G.P. Giant the same way the VW community has done to their Classics. Maybe one day we could have a 25mpg Highway Hummer with little to no Visual Changes at all!

I've had my 2007 Hummer for 13 years and I drive it from Las Vegas where I live to the Atlantic Ocean every year or every other year, so far EIGHT trips. I usually I go EAST on I-40 and return WEST on I-10 one year, then reverse the route the next year. During my trips across country on I-10 which is mostly flat, and usually in June or December, I get 19.2 miles per gallon. On I-40 in the NORTH, which is much more mountainous, I get as high as 15 mpg on the highway in the mountains with the absolute lowest mpg on I-40 being 10.9 mpg during the dead of winter, December and temps as low as 24 degrees. In the SOUTH on I-10 the lowest mpg I ever got was 14 mpg in city traffic crawling through New Orleans in June. On the trip in the video going from Phoenix to Apache Junction on I-10, pretty flat country... I got 17.3 mpg. th-cam.com/video/zoLALesBol4/w-d-xo.html Since my 100,000 mile SERVICE where the Dealership put on new belts, changed all fluids and tuned up the fuel injectors... I am getting the worst gas mileage of the past 11 years. For the past YEAR 2018 - 2019 between 100k and 129k on my ODO, I get 16.5 on the freeway on level ground and 13.5 in the city of Las Vegas and Los Angeles. WORST GAS MILEAGE EVER and only since my 100k scheduled maintenance. I don't know if the dealership made the truck run more RICH or what they did, but my mileage has suffered over the past year. Not a problem, I don't sweat the gas use... the greatest expense of my H2 over the past 11 years is not the fuel costs... My greatest expense has been WASHING THE DAMN TRUCK. At $60 a pop with a $20 tip, washing the truck costs me way more than filling up my tank. I live in the middle of the Mojave Desert, so a good wash job lasts me... ONE WEEK! One day, there was not a cloud in the sky, no reports of rain, so I paid $80 to have a crew wash the Hummer and before I could get out of the parking lot, a HOODOO blew in buried my truck with sand and then before I could drive home, about three miles away... IT RAINED! When I got to my driveway, the truck was covered in MUD. YES! I got a RAINCHECK from the car wash and they washed it again for FREE. BUT, today... having owned the Hummer H2 11 years, first 10 years I got 19.2 miles on the highway, 16 mpg around town, only the last year have I been getting as low as 13.5 mpg in town and 14 - 16.5 mpg on the highway. Second week of August 2019, with the truck fully loaded with suitcases and heavy gear and four fat and fluffy adults and a nine year-old two weeks ago, I got 14.4 mpg on I-15 from Vegas to Los Angeles. Probably the most weight I have ever had in the truck. Oh yeah... I can gain 3 mpg by adding Chevron TECHRON full system cleaner to my fuel. It keeps the fuel injectors clean, every 3000 miles I add a large bottle to my tank. shop.advanceautoparts.com/wcsstore/CVWEB/staticproductimage//N3232/large/7080568_chv_65740_pri_larg.jpg Below... A couple snaps of My 2007 Hummer H2. Every day, someone tells me, "IT LOOKS BRAND NEW!" This photo taken August 8, 2019 after a fresh mobile wash in front of my house. dizeman.com/kong/hummer.washed.small.jpg The irony, I do take it out into the desert quite often. Of the 56 vehicles I have owned since I was 15 years-old, the Corvette I bought when I was 18 and this Hummer have been the two most economical vehicles I have owned. NEITHER required any servicing other than normal scheduled consumables. NEITHER let me down. Neither the Vette, nor the Hummer have ever disappointed me or refused to start. Worst? My Jaguar XJ-6 Vanden Plas. Needed new brakes every six months, pads were way too small for the weight of the car and the pads were not on the rear wheels, they were on the rear differential. $1,600 a pop every six months. Hummer has been a TREAT compared to the Jag. Photo of my Hummer in the desert. Wife not happy with this photo, she is actually in the portable potty/shower/dressing room, how and why I cannot see her in the photo is one of life's mysteries. Desert near Nipton, Cali. dizeman.com/kong/rest.stop1_no.tag.small.jpg Video of Hummer with Kevlar tires installed. th-cam.com/video/J6Vnlb_7FI0/w-d-xo.html Video of Hummer loaded to the roof with camera gear and C-Stands on the front rack, ready for a photo shoot in the desert with friend, Brent, founding member of Faster Pussycat. GRIP TRUCK FOR THE DAY. th-cam.com/video/UMe6zbWu5kQ/w-d-xo.html Anyway... that's my Hummer H2 story. (Jon Dize aka DIZEMAN dizeman.com)

I love my H2!!