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Chevy Silverado and GMC Sierra Duramax Fuel Mileage

506 messages,  Last post on Nov 30, 2009 at 5:21 PM

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What is this discussion about? Chevrolet Silverado 2500HD, Chevrolet Silverado 3500, GMC Sierra 2500HD, GMC Sierra 3500, Diesel, Fuel Efficiency (MPG), Truck

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#150 of 506 2005 Duramax- Can't get over 10mpg by farmertull Jan 02, 2006 (6:40 pm)
I have 3500 miles on this regular cab that has the Allison. I am a very conservative driver and have always gotten better than average mpg. It runs great but its getting the same mileage as my old 454 but the fuel is higher priced. Replies to this message: donwy (Jan 03, 2006 10:50 pm) lmoore1 (Feb 02, 2006 2:42 pm)
#151 of 506 Re: 2005 Duramax- Can't get over 10mpg [farmertull] by donwy Jan 03, 2006 (10:50 pm)
Replying to: farmertull (Jan 02, 2006 6:40 pm) I have a 2005 crew cab 3/4 ton HD with the Duramax and about 2400 miles on it. Living in Northern Canada, the temperature is cold this time of year but I am still getting 13.8 mpg (US gal.)on winter fuel when doing all city driving in heavy traffic and about 17 mpg on the highway with two passengers and no load. Sounds like you have a problem. Replies to this message: lmoore1 (Feb 02, 2006 2:42 pm)
#153 of 506 Fuel Mileage Increase using additives by clongwell Jan 06, 2006 (3:41 pm)
I would hope people realize the clever marketing behind all of those outrageous claims of increased fuel mileage from these fuel additives.   The last two links were two products that claim alot. Both sites spend as much time trying to get you to sell their product than use it. Come on people...putting a giant pill in your gas tank. Are you kidding me! The last one is talking about CNBC World Business Review with Alexander Haig. It is well known that production costs for WBR are paid for by the company that wants there product on air. Please save your money.   You want to save gas...drive down the freeway at 55mph and don't show off your trucks power at every intersection.   Smoke and Mirrors...Smoke and Mirrors. Replies to this message: smartmpg (Jan 21, 2006 7:03 am)
#154 of 506 Re: Fuel Mileage Increase with Magic Pill [smartmpg] by kcram HOST Jan 09, 2006 (7:33 pm)
Please do not post phone numbers or any other contact information... this is against the rules, and opens you up for abuse as well.   kcram - Pickups Host
#155 of 506 Uneven tire wear by almonte Jan 15, 2006 (9:02 am)
Help! 003 chevy 1 ton diesel dually - inside edge of inboard back tires are getting scalloped edge. ALL other tires are fine!   Whats going on?!!!! Replies to this message: kcram (Jan 16, 2006 6:59 pm)
#156 of 506 Re: Uneven tire wear [almonte] by kcram HOST Jan 16, 2006 (6:59 pm)
Replying to: almonte (Jan 15, 2006 9:02 am) You want to post that question in the Chevy Silverado: Problems & Solutions discussion for better response.   kcram - Pickups Host
#157 of 506 Poor mileage by sbeach1 Jan 18, 2006 (7:44 am)
Replying to: ezshift5 (Dec 15, 2005 11:02 am) I have a 2005 2500HD with the duramax. I have 11000 miles on the engine. I recently pulled a 3000lb equipment trailer 440 miles and my mileage dropped to 9 mpg. The local dealer told me it could be the fuel filter. I need some help! Replies to this message: fredk2 (Jan 18, 2006 6:16 pm)
#158 of 506 Re: Poor mileage [sbeach1] by fredk2 Jan 18, 2006 (6:16 pm)
Replying to: sbeach1 (Jan 18, 2006 7:44 am) Did you look at your air filter gauge. Try a different fuel station.
#159 of 506 2006 2500hd duramax 6sp auto fuel mpg by fredk2 Jan 18, 2006 (6:35 pm)
I have just purchased a gmc extra cab 6ft bed 4x4 with the duramax and the auto trans 6 speed. and I check all fuel mpg on every truck I drive soon as I get fuel reset trip this truck gets 15.80 mpg I was told by people I see with same Truck they got around 20 mpg have to see if it will get better it only has 360mi right now and maybe has winter fuel. If anyone get better mpg please post and let us no spec. 2wheel or 4x4 3500 or 2500 thanks. Replies to this message: clow123 (Feb 02, 2006 9:22 am)

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