Chevy Duramax Fuel mileage
I am looking for an honest answer from actual campers. I am considering buying a used 2005-2008 Chevy 2500 w/Duramax with a Alison Tranny to tow a 10,000 - 11,000 Fifth Wheel. Those of you that have a...
Forum Discussion
hoopers wrote:
This according to my DIC computer.
2009 duramax, extended cab SRW 4x4. Not-towing: 18-20 mpg on the hwy, going about 75. Towing: about 12 -14 mpg going 65 mph. I towed a 11000 lb fifth wheel.
2011 duramax, crew cab DRW 4x4: not-towing: 16-17 mpg on the hwy, going about 75. Towing: 11.9 mpg, towing about 64 mph. I tow a 14000 lb fifth wheel.
I have a 2011 Duramax, crew, SRW,towing a 14k lb fiver, and get about the same as you. A lot of mileage claims are very suspect. Same as bragging about the size of some things........feet for instance.
