Avalanche/Suburban 2500 with 8.1 towing mpg
Anyone who has one or had one, please chime in as to what kind of mpg you got while towing. I hate the idea of having 496 CI, but I'm planning to sell my 03 Suburban 1500 Z71 and am looking for an Ex...
Forum Discussion
I think the Avalanche 2500 only came with the 8.1 so you can probably drop that one from your list if you are looking for the 6.0. As for fuel economy with the 8.1....expect 8 to 14. As for towing ability, expect one of the best gas powered setups available. It is hard to get both out of a gasoline engine. Good luck with your decision!
