Originally Posted by mybowtie
07 Dmax...20 hwy..15 around town towing 16' trailer...
Just picked up a '01 chevy 1 ton dump w/6.0...Hope i get better then the OP's 6.6mpg
You can probably expect 9-10 mpg towing. The OP said that his truck is lifted, and I assume that it has bigger tires on it too.