I'm Impressed. How do you get that mileage? I had an 05 Chevy Reg Colorado 3.5 4x4 and averaged 18 mpg. I now have an 06 GMC Crew Cab Canyon Z71 3.5 4x4 and I also average 18 mpg.I'm getting 22-25 highway.
Same here...24 most of the time, with some city driving mixed in for good measure. But I have the 4 cylinder automatic...no z71.I'm getting 22-25 highway.