2024 Z71 mpg .. can it be this bad?

[jd08]

Our 6.2L Z71 averages 17-18 mpg city/back road driving. 21-22 on the freeway.

My wife can get better MPG then me!! I like using the skinny pedal to much!!

 

[djnice]

Our 6.2L Z71 averages 17-18 mpg city/back road driving. 21-22 on the freeway.

My wife can get better MPG then me!! I like using the skinny pedal to much!!

For comparison, what are your typical speeds for backroad and freeway?