What gas mileage are we getting on the 21s?

[xycrazy]

Any further updates from you guys on mileage?

 

[SlimIm17]

'21 Z71 5.3
I accelerate slow and coast a lot. Good mix of local trips and highway. Have 13,000 miles and the computer says I still have 90% life on the front pads and 94% life on the rears.

 

[R32driver]

17.5 average over 10k miles
5.3 yukon xl 4x4

 

[Norm 427]

2021 SLT 5.3 16k miles = 18.8 mpg since new