2015 GMC Yukon XL Denali MPG (6.2L, 8-speed)
We did our first road trip last weekend in our new 2015 GMC Yukon XL Denali with the 6.2L and the new 8-speed transmission. Towed my brother's boat to AZ, no trailer on the return trip. And I was real...
Forum Discussion
We had a 2015 Yukon Denali with 6.2 and 6 spd and got 20 hwy also. Towing a 6x12 enclosed trlr with a motorcycle in it got 15. There were a few things we didnt care for so went back to a Mercedes. We paid 63k and after 6mo got 57k for it, not that what they cost really matters if its what you want and can write the check.
