GM 6.2 Liter
I'm considering ordering a new GMC Sierra 1500 with the max tow package. It would be a crew cab short box SLT trim. I can either get the 5.3 or the 6.2 liter. Both have the 8 speed transmission. I...
Forum Discussion
I have a 2011 Yukon xl Denali with 6.2 and run reg 87 when driving normal, and Premium when I tow. Engine is a beast.
I had a 5.3 Suburban and it was a slug compared to this SUV and milage is about 2-3 mpg less.
Just my opinion.
I had a 5.3 Suburban and it was a slug compared to this SUV and milage is about 2-3 mpg less.
Just my opinion.
