I believe these tires are too soft of a compound for this heavy suv. I will admit I have not rotated them every 5k as I have brought it to the dealer for the free two year maintence which is about every 7,500. The tires are wearing terribly on the outer edges. I have one more rotation and then all four will need replacement. The most I will get out of these is 25-27k miles. I have seen no mileage improvement. In fact my last suburban had 22 inch tires with oem bridgestones and I got better mileage then this truck with 18's. My next purchase will be either Bridgestone or Michelins for a few extra bucks. The point of leasing is not putting any money into the truck. This is my first Yukon or suburban I will need to replace the tires before the lease is up.