M/T's are a heavier tire. That makes a big difference. I had 31" MTR's and when I put 31" TSL's on my Jeep my gas mileage dropped a lot. I can tell when I am driving and accelerating that the weight of the tire makes a big difference.
*1998 Ram 2500 V10
Originally Posted by snocross2xtremes
Mine is just sloppy