My 06 LJ unlimited Rubi weighs 5300 lbs with ProR 60/ PR 44, 37's, winch, bumpers, armor and recovery gear, add extra lbs when myself and wife hit the road, with 5.38 gears it does great puling a AT Chaser trailer, and I get around 14.5 mpg that is not too bad. Upgrading the axles added more...