You may have discovered why the last owner got rid of it! <img src="/forums/images/graemlins/lol.gif" alt="" /> I owned a 91 Wrangler (sold it too my brother), 4.0, 5 spd manual, 3.07 gears with 100k miles on it. I checked the mileage several times. 18-19 around town, 20-21 hwy. It's wearing 30" tires. Two things Jeeps are famous for are poor mileage and wide variations in mpg, I guess it's possible you have a lower gear ratio and that might explain less MPG and if that is the case you might gain mpg by going to taller tires. Other than that all I can think of to suggest is: Get used to it! <img src="/forums/images/graemlins/shiner.gif" alt="" /> <img src="/forums/images/graemlins/cheers.gif" alt="" />