I have a 1995 3.0 v6. I only get about 15 mi to the gal. RPMs kind of high on the interstate right now cuz of the small tires. The RPMs should go down when I get the other tires. Maybe then I'll get a little more mi to the gal. Needles to say I was shocked at the terrible gas mi. The 3.0 seems to run much better and get better gas mi on high octane fuel.