15.5 MPG - 1995 4-dr, 4.0L, AX-15, 3.55, 6", 35" MTRs, etc.
21 MPG - when stock with 3.07 and 225/75R15
FWIW, I always fill the tank every time I get gas and write down the current mileage on the receipt. At home, I enter the info into a spreadsheet which is setup to calculate the mileage...