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5.3 FLEX Fuel Owners...city MPG We've had the Yukon for about a month now and finally figured the MPG on a full tank of E85 @ $2.97/gallon We have the 5.3L flex fuel, 4WD Yukon with 3.73 gears, and with 90-95% city driving, (I work from home so we rarely drive on the HWY) we got 215 miles...

Just saying hello, and introducing the Yukon. As with most other newbies, the deal we got on our 03 Yukon SLT was very good. Since I work from home and my wife stays home with our son, the gas mileage is of no real concern It was under 12k for the 4WD SLT (5.3 flex fuel) with every option but...