Delivers 21 Highway MPG and 15 City MPG! This GMC Yukon boasts a Gas/Ethanol V8 5.3L/323 engine powering this Automatic transmission. WHEELS, 4 - 20 X 8.5 (50.8 CM X 21.6 CM) CHROME CLAD, TRANSMISSION, 6-SPEED AUTOMATIC, ELECTRONICALLY CONTROLLED, TI...