Boasts 23 Highway MPG and 16 City MPG! This Chevrolet Traverse delivers a Gas V6 3.6L/220 engine powering this Automatic transmission. WHEELS, 4 - 18 X 7.5 (45.7 CM X 19.1 CM) ALUMINUM (STD), TRANSMISSION, 6-SPEED AUTOMATIC, ELECTRONICALLY CONTROLLED WITH OVERDRIVE... via CarSoup