Scores 22 Highway MPG and 16 City MPG! This Chevrolet Silverado 1500 boasts a Gas V8 5.3L/325 engine powering this Automatic transmission. WHEELS, 18" X 8.5" (45.7 CM X 21.6 CM) BRIGHT-MACHINED ALUMINUM, WHEEL, FULL-SIZE SPARE, 17" (43.2 CM) STEEL,...