KBB.com Best Resale Value Awards. Scores 22 Highway MPG and 15 City MPG! This Chevrolet Suburban boasts a Gas/Ethanol V8 5.3L/ engine powering this Automatic transmission. WHEELS, 20" X 9" (50.8 CM X 22.9 CM) POLISHED-ALUMINUM, TRANSMISSION, 6-SPEED AUTOMATIC,... via HomeNet, Inc.