Scores 18 Highway MPG and 15 City MPG! This GMC Sierra 1500 delivers a Gas V8 5.3L/ engine powering this Automatic transmission. WHEELS, 20 X 9 (50.8 CM X 22.9 CM) 6-SPOKE HIGH GLOSS BLACK PAINTED ALUMINUM (STD), TRANSMISSION, 10-SPEED AUTOMATIC, (COLUMN SHIFTER) ELECTRONICALLY CONTROLLED with overdrive and tow/haul mode. Includes Cruise Grade Braking and Powertrain Grade Braking, TIRES, 275/60R20 ALL-SEASON, BLACKWALL (STD).* This GMC Sierra 1500 Features the Following Options *SEATS, FRONT 40/20/40 SPLIT-BENCH with covered armrest storage and under-seat storage (lockable) (STD), REAR AXLE, 3.23 RATIO, ONYX BLACK, LPO, BLACK TUBULAR ASSIST STEPS, 4 ROUND (dealer-installed), LPO, ALL-WEATHER FLOOR LINER, 1ST AND 2ND ROWS (dealer-installed), LICENSE PLATE KIT, FRONT, JET BLACK, CLOTH SEAT TRIM, GVWR, 7100 LBS. (3221 KG), ENGINE, 5.3L ECOTEC3 V8 (355 hp 265 kW @ 5600 rpm, 383 lb-ft of torque 518 Nm @ 4100 rpm); featuring Dynamic Fuel Management, ELEVATION PREFERRED EQUIPMENT GROUP includes standard equipment.