KBB.com 10 Most Awarded Brands. 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 (STD), TRANSMISSION, 6-SPEED AUTOMATIC, ELECTRONICALLY CONTROLLED with overdrive and tow/haul mode. Includes Cruise Grade Braking and Powertrain Grade Braking (STD), TRAILER BRAKE CONTROLLER, INTEGRATED.* This Chevrolet Silverado 1500 Features the Following Options *SEATS, FRONT 40/20/40 SPLIT-BENCH, 3-PASSENGER, AVAILABLE IN CLOTH OR LEATHER includes driver and front passenger recline with outboard head restraints and center fold-down armrest with storage. Also includes manually adjustable driver lumbar, lockable storage compartment in seat cushion, and storage pockets. (STD) Includes (AG1) driver 10-way power seat-adjuster with (PCM) LT Convenience Package, (PDA) Texas Edition or (PDU) All Star Edition.) , TIRES, P265/65R18 ALL-TERRAIN, BLACKWALL (STD), THEFT-DETERRENT SYSTEM, UNAUTHORIZED ENTRY, STEERING COLUMN, MANUAL TILT AND TELESCOPING, SILVER ICE METALLIC, SEATING, HEATED DRIVER AND FRONT PASSENGER Only available on Crew Cab and Double Cab models., SEAT ADJUSTER, DRIVER 10-WAY POWER, REMOTE VEHICLE STARTER SYSTEM Includes (UTJ) Theft-deterrent system.), REAR AXLE, 3.42 RATIO, POWER OUTLET, 110-VOLT AC.