KBB.com Brand Image Awards. Boasts 22 Highway MPG and 16 City MPG! This GMC Sierra 1500 boasts a Gas V8 5.3L/325 engine powering this Automatic transmission. WIRELESS CHARGING, WHEELS, 20 X 9 (50.8 CM X 22.9 CM) POLISHED ALUMINUM, UNDERBODY SHIELD, TRANSFER CASE PROTECTION. This GMC Sierra 1500 Features the Following Options SUSPENSION PACKAGE, OFF-ROAD includes Z71 chrome side front fender emblems, monotube Rancho brand shocks and (K47) air cleaner, (JHD) Hill Descent Control, (NZZ) underbody shield, SLT PREMIUM PACKAGE includes (UQA) Bose premium audio system and (RD5) 20 x 9 polished aluminum wheels With Crew Cab model includes (BVQ) 6 rectangular chrome tubular assist steps. With Double Cab model includes (VXH) 6 rectangular chrome tubular assist steps.), TRANSMISSION, 6-SPEED AUTOMATIC, ELECTRONICALLY CONTROLLED with overdrive and tow/haul mode. Includes Cruise Grade Braking and Powertrain Grade Braking (STD), TIRES, P275/55R20 ALL-TERRAIN, BLACKWALL, SLT PREFERRED EQUIPMENT GROUP, SEATS, FRONT FULL-FEATURE LEATHER-APPOINTED BUCKET with (KA1) heated seat cushions and seat backs. Includes 10-way power driver and front passenger seat adjusters, including 2-way power lumbar control, 2-position driver memory, adjustable head restraints, (D07) floor console and storage pockets. (Includes (K4C) wireless charging., SEATING, HEATED AND VENTILATED PERFORATED LEATHER-APPOINTED FRONT BUCKET, REAR AXLE, 3.42 RATIO, PEPPERDUST METALLIC, LPO, WHEEL LOCKS, SET OF 4.