Ward's 10 Best Engines and Propulsion Systems. Scores 21 Highway MPG and 16 City MPG! This GMC Sierra 1500 delivers a Gas V6 4.3L/262 engine powering this Automatic transmission. WORK TRUCK PREFERRED EQUIPMENT GROUP, WHEELS, 17 X 8 (43.2 CM X 20.3 CM) PAINTED STEEL, SILVER, TRANSMISSION, 6-SPEED AUTOMATIC, ELECTRONICALLY CONTROLLED.*This GMC Sierra 1500 Comes Equipped with These Options *TIRES, 255/70R17 ALL-SEASON, BLACKWALL, SUMMIT WHITE, SEATS, FRONT 40/20/40 SPLIT-BENCH., REAR AXLE, 3.42 RATIO, PICKUP BED, JET BLACK, CLOTH SEAT TRIM., ENGINE, 4.3L ECOTEC3 V6 WITH ACTIVE FUEL MANAGEMENT, AUDIO SYSTEM, GMC INFOTAINMENT SYSTEM WITH 7 DIAGONAL COLOR TOUCH-SCREEN, AM/FM STEREO, Windows, manual (Standard on Regular Cab model. Crew Cab and Double Cab models have power windows standard.), Wheels, 17 x 8 (43.2 cm x 20.3 cm) painted steel, Silver.* Stop By Today *Treat yourself- stop by Henry Brown Buick GMC located at 1500 E Drivers Way, Gilbert, AZ 85297 to make this car yours today!. HENRY BROWN BUICK GMC at the San Tan AutoPlex in Gilbert Az. Henry always carrys the best selection, lower prices and will always give you more for your trade. So before you make that final purchase decision be sure to call Rob Upchurch in our Digital Sales Department. Toll Free at 866-237-8533. More