Boasts 27 Highway MPG and 23 City MPG! This GMC Sierra 1500 boasts a Turbocharged Diesel I6 3.0L/ engine powering this Automatic transmission. WHEELS, 20 X 9 (50.8 CM X 22.9 CM) MULTI-DIMENSIONAL POLISHED ALUMINUM (STD), TRANSMISSION, 10-SPEED AUTOMATIC WITH ELECTRONIC PRECISION SHIFT, ELECTRONICALLY CONTROLLED with overdrive, tow/haul mode and steering column paddle shifters. Includes Cruise Grade Braking and Powertrain Grade Braking, TIRES, 275/60R20SL ALL-TERRAIN, BLACKWALL (STD).* This GMC Sierra 1500 Features the Following Options *STEERING COLUMN LOCK, ELECTRICAL (Beginning with start of production through July 31, 2023, vehicles will be forced to include (R7N) Not Equipped with Steering Column Lock, which removes Steering Column Lock. See dealer for details. Vehicles built on or after July 31, 2023 will include (N06) Steering Column Lock.), SEATS, FRONT BUCKET with center console (STD), REAR AXLE, 3.23 RATIO, ONYX BLACK, LPO, WHEEL LOCKS, SET OF 4 (dealer-installed), LICENSE PLATE KIT, FRONT, JET BLACK, FORGE PERFORATED LEATHER SEAT TRIM, GVWR, 7200 LBS. (3266 KG), ENGINE, DURAMAX 3.0L TURBO-DIESEL I6 (305 hp [227 kW] @ 3750 rpm, 495 lb-ft of torque [671 Nm] @ 2750 rpm) (Includes (KW5) 220-amp alternator and (K05) engine block heater.), ENGINE BLOCK HEATER.* Visit Us Today *Treat yourself- stop by Sun Buick GMC located at 3333 Sunrise Hwy, Wantagh, NY 11793 to make this car yours today!