Delivers 26 Highway MPG and 22 City MPG! Carfax One-Owner Vehicle. This GMC Sierra 1500 boasts a Diesel I6 3.0L/183 engine powering this Automatic transmission. X31 OFF-ROAD PACKAGE includes Off-Road suspension, (JHD) Hill Descent Control, (NZZ) skid plates, (K47) heavy-duty air filter and X31 hard badge Includes (NQH) 2-speed transfer case, (XCK) 265/65R18SL all-terrain, blackwall tires and (N10) dual exhaust., WIRELESS CHARGING, WINDOW, POWER, REAR SLIDING WITH REAR DEFOGGER.*This GMC Sierra 1500 Features the Following Options *SLT PREMIUM PLUS PACKAGE includes (PCY) SLT Convenience Package, (PDY) SLT Preferred Package, (PQB) Driver Alert Package I, (PDJ) Driver Alert Package II, (NZM) 20 Polished aluminum wheels, (BVT) Chrome assist steps and (CGN) spray-on bedliner. With 4WD model and (L84) 5.3L EcoTec3 V8 engine (MQB) 10-speed automatic transmission is included., SLT PREFERRED PACKAGE includes (IOT) 8 diagonal Premium GMC Infotainment with navigation, (UQA) Bose Premium Audio System and (K4C) Wireless Charging, SLT CONVENIENCE PACKAGE includes (A50) bucket seats with (D07) center console, (KQV) ventilated front seats, (A48) rear sliding power window, (UG1) Universal Home Remote, USB PORTS, 2 (FIRST ROW) LOCATED ON INSTRUMENT PANEL, UNIVERSAL HOME REMOTE, TRANSMISSION, 10-SPEED AUTOMATIC, ELECTRONICALLY CONTROLLED with overdrive and tow/haul mode. Includes Cruise Grade Braking and Powertrain Grade Braking Most vehicles built on or after 6-7-2021 with a V8 engine and (MQB) 10-speed automatic transmission will have (NSS) Not Equipped with Automatic Stop/Start, which removes Automatic Stop/Start and its content.), TRANSFER CASE, TWO-SPEED, ELECTRONIC AUTOTRAC with push button control.