Delivers 26 Highway MPG and 22 City MPG! This GMC Sierra 1500 delivers 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 Comes Equipped with These Options *SLT PREMIUM PLUS PACKAGE includes (PCY) SLT Convenience Package, (PDY) SLT Preferred Package, (PQB) Driver Alert Package I, (PDJ) Driver Alert Package II, (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, (MCZ) 2 USB ports with auxiliary input (IP Mounted), (MCR) 2 USB Ports/SD Card/Aux Jack (Inside Console with bucket seats) and (KA6) rear heated seats, SEATS, HEATED SECOND ROW OUTBOARD SEATS (Included and only available with (PCY) SLT Convenience Package on vehicles built before 7-26-2021. Certain vehicles built on or after 7-26-2021 will include (RFU) Not Equipped with Heated Second Row Outboard Seats, which removes (KA6) Heated Second Row Outboard Seats. See dealer for details.), DRIVER ALERT PACKAGE II includes (UEU) Forward Collision Alert, (UHX) Lane Keep Assist/Lane Departure Warning, (UHY) Automatic Emergency Braking, (UKJ) Front Pedestrian Braking, (TQ5) IntelliBeam, (KSG) Adaptive Cruise Control and (UE4) Following Distance Indicator Includes (HS1) Safety Alert Seat., DRIVER ALERT PACKAGE I includes (UD5) Front and Rear Park Assist, (UKC) Lane Change Alert with Side Blind Zone Alert and (UFG) Rear Cross Traffic Alert (Includes Perimeter Lighting. Includes (V76) recovery hooks on 2WD models. , 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, TRAILER TIRE PRESSURE MONITOR SENSORS includes set of 4 sensors..