2021 GMC Sierra 1500 SLT Crew Cab delivers premium capability wrapped in a clean white exterior with jet black leather seating. This 4WD diesel powerhouse combines the efficiency of its 3.0L turbocharged I-6 engine with the strength you need for work or weekend adventures. With EPA-estimated 22 city / 26 highway MPG, Actual mileage may vary, this truck balances power and economy while the 10-speed automatic transmission ensures smooth performance in any condition.- Heated and ventilated driver and front passenger seating- 120-volt bed mounted and instrument panel power outlets- Auto-locking rear differential with ProGrade Trailering System- Remote vehicle starter system with keyless open and start- Power sliding rear window with rear defogger- Chrome assist steps and recovery hooks- Hitch guidance with integrated trailer brake controller- SiriusXM 360L satellite radio with 4G LTE Wi-Fi hotspot capability- Heated steering wheel and power door mirrors- Apple CarPlay and Android Auto connectivityThe SLT Convenience Package, Trailering Package, and Preferred Equipment Group 4SA deliver a well-rounded truck experience. All-terrain tires mounted on 20-inch polished aluminum wheels provide both style and capability, while the engine block heater ensures reliable cold-weather starts. The diesel engine combined with the auxiliary transmission oil cooler and heavy-duty suspension keeps this Sierra ready for whatever you demand.Visit us today to experience the refined toughness of this Sierra 1500 SLT. Our team is ready to walk you through every premium feature and answer your questions about truck capability and comfort.