Meet the 2020 GMC Sierra 1500 SLT, a powerful truck built for those who demand capability and refinement in equal measure. With its commanding presence and purposeful engineering, this black beauty delivers the performance and features you need in a premium pickup. - SLT Premium Plus Package with convenience and preferred packages - X31 Off-Road Package with off-road suspension and hill descent control - 20 polished aluminum wheels with all-terrain tires - Premium GMC Infotainment System with navigation and Apple CarPlay/Android Auto - SiriusXM with 360L and premium Bose 7-speaker sound system - Heated and ventilated front seats with 10-way power adjustment - Remote vehicle starter system and keyless open & start - ProGrade Trailering System with integrated trailer brake controller - Spray-on bed liner and chrome assist steps - Adaptive cruise control with lane keep assist and automatic emergency braking - Heated steering wheel and wireless charging - Heavy-duty rear locking differential and dual exhaust - 4G LTE Wi-Fi hotspot and OnStar connectivity The EcoTec3 5.3L V8 engine paired with the 10-speed automatic transmission delivers the power you expect from GMC. With an average of 16 city and 22 highway MPG, this 4WD Sierra balances capability with efficient operation. The X31 Off-Road Package brings serious versatility, featuring off-road suspension, hill descent control, skid plates, and a high-capacity air filter for tackling any terrain. Inside, you'll find the truck was thoughtfully equipped for comfort and convenience. The heated and ventilated front seats adjust via 10-way power controls, while dual-zone climate control maintains your preferred temperature. The premium Bose sound system and navigation-equipped GMC Infotainment System transform your daily commute and weekend adventures alike. Safety and technology work seamlessly together in this Sierra. Forward collision alert, automatic emergency braking, lane keep assist with departure warning, rear cross traffic alert, and lane change alert with side blind zone alert keep you aware of your surroundings. The adaptive cruise control maintains your chosen distance from vehicles ahead, while ultrasonic front and rear park assist makes maneuvering simpler. The truck's bed is outfitted for work and play. A spray-on bed liner protects your cargo investments, while the 120-volt bed-mounted power outlet and in-vehicle trailering app add practical functionality. The ProGrade Trailering System includes an integrated trailer brake controller and hitch
