This 2019 GMC Sierra 1500 AT4 in black represents a capable work truck built for those who demand both performance and functionality. With its commanding presence and proven engineering, this Sierra stands ready to handle your toughest jobs while delivering the comfort you deserve in the cab. - EcoTec3 6.2L V8 engine with Dynamic Fuel Management producing 420 hp and 460 lb-ft of torque - 10-Speed Automatic transmission with 4WD capability - Technology Package including HD Surround Vision, Rear Camera Mirror, and 15 Head-Up Display - AT4 Premium Package with 6 black rectangular assist steps and trailer tire pressure monitoring - Driver Alert Package II with forward collision alert, lane keep assist, automatic braking, and pedestrian braking - LT275/65R18C Goodyear Wrangler Duratrac all-terrain tires - Integrated Trailer Brake Controller with in-vehicle trailering app and hitch guidance - Heavy-duty rear locking differential with auxiliary transmission oil cooler - Heated and ventilated leather front seats with 10-way power adjustment - Remote vehicle starter system and keyless open and start - All-terrain suspension with hill descent control - GMC Infotainment System with Apple CarPlay and Android Auto compatibility - SiriusXM satellite radio with HD Radio capability - OnStar and GMC Connected Services with 4G LTE connectivity The AT4 trim elevates this Sierra beyond standard capability with off-road focused features that translate to real-world versatility. The EcoTec3 engine operates across 17 different patterns to balance power delivery with fuel efficiency, while the heavy-duty rear locking differential provides the traction you need in demanding conditions. The integrated trailer brake controller and in-vehicle trailering app make towing straightforward and confident. Inside, the cabin prioritizes both comfort and practicality. Heated and ventilated front seats with perforated leather trim keep you comfortable across seasons, while the 8 driver information center and 15 head-up display keep essential information within your line of sight. The premium GMC Infotainment System provides seamless smartphone integration through Apple CarPlay and Android Auto, ensuring connectivity on every drive. Safety technology rounds out the package effectively. Forward collision alert, lane keep assist with lane departure warning, and rear cross traffic alert work together to provide awareness in various driving situations. Ultrasonic front and rear park assist helps during maneuvering, while the auto-dimming rear
