This 2019 GMC Sierra 3500HD SLT Crew Cab 4WD is powered by a robust Duramax 6.6 L Turbo-Diesel V8 engine paired with four-wheel drive. It features heavy-duty towing capability, an integrated trailer brake controller, bed step bumper, spray-in bed liner, and a locking tailgate. The spacious Crew Cab interior offers heated leather-appointed front seats, power-adjustable driver and passenger seats with lumbar support, dual-zone automatic climate control, rear seat centre armrest with cupholders, heated leather-wrapped steering wheel, remote keyless entry, power windows and locks, an 8? colour touchscreen with Apple CarPlay and Android Auto, Bluetooth hands-free and audio streaming, USB ports, AM/FM/SiriusXM audio, navigation, Bose premium sound system, and steering-wheel mounted audio and phone controls, a rear-view camera with hitch guidance, trailer sway control, hill start assist, stability control, cruise control, bed lighting, cargo tie-downs, integrated trailer brake controller, heavy-duty trailer wiring, and multiple 12 V/USB power outlets throughout the cabin.