This 2019 GMC Sierra 3500HD SLT Crew Cab 4WD is powered by a robust Duramax 6.6 L Turbo-Diesel V8 engine paired with a 10-speed automatic transmission and 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, heated rear seats, 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, forward collision alert, lane keep assist with lane departure warning, blind spot monitoring with rear cross traffic alert, 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.