This 2021 GMC Sierra 2500HD AT4 delivers commanding presence and capability in a well-equipped crew cab package. Finished in striking black with jet black and kalahari accents leather interior, this 4WD truck combines rugged utility with refined comfort. A local trade that passed dealer inspection, it's ready to hit the road with confidence.- 6.6L V8 engine with 6-speed automatic transmission- 4WD with 2-speed active transfer case and off-road suspension- 20" machined aluminum wheels with sport step and smoked LED roof marker lamps- Heated and ventilated front bucket seats with 10-way power adjusters and lumbar support- Premium GMC infotainment system with Apple CarPlay, Android Auto, and SiriusXM 360L- Integrated trailer brake controller with in-vehicle trailering system app- Spray-on pickup box bed liner with AT4 logo and red recovery hooks- Dual-zone automatic climate control with heated rear seats and rear window defogger- Remote vehicle starter and keyless open & start- Hill descent control and electronic stability control with traction managementThis Sierra 2500HD has been well-maintained and shows approximately 39,400 miles—ideal mileage for a truck from this model year. Come experience the capability and luxury of this AT4 in person at our dealership.