2021 GMC Sierra 2500 HD X31

2021 GMC Sierra 2500 HD X31 off road pkg, 4X4, 6.6L V8 Duramax Diesel engine, Allison® 10-speed automatic transmission, 4 Wheel Drive, Trailering Package, Trailering Mirrors, Trailer Brake Controller, Best-in-class HD cargo box volume*, Wireless Apple CarPlay®* and wireless Android Auto™* compatibility, 13.4" diagonal center touchscreen. 12.3" diagonal digital Driver Information Center, Traction Select System with Tow/Haul mode*, 10-way power-adjustable front heated and ventilated bucket seats with 17" machined aluminum wheels, Toolbox, Bed Liner, Rear Cover. 133,671 mils