GMC Sierra 2500Hd 2026

The 2026 GMC Sierra 2500 AT4X Crew Cab 4WD delivers ultimate heavy-duty off-road capability combined with extreme Duramax diesel power and luxury refinement, finished in Sterling Metallic with an Obsidian Rush interior. Exterior highlights include Multimatic DSSV dampers with factory off-road suspension lift, power-retractable assist steps with LED perimeter lighting, factory spray-on bedliner, animated LED projector headlamps, front LED fog lamps, 120V AC bed outlet, upfitter switch kit, high idle switch, trailering wiring provisions, and power-adjustable heated side mirrors with auto-dimming upper glass and integrated turn signals. Inside, the executive-grade cabin features heated and ventilated front bucket seats with 16-way power driver adjustment, heated second-row outboard seats, heated leather-wrapped steering wheel, power sunroof, Bose Premium Series 12-speaker audio system, power sliding rear window, Universal Home Remote, wireless phone charging, dual-zone automatic climate control, driver seat and mirror memory, premium floor liners, and 120V AC instrument panel outlet. Technology and safety features include a 13.4 diagonal GMC Premium Infotainment System with Google built-in, 15 multicolour Head-Up Display, Rear Camera Mirror, 12.3 digital driver information centre, wireless Apple CarPlay and Android Auto compatibility, SiriusXM capability, OnStar Connected Services, Duramax 6.6L V8 Turbo Diesel engine with dual alternators (220A primary / 170A auxiliary), 10-speed Allison automatic transmission, 2-speed active electronic Autotrac transfer case, rear electronic locking differential, Trailering Package with Hitch Guidance, Hitch View, Bed View Camera, integrated trailer brake controller, and IntelliBeam auto high beams. AMVIC Licensed Dealer.