2026 GMC Sierra 2500

==== 2026 GMC Sierra 2500HD AT4 ====*Lifted 40' Premium Off-Road Tires 24' KG1 Wheels Duramax 6.6L Turbo Diesel 4WD*This *2026 GMC Sierra 2500HD AT4* is a no-compromise heavy-duty build designed to dominate on and off the road. Professionally *lifted and riding on massive 40' premium off-road tires mounted to 24' KG1 wheels*, this AT4 delivers aggressive stance, extreme capability, and premium refinement---powered by the legendary *Duramax 6.6L V8 Turbo Diesel*.----------------------------------------=== Performance & Capability === * *Duramax 6.6L V8 Turbo Diesel* * *4WD with 2-speed Active Electronic AutoTrac transfer case* * *Automatic locking rear differential* * *Digital variable steering* * *StabiliTrak stability control* with trailer sway control & hill start assist * *Trailering package* with hitch guidance & hitch view * *Integrated trailer brake controller* * *In-vehicle trailering app* * *120V power outlets* (instrument panel & cargo bed)----------------------------------------=== Sierra HD Pro Safety === * Automatic emergency braking * Forward collision alert * Front pedestrian braking * Lane departure warning * Following distance indicator * IntelliBeam automatic high beams * Front & rear park assist * Trailer side blind zone alert * Rear cross traffic alert * Driver safety alert seat * *HD surround vision*----------------------------------------=== Interior Luxury & Comfort === * *Heated & ventilated front bucket seats* * *Heated second-row outboard seats* * *Adaptive cruise control* * *10-way power driver seat* with memory * *Heated, leather-wrapped steering wheel* * *Dual-zone automatic climate control* * *BOSE premium audio system* * *Wireless charging* * *12.3' reconfigurable digital driver information center* * *Rear window defogger* * *Bed view camera*----------------------------------------=== Technology & Connectivity === * *13.4' GMC Premium Infotainment touchscreen* with Google Built-In & navigation capability * Wireless Apple CarPlay & Android Auto * Remote vehicle start * SiriusXM audio (trial included) * OnStar Basics (up to 8 years)----------------------------------------=== Exterior Highlights === * *Professional lift with 40' off-road tires* * *24' KG1 wheels* * *AT4 Premium Plus Package* * Power sunroof * Rear camera mirror & 15' head-up display * LED roof marker lamps * Animated LED projector headlamps * LED fog lamps * Power folding, heated, auto-dimming trailering mirrors with perimeter lighting * Spray-on bedliner *

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