Built for serious towing, this 2026 GMC Sierra 2500 HD AT4 Crew Cab 4WD pairs the Duramax 6.6L Turbo-Diesel V8 and 10-speed automatic with an exhaust …
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Built for serious towing, this 2026 GMC Sierra 2500 HD AT4 Crew Cab 4WD pairs the Duramax 6.6L Turbo-Diesel V8 and 10-speed automatic with an exhaust brake, engine block heater and 3.42 axle ratio. The Max Trailering Package adds gooseneck/5th wheel prep, while Trailer Side Blind Zone Alert and trailer camera provisions help on the road. The AT4 Premium Plus Package brings a power sunroof, 15-inch multicolor head-up display, rear camera mirror and power-retractable black assist steps. Onyx Black outside, Jet Black with Kalahari accents inside, riding on 20-inch high gloss black wheels. In stock at Temecula Valley Buick GMC in Temecula, CA. Stock #G261235.
Price includes: $1000 - Buick & GMC Consumer Cash Program 26-40ACB-014 (Exp. 11/02/2026)Includes: CustomIncentive
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