This 2026 GMC Sierra 2500 HD AT4 Crew Cab 4WD is powered by the Duramax 6.6L Turbo-Diesel V8 with a 10-speed automatic, exhaust brake and engine block…
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This 2026 GMC Sierra 2500 HD AT4 Crew Cab 4WD is powered by the Duramax 6.6L Turbo-Diesel V8 with a 10-speed automatic, exhaust brake and engine block heater. The Max Trailering Package adds Gooseneck/5th Wheel Prep, joined by Trailer Side Blind Zone Alert, trailer camera provisions and a heavy-duty front spring/camper package. The AT4 Premium Plus Package brings a power sunroof, multicolor 15-inch head-up display, rear camera mirror and power-retractable black assist steps. Finished in Summit White over Jet Black with Kalahari Accents, it rides on 20-inch High Gloss Black aluminum wheels with LT275/65R20 tires. In stock at Temecula Valley Buick GMC in Temecula, CA. Stock #G261236.
Price includes: $1000 - Buick & GMC Consumer Cash Program 26-40ACB-014 (Exp. 11/02/2026)Includes: CustomIncentive
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