Built for towing, this 2026 GMC Sierra 2500 HD AT4 Crew Cab pairs four-wheel drive with the Duramax 6.6L Turbo-Diesel V8, dual alternators and the Max…
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Built for towing, this 2026 GMC Sierra 2500 HD AT4 Crew Cab pairs four-wheel drive with the Duramax 6.6L Turbo-Diesel V8, dual alternators and the Max Trailering Package with gooseneck/5th wheel prep. The AT4 Premium Plus Package adds a power sunroof, multi-color head-up display and rear camera mirror, while the AT4 Preferred Package brings a power sliding rear window and universal home remote. Finished in Onyx Black over Jet Black with Kalahari accents, it rides on high gloss black aluminum wheels and adds 10-way power front bucket seats, trailer side blind zone alert and all-weather floor liners. In stock at Temecula Valley Buick GMC in Temecula, CA. Stock #G261451.
Price includes: $2000 - Buick GMC Bonus Cash 26-40AG-016 (Exp. 11/30/2026), $2500 - Buick & GMC Consumer Cash Program 26-40ACB-015 (Exp. 11/30/2026)
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