The 2026 GMC Sierra 2500 HD Denali Ultimate pairs a 4WD crew cab with the Duramax 6.6L Turbo-Diesel V8 and 10-speed automatic. Its Max Trailering Pack…
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The 2026 GMC Sierra 2500 HD Denali Ultimate pairs a 4WD crew cab with the Duramax 6.6L Turbo-Diesel V8 and 10-speed automatic. Its Max Trailering Package adds gooseneck and fifth-wheel prep, a towing wiring harness and rear leaf springs, backed by a 3.42 axle ratio and dual 220/170-amp alternators. Inside, Alpine Umber seating includes a 16-way massaging power driver seat with memory and a 10-way massaging passenger seat. Trailer side blind zone alert, remote start, a power sliding rear window with defogger and 20-inch machined aluminum wheels on LT275/65R20 tires round out this Onyx Black truck. In stock at Temecula Valley Buick GMC in Temecula, CA. Stock #G261443.
Price includes: $2000 - GMC Bonus Cash 26-40AAS-000 (Exp. 11/02/2026)
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