2026 GMC Sierra 2500 HD Crew Cab
AT4 Pickup 4D 6 1/2 ft7,225 miles
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Why You’ll Love This Sierra 2500
Slotted above the SLT and below the Denali in the Sierra HD lineup, the AT4 elevates everyday capability with an off-road suspension package featuring Rancho shocks, a 13.4-inch Premium GMC infotainment system with Google built-in plus wireless Apple CarPlay and Android Auto, and HD Surround Vision with up to 14 camera views for easier maneuvering and trailering.
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