2023 GMC Sierra 3500HD AT4
2023 GMC Sierra 3500 AT4 – Heavy-Duty Capability Meets Off-Road Toughness
Built for strength, performance, and rugged style, the 2023 GMC Sierra 3500 AT4 is ready to tackle any job or adventure. Powered by a 6.6L V8 gas or available Duramax 6.6L Turbo Diesel engine paired with a 10-speed automatic transmission, this heavy-duty truck delivers impressive towing, hauling, and off-road capability.
The AT4 trim adds off-road suspension, skid plates, and all-terrain tires, while the interior provides premium comfort and technology including heated and ventilated seats, GMC Infotainment system with touchscreen, Apple CarPlay/Android Auto, and advanced safety features.
Key Features:
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6.6L V8 Gas or 6.6L Duramax Turbo Diesel engine
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10-speed automatic transmission
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4x4 drivetrain with AT4 off-road package
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Premium interior with leather-appointed seats
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Heated and ventilated front seats
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GMC Infotainment touchscreen with Apple CarPlay & Android Auto
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Tow package & integrated trailer brake controller
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Skid plates and all-terrain tires
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Advanced safety features including forward collision alert & lane-keep assist
Rugged, capable, and built to perform, the 2023 GMC Sierra 3500 AT4 is the ultimate heavy-duty truck for work or play.
Come see it today — experience power and comfort in one package!
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