2022 GMC Sierra 2500HD AT4 Duramax Diesel 4x4

This 2022 GMC Sierra 2500HD AT4 Duramax Diesel 4x4 is a premium heavy-duty truck with the 6.6L Duramax turbo diesel, Allison transmission, and off-road-oriented AT4 package. It blends rugged capability with comfort and clean presentation — perfect for towing, hauling, or daily driving with serious intent.

• 6.6L Duramax Turbo Diesel with serious towing power
• Allison transmission for heavy-duty reliability
• AT4 Off-Road Package with upgraded suspension and styling
• 4x4 drivetrain ready for job sites, back roads, and tough weather
• Premium interior + modern GMC tech for comfort and convenience

In this walkaround we cover exterior, interior, under-hood, and ride-stance so you can see exactly what you’re getting before you visit the lot.

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Located in Mansfield, Texas. Nationwide shipping available — ask for a quick quote.