About This GMC Sierra 3500HD
This 2026 GMC Sierra 3500HD is finished in White with a Brown interior, combining heavy-duty capability with a refined and upscale look. Powered by a 6.6L Duramax turbodiesel V8 paired with an automatic transmission and 4x4 drivetrain, it delivers exceptional torque, towing strength, and reliable performance.
Built for demanding work, the Sierra 3500HD offers the strength and durability needed for heavy hauling and towing, while its 4x4 system provides
Inside, the cabin features a comfortable Brown interior, offering a balance of practicality and premium feel for long drives or jobsite use. With its combination of power, capability, and comfort, this Sierra 3500HD is designed to handle tough tasks with ease.
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