About This GMC Sierra 2500HD
This 2020 GMC Sierra 2500HD AT4 is finished in Onyx Black with a Jet Black and Kalahari leather interior, combining heavy-duty performance with off-road capability and premium comfort. Powered by a 6.6L Duramax turbodiesel V8 producing 445 horsepower and 910 lb-ft of torque, it's paired with an Allison 10-speed automatic transmission and a 4WD system with a 2-speed transfer case for confident performance in any condition.
Equipped with 20-inch alloy wheels and gooseneck trailer prep, this Sierra is built for towing and hauling, while features like the MultiPro tailgate add everyday versatility. Additional highlights include a heated steering wheel, heated and ventilated front seats, wireless charging, navigation system, Bose premium audio, and Apple CarPlay and Android Auto connectivity.
With its combination of strong diesel performance, advanced towing capability, and upscale interior, this Sierra 2500HD AT4 is built to handle demanding work while delivering a comfortable and refined driving experience.
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