The 2021 GMC Sierra HD is the largest and most powerful truck in GMC's line of trucks. The 2021 GMC Sierra HD features two Powertrains: one gas and one diesel to help power your new truck. The gas engine is a 6.6L V8 that gets 401 Horsepower and 464 lb.-ft. of torque. The diesel engine in the 2021 GMC Sierra HD is the 6.6L Duramax V8 Turbo-Diesel. This powerful engine gets 445 Horsepower and 910 lb.-ft. of torque and is a towing machine. The 2021 GMC Sierra HD gets the Best-in-Class Maximum Towing Capacity of 36,000 lbs from the Duramax Turbo-Diesel engine. The 2021 GMC Sierra HD is the first Heavy-Duty truck in its class to feature the powerful Allison 10-Speed Transmission. The 2021 GMC Sierra HD includes the Traction Select System with Tow/Haul and Off-Road Modes to help customize your drive. To make driving even easier when hauling or towing, Hill Start Assist and the Park Grade Hold Assist make it easy to park anywhere and get going when you need to. If you are hauling through the mountains utilizing the Brake Pad Life Monitor could be a lifesaver. This feature monitors the life of your brake pads and warns you before they need to be changed thus the chances of burning out your brakes and losing control of your 2021 GMC Sierra HD is low.
The 2021 GMC Sierra HD comes loaded with safety features that help improve overall safety and safety while towing. The HD Surround Vision Camera lets you get a perimeter view of your 2021 GMC Sierra HD. Another feature that is great when you are towing a third-wheel is the Trailer Tire Pressure Monitor Sensors that lets you keep track of the status of your tires and helps prevent unnecessary damage to your trailer or truck. The available Jackknife Alert in the 2021 GMC Sierra HD is essential if you will be towing large trailers because it warns you before you even get into the position to jackknife your truck and trailer. The 2021 GMC Sierra HD has some available safety features that you find in their smaller pick-up trucks and SUVs. The available Lane Departure Warning and IntelliBeam Auto High-Beams are a great added safety feature to your 2021 GMC Sierra HD. Depending on what you need your 2021 GMC Sierra HD to do, you can choose between the Sierra HD 2500 or the Sierra HD 3500. Each of these models comes in 5 different trim levels, so the options are endless. At Lou Fusz Buick GMC, we are happy to help you find the 2021 GMC Sierra HD that best suits your needs.