See the New 2022 GMC Sierra HD Truck here.

The 2021 GMC Sierra 2500HD continues to be one of America's most-loved heavy-duty pickup trucks. At Octane Buick GMC of Santa Fe, we want you to understand the 2021 GMC Sierra 2500 more fully. With this complete review, we will look at the various models, evaluate the GMC 2500HD towing capacity and look at the available features. 

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2021 GMC Sierra 2500HD Release Date

The 2021 GMC Sierra 2500HD was released in 2020 and is available for purchase now in Santa Fe, NM. You can browse our online inventory to see what models are available for sale.

2021 GMC Sierra 2500HD Price & Trim Levels

You can find a variety of trim levels to choose from with your 2021 GMC 2500HD.

• Sierra: $37,895
• SLE: $43,295
• SLT: $53,295
• AT4: $60,795
• Denali: $67,195
  
  

2021 GMC Sierra 2500HD AT4 Off-Road Truck

The 2021 GMC Sierra 2500HD AT4 is the lineup's off-road model. With all of the gear it previously included, it now offers mud-terrain tires and a standard high-clearance step accessory that offers even more versatility.

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2021 GMC Sierra 2500HD Denali Luxury Truck

Customers who desire the utmost luxury prefer the GMC 2500 Denali model. Not only does the 2021 GMC Sierra 2500HD Denali contain just about every tech feature you could want, but it also comes with a chrome-laden appearance. The new model year also adds a standard high-definition 360-degree camera combined with a bed-view camera.

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2021 GMC Sierra 3500HD

With the GMC Sierra 3500 models, you can expect even more performance. Prices start slightly higher at $39,095, but the 2021 GMC Sierra 3500HD can tow up to 35,500 pounds and haul up to 7,442 pounds. The Sierra 3500HD can also be chosen as a single or dually model.

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2021 GMC Sierra 2500HD Interior & Cab Configurations

All 2021 GMC Sierra 2500HD trucks are available with your choice of a Regular, Double, or Crew Cab configuration that seats up to 6 people. Additionally, the user-friendly cabin comes with an available head-up display, temperature-controlled front seats, wireless charging, and a heated steering wheel.

2021 GMC Sierra 2500HD Exterior Design & Appearance

The 2021 GMC Sierra 2500HD looks like a beast and measures 236-266″ L x 82″ W x 80″ H. It is available with 17, 18- or 20-inch tires and offers your choice of nine exterior paint colors.

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2021 GMC Sierra 2500HD Engine Options

The 2021 GMC Sierra 2500HD comes with a 401-horsepower 6.6-liter V8 that produces 464 pound-feet of torque. This engine includes a six-speed automatic and your choice between rear- or all-wheel drive. However, the GMC 2500 Diesel option contains the Duramax 6.6-liter V8 outputting 445 horsepower and 910 pound-feet of torque. This engine pairs with the Allison ten-speed automatic transmission.

2021 GMC Sierra 2500HD Towing Capacity & Payload Rating

The GMC Sierra 2500 towing capacity reaches 18,500 pounds, plus the payload rating is up to 3,979 pounds when properly equipped.

2021 vs. 2020 GMC Sierra 2500HD Changes & Updates

Along with the AT4 and Denali models' updates, there are also new trailer-assistance features offered for 2021 models. The SLE trim also receives the MultiPro tailgate as standard equipment.

2021 GMC Sierra 2500HD Safety Ratings & Technology

The NHTSA nor IIHS has not evaluated the 2021 GMC Sierra 2500HD, but it comes with plenty of safety features. Choose to equip the truck with the available automatic emergency braking, forward-collision warning, blind-spot monitoring, lane departure warning, or rear cross-traffic alert.

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