2021 GMC Sierra 2500HD Redesign, Release Date & Price

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2021 GMC Sierra 2500HD White Colors

Currently, there has been some hot news related to the major interior updates of the 2021 GMC Sierra 2500HD. There are some major auto media reported on this issue. Even though it might not be something you expect from the new Sierra, the update is still worth waiting for.


Not only the GMC Sierra, but Chevrolet Silverado would also be another half-ton pickup to receive major refreshes in the 2021 model year. This report is quite surprising since the automaker previously released an all-new model for its pickup trucks.

As we know, General Motors previously launched its Sierra and Silverado to answer the all-new Ram 1500 pickup. GM decided to go with an all-new Sierra and Silverado to keep up with its rival even though the design is not completely ready yet.

For this reason, GM is expected to revise its pickup trucks once again so that they can attract more potential buyers. In terms of interior, New GMC Sierra 2500HD received some pessimistic feedbacks just like its sibling. So, it is understandable to give the new Sierra a major interior update.

2021 Sierra 2500HD Interior Changes

It’s safe to say that the current interior of the GMC Sierra is not that ugly. It may look different from any of GM’s pickup trucks, but it isn’t bad. It was just the latest Ram pickup with such beautiful appearances.

Then, when this new Ram’s interior is compared to the previous Sierra or Silverado, we cannot deny that Ram would dominate. That’s why the forthcoming Sierra is rumored to have an interior redesign since it could be the best time to do so.

An upgraded center console is one of the updates received by the upcoming Sierra. It would include a bigger infotainment display. Plus, some changes might be given to the GMC Sierra 2500HD 2021 interior to appear more well-appointed.

Additional safety features might be added to the standard equipment of this upcoming Sierra 2500HD. It might offer a roomier interior with exclusive materials applied throughout the cabin. Plus, the in-vehicle trailering app should make this new Sierra even more modern in terms of technology.

2021 GMC Sierra 2500HD Interior With New Leather and Colors

2021 Sierra HD Redesign Exterior and Colors

While the interior of this new GMC Sierra 2500HD is expected to receive major improvements, the 2021 Sierra HD exterior might remain the same. Although some adjustments could be applied to make the new Sierra 2500HD even more beautiful, the changes won’t be many.

Some premium color options must be available for the top-tier trim levels. In this case, you can expect Red Quartz Tintcoat, Pacific Blue Metallic, Carbon Black Metallic, Summit White, Cardinal Red, Quicksilver Metallic, Oxford Metallic, Dark Sky Metallic, and others.

You can expect the 2021 GMC Sierra 2500HD to offer such amazing exterior features as well. The revised proportions of the exterior make the new Sierra looks bigger and bolder than before. Since it was designed big, buyers can expect tow something big as well.

This new Sierra Heavy Duty model also comes with GMC Multipro Tailgate. This means you can enjoy six different tailgate functions created to help increase accessing, loading, and unloading the new Sierra’s cargo box. Interestingly, these functions are easy to use in this Sierra HD.

2021 Sierra 2500HD Engine Specs

Under the hood, the 2021 Sierra 2500HD is expected to use the same engine as its predecessor. This means a 6.6L Duramax Turbo-Diesel V-8 engine would power the upcoming Sierra HD. This engine could deliver 445 horsepower and 980 lb-ft of power torque.

GM will pair this engine with an Allison 10-speed electronically controlled gearbox. This 2021 GMC Sierra 2500 spec is completed with an auto-grade braking system to downshift the vehicle if needed automatically. Then, the engine also features cooling ability after its performance.

This engine would be accessible in some trims of the new Sierra 2500HD. But, you can also go with the standard 6.6L V-8 Direct Injection engine. This standard engine can generate 401 horsepower and 464 lb-ft of torque for the new Sierra HD.

2021 GMC Sierra 2500HD Duramax Diesel Engine Specs

Different from the optional turbo-diesel engine, this one is paired with a 6-speed electronically controlled gearbox. Meanwhile, when it comes to trailering capacity, there should be many things to expect from this new Sierra 2500 since the vehicle is remarkably amazing.

The maximum payload of the new Sierra is 3751 lbs, while the maximum trailering is 14,500 lbs. ProgGrade Trailering System has also supported the trailering ability through the in-vehicle app. But, this feature might be available in the GMC Sierra 2500HD 2021 Denali.

Sierra HD AT4

The AT4 is the off-road version of the Sierra model lineup, with prices starting at $58,400. The AT4 offers some excellent features such as:

  • Rancho® shocks Off-Road Suspension and Skid Plates
  • Available multicolor 15″diagonal Head-Up Display with inclinometer 
  • Class-leading available up to 15 camera views including industry-first transparent trailer view, HD Surround Vision and more
  • AT4-exclusive black chrome exterior accents and durable, athletic interior
  • First-ever heavy duty in its class offering Allison® 10-Speed Automatic Transmission with available 6.6L Duramax Turbo-Diesel V8 engine
  • World’s First Six-Function MultiPro Tailgate

Towing Capacity & Payload

Model2WD/4WD CREW CAB STANDARD BOX4WD CREW CAB LONG BOX
Sierra 2500 HD Crew Cab18,500 LBS18,500 LBS
Sierra 2500 HD Double Cab14,500 LBS14,500 LBS
Sierra 2500 HD Regular Cab14,500 LBS14,500 LBS
Towing Capacity Table
Model2WD/4WD CREW CAB STANDARD BOX4WD CREW CAB LONG BOX
Sierra 2500 HD Crew Cab3,553/3,563 LBS3,536/3,597 LBS
Sierra 2500 HD Double Cab3,561/3,546 LBS3,595/3,657 LBS
Sierra 2500 HD Regular Cab3,715 LBS3,650 LBS
Playload Capacity

2021 GMC Sierra 2500HD Release Date & Price

UPDATE: 2021 GMC Sierra HD already available at the dealership; there are 3 different trims you can pick; they are Sierra SLE, Sierra HD AT4, and Sierra HD Denali.

The Price Starting at $35,900 for Sierra SLE & SLT, $58,400 for HD AT4 and $64,900 for the Denali.

Unfortunately, there hasn’t been any authorized statement from General Motors regarding the release date of this new GMC Sierra 2500HD. Some believed that the new Sierra would be unveiled along with the new Silverado in early 2020 and would go on sale later.

Since it is supposed to get some major interior changes, the upcoming Sierra 2500HD may cost higher than the existing model year. But, the estimated price of this new Sierra HD won’t go over $50,000 for the base trim level.

Meanwhile, the top-tier Sierra HD Denali may be offered to start at $65,000 for the 2021 model year. If you are interested in leasing the new Sierra HD, the estimated monthly payment may start at $689 per month with 0% down.

To conclude, the next-generation Sierra 2500HD is claimed to offer refreshed interior design and look to compete with the gorgeous Ram pickup trucks. Now, let’s wait for an official statement from the automaker related to its brand new 2021 GMC Sierra 2500HD.

2021 GMC Sierra 2500HD Redesign, Release Date & Price Pictures

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