Plenty of trucks make promises they can’t deliver on — you don’t have to worry about that with the 2020 GMC Sierra 2500HD. This feature-filled pickup incorporates the design elements and driving dynamics you’ve come to expect from GMC. Read on to learn more about the new GMC Sierra 2500HD in our model overview.

The 2020 GMC Sierra 2500HD at a Glance


2020 GMC Sierra 2500HD performance

Modern trucks should be as smooth as they are capable, and the new Sierra 2500HD passes this test with flying colors. Anchored by an impressive 6.6L V8 engine, the new Sierra 2500HD is available with up to 401 horsepower, 464 lb.-ft. of torque, and a maximum towing capacity of 18,500 lbs. The new Sierra 2500HD matches this spirited powertrain with a refined ride quality and improved handling. Other performance features available for this model include:

  • 6.6L Duramax Diesel engine option
  • 4-Wheel Antilock Disc Brakes with Duralife Brake Rotors
  • Allison® 10-speed automatic transmission


2020 GMC Sierra 2500HD technology

The new Sierra 2500HD comes equipped with the tools you need to keep your passengers safe and entertained. GMC offers available features and safety systems designed to help you avoid accidents and to protect you and passengers from harm. Meanwhile, passengers can spend their time listening to music, podcasts, and radio stations, or by staying connected through their phones, with the available infotainment system. Take a look at this list for other technology options that might interest you:

  • Apple CarPlay™ and Android Auto™ compatibility
  • StabiliTrak® Electronic Stability Control System
  • Rear Vision Camera


2020 GMC Sierra 2500HD design

While the exterior of the new Sierra 2500HD projects capability, the vehicle’s interior projects comfort without sacrificing style. With 83 cu. ft. of bed space, you don’t have to be picky about what you take with you. Equipping your new Sierra 2500HD with the various passenger comfort options is a surefire way to give your riders the complete GMC riding experience. Check out even more of the available design features here:

  • CornerSteps and BedStep
  • Gooseneck Prep Package
  • Heated, power-adjustable vertical trailering mirrors

Check out the 2020 GMC Sierra 2500HD in Raleigh, NC

You can find the 2020 Sierra 2500HD at Thompson Buick GMC. We can show you the features we didn’t cover here, or you can take a look at other new GMC cars for sale in Raleigh, North Carolina. Also, check out our new GMC specials for a chance to save, then schedule a test drive at a time convenient for you.

*MSRP: Starting price represents the manufacturer’s suggested retail price (MSRP) for the Sierra 2500HD trim. The MSRP does not include destination and handling charges, taxes, title, license, options, and dealer charges. Actual prices are set by the dealer and may vary. Photo is for marketing and example purposes only. Photo may not reflect starting MSRP or trim level.
**EPA-estimated MPG for City/Highway for 2020 GMC Sierra 2500HD Sierra 2500HD. Actual mileage will vary. Displayed MPG is based on applicable EPA mileage ratings. Use for comparison purposes only. Your actual mileage will vary, depending on how you drive and maintain your vehicle, driving conditions, battery pack age/condition (hybrid models only) and other factors.