Not every truck is a game-changer, but then again, not every truck is the 2026 GMC Sierra 2500HD. Delivering value at every step of the way, from its spacious cabin to its assertive performance capabilities, this model establishes itself as an ideal truck. You’ll get all the information you need about the new GMC Sierra 2500HD below.
The 2026 GMC Sierra 2500HD at a Glance
Performance
Modern truck drivers asked for a truck that was both powerful yet smooth to drive under any circumstances. The Sierra 2500HD is GMC’s answer. The new Sierra 2500HD delivers a maximum towing capacity of up to 22,500 lbs. when properly equipped with a 470 horsepower powertrain. The dynamic powertrain is paired with an upgraded suspension and tighter handling to deliver the most comfortable drive in its class. For an even more comprehensive list of available performance features, read this list:
- GMC MultiPro Tailgate
- 10-speed automatic transmission
- StabiliTrak, electronic stability control system with traction control
Technology
The best trucks on the market prioritize two things in their in-cabin technology: safety and connectivity. The newest model is available with the latest safety innovations from GMC, which will help you watch the road and cover your blind spots. Add in available convenience features and navigation, and you have one of the most complete in-cabin experiences on the market. The technology features of this model don’t end there. You’ll also enjoy these:
- HD Rear Vision Camera
- Rear Seat Belt Indicator
- Hitch Guidance
Design
The right truck should find perfect harmony between its form and function. The new Sierra 2500HD lets you forget the phrase “there’s not enough room” by delivering a max cargo space of up to 83.5 cu ft. Equipping your new Sierra 2500HD with the various passenger comfort options is a surefire way to give your riders the complete GMC riding experience. For more information on standard and available design features, see this list:
- 6-speaker audio system
- Signature LED Daytime Running Lamps
- 17″ LT265/70R17E all-terrain, blackwall tires
See the 2026 GMC Sierra 2500HD in Action in Wallingford, CT
See the new Sierra 2500HD for yourself at Wallingford GMC. All that’s left to do is select your favorite option from our inventory of new GMC cars for sale in Wallingford, CT. See what our regular rotation of new GMC specials has in store for you today.
*MSRP: Starting price represents the manufacturer’s suggested retail price (MSRP) for the 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.\n**EPA-estimated MPG for City/Highway for 2026 GMC 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.
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