New GMC SIERRA 2500 HD NEAR CARROLLTON, GA
John Thornton Buick GMC · Carrollton, GA2026 GMC Sierra 2500HD
2026 GMC Sierra 2500HD
for Sale near Carrollton
Built for the hardest jobs and the longest hauls. The 2026 GMC Sierra 2500HD delivers Professional Grade capability, advanced trailering technology, and an interior that rivals luxury sedans — now available at John Thornton Buick GMC near Carrollton, Villa Rica, Bremen, and Douglasville, GA.
Starting at$47,000*
21,870
Lbs. Max Available Towing (Crew Cab)*6.6L
Available Duramax Turbo-Diesel V8*7
Trim Levels Available*10
Speed Automatic Transmission*
Overview
A Real Heavy-Horse Truck
Get a great deal on the new 2026 GMC Sierra 2500 HD for Sale near Carrollton, GA, at John Thornton Buick GMC this month! The 2026 GMC Sierra 2500 HD is the latest release of this classic one-ton truck, and it's a real heavy-horse, with incredible performance, power, and exceptional reliability.
The range comes with a choice of trims that go up to the luxurious Denali. Pick from either the standard V8 6.6-liter engine or a turbo-diesel, paired with a ten-speed transmission — primed to handle all situations with ease.*
Technology Highlights
Rugged Aesthetic Meets Smart Tech
The GMC Sierra 2500HD is renowned for its rugged aesthetic, superb safety and assistance suite, and excellent in-cabin entertainment. Check out the dual 7-inch infotainment screen and 13.4-inch digital display, which combine to anchor the dashboard.
There's also an available head-up display, wireless charging, an available sunroof, and adaptive cruise control. The driver safety and assistance stack handles everything from lane-keeping support to automatic emergency braking.
2026 Sierra 2500HD Trim Levels
From hardworking to fully loaded — all available at John Thornton Buick GMC near Carrollton, GA.
Trim data sourced from gmc.com/trucks/sierra/2500hd-3500hd, March 2026.
SLT
- ✔ 10-way power heated & vented seats
- ✔ Perforated leather appointments
- ✔ MultiPro Tailgate w/ Kicker® Audio
AT4
- ✔ Off-Road Suspension Package
- ✔ Rancho twin-tube shocks + skid plates
- ✔ 20" gloss-black aluminum wheels
AT4X
- ✔ 1.5" factory suspension lift
- ✔ Multimatic® DSSV dampers
- ✔ Rear electronic-locking differential
Denali
- ✔ Authentic wood & patterned aluminum trim
- ✔ Forge perforated leather seating
- ✔ Vader Chrome signature grille
Denali Ultimate
- ✔ Full-grain leather + Paldao wood
- ✔ 16-way power seats with massage
- ✔ Alpine Umber exclusive interior
Ready to Find Your Sierra 2500HD?
Visit John Thornton Buick GMC at 1492 N Park St, Carrollton, GA — serving Villa Rica, Bremen, Douglasville, and the West Georgia area.
Design & Styling
A Real Head-Turner
The 2026 GMC Sierra 2500 HD is a real head-turner, with its boxy grille and assertive, muscular stance, pixel-perfect LEDs, daytime running lights, and bold badging.
Every trim has its own unique personality and features that include flexible seating, ergonomic controls, soft-touch fabrics, and contrast stitching. Choose from a fantastic range of paint finishes and wheel options.
Awards & Accolades
Highly Awarded. Highly Trusted.
At John Thornton Buick GMC, we expect the 2026 GMC Sierra 2500 HD to perform very highly at this year's industry awards. Previous years have dominated the ALG residual value and other awards, and the NHTSA has awarded it the maximum five-star rating for safety.
Come and arrange your test drive today — our team at 1492 N Park St, Carrollton, GA is ready to help you find the right Sierra 2500HD for your needs. Serving Villa Rica, Bremen, Douglasville, and the West Georgia area.
Frequently Asked Questions
Everything Carrollton, GA drivers want to know about the 2026 GMC Sierra 2500HD.
What is the starting MSRP of the 2026 GMC Sierra 2500HD? +
Contact John Thornton Buick GMC near Carrollton for current in-stock pricing and available incentives on the 2026 Sierra 2500HD. All prices exclude destination freight charge, tax, title, license, and dealer fees. Call us at (678) 922-9830 or visit us at 1492 N Park St, Carrollton, GA.
What trim levels does the 2026 GMC Sierra 2500HD come in? +
The 2026 Sierra 2500HD is available in seven trim levels: Pro, SLE, SLT, AT4, AT4X, Denali, and Denali Ultimate. Each trim offers its own distinct combination of capability, technology, and interior refinement. Source: gmc.com/trucks/sierra/2500hd-3500hd.
What engines are available on the 2026 GMC Sierra 2500HD? +
The 2026 Sierra 2500HD offers a standard 6.6L V8 gas engine and an available Duramax 6.6L Turbo-Diesel V8, both paired with a 10-speed automatic transmission. The Denali trim features the standard 6.6L V8 gas engine. Source: gmc.com/trucks/sierra/2500hd-3500hd.
How much can the 2026 GMC Sierra 2500HD tow? +
When properly equipped, the 2026 GMC Sierra 2500HD Crew Cab offers available max towing of up to 21,870 lbs.* Towing capacity varies by configuration, engine, and equipment. Source: gmc.com/trucks/sierra/2500hd-3500hd.
What trailering technology does the Sierra 2500HD offer? +
The 2026 Sierra 2500HD offers an advanced suite of available trailering-assist technologies that help streamline hitching and towing — including integrated tools that enhance confidence and visibility. Available Adaptive Cruise Control with trailer awareness adjusts for additional drag and braking distance when towing. Source: gmc.com.
What is the MultiPro Tailgate on the Sierra 2500HD? +
The available MultiPro Tailgate is the world's first six-function tailgate, offering multiple configurations to improve loading, unloading, and cargo bed access. The SLT and above trims can include the MultiPro Tailgate Audio System by Kicker®. Source: gmc.com.
Where can I test drive a 2026 GMC Sierra 2500HD near Carrollton, GA? +
John Thornton Buick GMC is located at 1492 N Park St, Carrollton, GA 30117 — serving Villa Rica, Bremen, Douglasville, Newnan, and the West Georgia area. Call us at (678) 922-9830 or contact us online to schedule your Sierra 2500HD test drive today.
MSRP excludes destination, taxes, title and registration fees. Starting at price refers to the base model, optional equipment not included. A more expensive model may be shown. Pricing and offers may change at any time without notification. To get full pricing details, see your dealer.
- Trim levels and feature content sourced from gmc.com/trucks/sierra/2500hd-3500hd, March 2026. Verify current pricing at time of publication.
- 21,870 lb. max available towing for Sierra 2500HD Crew Cab when properly equipped. Towing capacity varies by configuration; see dealer for details. Source: gmc.com.
- Available Duramax 6.6L Turbo-Diesel V8 with 10-speed automatic transmission. Standard 6.6L V8 gas also available. Source: gmc.com.
- Safety or driver assistance features are no substitute for the driver's responsibility to operate the vehicle safely. See dealer for full details.
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Hours
- Monday8:00 am - 6:00 pm
- Tuesday8:00 am - 6:00 pm
- Wednesday8:00 am - 6:00 pm
- Thursday8:00 am - 6:00 pm
- Friday8:00 am - 6:00 pm
- Saturday8:00 am - 6:00 pm
- SundayClosed
Sales
1492 N Park St
Carrollton, GA 30117
- Sales: (678) 922-9830