Northtown Automotive Buick GMC — Yankton, SD
2026 GMC Sierra 2500HD
470hp · 975 lb‑ft Torque · 10‑Speed Transmission
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A Legendary One‑Ton Truck
Looking for a great deal on a new 2026 GMC Sierra 2500HD? Then head to Northtown Buick GMC for a warm welcome and to explore this legendary one-ton truck on our forecourt!
The 2026 GMC Sierra 2500HD is a real heavy-duty truck with incredible power, reliability and capability, and it’s designed to handle every challenge and road condition with ease. Trims include the luxurious Denali, and you can pick from models that span 1500 to 3500.
Check out the choice of a 6.6-litre V8 engine or a turbo-diesel engine, both with a ten-speed transmission to easily deliver 470hp and 975 lb-foot of torque.
Connected. Capable. Advanced.
The GMC Sierra 2500HD has an impressive driver safety and assistance stack, with technologies that include lane-keeping assistance, blind zone alert and adaptive cruise control. There’s an available head-up display, great in-cabin entertainment and connectivity and cutting-edge trailer optimization tech.
You’ll instantly spot the paired 7-inch infotainment screen and 13.4-inch digital display, in the cabin, ready to handle everything from nav and apps to infotainment.
Built to Turn Heads
The 2026 GMC Sierra 2500HD is a natural head turner with its impressive dimensions, boxy shape and assertive stance. There’s distinctive badging in the mix, with design-led LEDs and daytime running lights, plus fantastic paint shades and oversize wheels.
Enjoy plenty of options for customization and check out the in-cabin benefits such as flexible seating, ergonomic controls, contrast stitching and soft-touch fabrics.
A Proven Legacy of Excellence
At Northtown Buick GMC, we know the 2026 GMC Sierra 2500HD will perform strongly at the industry awards, as it comes from a line of Sierras that have previously dominated awards including the ALG Residual Value Award.
The Sierra also holds the maximum five stars for safety from the NHTSA. Head to Northtown Buick GMC today for your test drive!
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Frequently Asked Questions
What engine options are available on the 2026 GMC Sierra 2500HD?
The 2026 GMC Sierra 2500HD offers a choice of a 6.6-litre V8 engine or a turbo-diesel engine, both paired with a ten-speed transmission to easily deliver 470hp and 975 lb-foot of torque.
How much horsepower does the 2026 GMC Sierra 2500HD produce?
The 2026 GMC Sierra 2500HD delivers 470 horsepower and 975 lb-ft of torque, making it one of the most capable heavy-duty trucks in its class.
What driver assistance technologies does the 2026 Sierra 2500HD offer?
The 2026 GMC Sierra 2500HD features an impressive driver safety and assistance stack including lane-keeping assistance, blind zone alert, adaptive cruise control, an available head-up display, and cutting-edge trailer optimization technology.
What infotainment technology is inside the 2026 GMC Sierra 2500HD?
Inside the 2026 GMC Sierra 2500HD you’ll find a paired 7-inch infotainment screen and 13.4-inch digital display, ready to handle everything from nav and apps to in-cabin entertainment and connectivity.
What trims are available on the 2026 GMC Sierra 2500HD?
The 2026 GMC Sierra 2500HD is available across a range of trims including Pro, SLE, SLT, AT4, AT4X, and the luxurious Denali, spanning models from 1500 to 3500.
Where can I test drive the 2026 GMC Sierra 2500HD near Yankton, SD?
Head to Northtown Automotive Buick GMC at 3818 Broadway Ave, Yankton, SD 57078, for a test drive of the 2026 GMC Sierra 2500HD. We serve Yankton, Hartington, Vermillion, and surrounding South Dakota communities.
Horsepower, torque, and engine specifications sourced from gmc.com. Figures shown represent maximum available ratings and may vary by trim and configuration. ALG Residual Value Award and NHTSA safety ratings referenced from content document. No MSRP shown — see dealer for current pricing and availability. Northtown Automotive Buick GMC is located at 3818 Broadway Ave, Yankton, SD 57078, serving Yankton, Hartington, Vermillion, and surrounding South Dakota communities.