Looking for a large pickup with cutting-edge safety technologies and high-end build credentials? Then check out the impressive 2026 GMC Sierra 3500HD, with its choice of 6.6L V8 gas engine or 6.6L Duramax turbo diesel engine, paired with a ten-speed automatic transmission. Standout features include the advanced trailering technology, impressive touchscreen infotainment screen, impressive towing, adaptive cruise control and Multi-Pro tailgate. There’s also a wide range of trims and customization options, and the Denali Ultimate is a particularly exciting choice if you love premium finishes.
The 2026 GMC Sierra 3500HD offers up to 20,000 lbs of towing, and a max payload of 3,945 lbs, depending on your configuration. The driver safety and assistance stack is particularly impressive, with and innovative snow plow feature for bad weather, audio start, adaptive cruise control and an available head-up display.
2026 GMC Sierra 3500HD Pro*Starting at $56,995 |
2026 GMC Sierra 3500HD SLE*Starting at $61,195 |
2026 GMC Sierra 3500HD SLT*Starting at $68,495 |
2026 GMC Sierra 3500HD AT4*Starting at $75,395 |
2026 GMC Sierra 3500HD Denali*Starting at $78,695 |
2026 GMC Sierra 3500HD Denali Ultimate*Starting at $99,795 |
The GMC Sierra 3500HD is refreshed for 2026 with LED lighting, daytime running lights, and a configurable Multi-Pro tailgate. Check out the spray-in bed liner, tie-downs and 120-volt power outlet. Some models have bed steps too. There’s a range of wheel options, plenty of legroom, comfortable seats and a great range of colors to choose from!
We expect the 2026 GMC Sierra 3500HD to do well in the industry awards as it’s always been a top favorite, and has one of the highest residual figures for pickups in the industry. Last year it was voted North American Car of the Year for its build, performance and safety stack. Head to Boucher Buick GMC Waukesha to organize your test drive today!
The 2026 GMC Sierra 3500HD starts at $56,995 with the Pro trim level.
The 2026 GMC Sierra 3500HD can tow up to 36,000 pounds..
The Manufacturer's Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees and optional equipment. Dealer sets final price. Click here to see all GMC vehicles' destination freight charges.