Bring absolute command and control to your toughest towing tasks with the 2021 GMC Sierra 3500HD. And because it’s a GMC, you’ll also find hard working innovations, intelligent upgrades in trailering tech like the industry-first available transparent trailer view, and the spacious comfort you’d expect in the heavy duty version of Professional Grade. The 2021 Sierra 3500HD is available in five trim levels — the Sierra 3500HD base, SLE, SLT, AT4, and Denali. Learn which 2021 Sierra 3500HD trim fits your vision of a powerful trucking experience by using the following research guide created by the team at Buick GMC of Rochester.
Shop the 2021 Sierra 3500HD inventory at our Rochester, MN, dealership. Be sure to schedule a test drive, then take advantage of our current GMC offers. Contact the Buick GMC of Rochester sales team online or at (507) 288-1811 with any questions.
Whether you choose the base Sierra 3500HD, off-road ready AT4, or ascend to the pinnacle of Professional Grade with the Denali trim, find your ideal heavy duty GMC truck in the list of trims below.
Select a Trim
How much heavy duty power do you need? The properly equipped 6.6L gas V8 gives you up to 7,442 pounds of maximum payload capacity. But the properly equipped 6.6L Duramax V8 gives you up to 36,000 pounds of maximum towing. Use the table below to decide which engine you want with your 2021 GMC Sierra 3500HD base, SLE, SLT, AT4, or Denali.
|6.6L V8 gasoline||Engine||6.6L Duramax turbo diesel V8|
|Six-speed automatic||Transmission||Allison® ten-speed automatic|
|401 HP||Horsepower||445 HP|
|464 lb.-ft.||Torque||910 lb.-ft.|
Step into best-in-class crew cab front head and leg room, or best-in-class heavy duty cargo bed volume with one of the following 2021 GMC Sierra 3500 HD cab and bed configurations.