GMC Sierra 2500HD 2021 for sale

GMC Sierra 2500HD 2021

The 2021 GMC Sierra 2500HD is available with the 6.6-litre petrol V8 at 401 horsepower or the Duramax 6.6-litre L5P turbodiesel at 445 horsepower and 910 lb-ft of torque, paired with the Allison ten-speed automatic. Maximum conventional tow rating exceeds 14,500 kg in the appropriate configuration. The Denali trim receives a 13.4-inch infotainment display in 2021 — the largest factory-fitted screen in the Canadian heavy-duty truck segment at this model year. The independent front suspension on double-wishbone geometry improves daily-driving behaviour compared to solid-front-axle competitors, an advantage for buyers using the truck as a daily driver in addition to towing duties. The AT4 off-road variant introduced in 2020 carries over with Rancho monotube dampers, a skid plate package, and increased ground clearance. Diesel examples from this year benefitted from complete electronic component availability, unlike 2022 production that was impacted by semiconductor shortages. Inspect the diesel particulate filter and SCR catalyst condition on any unit that has operated primarily in urban, low-load conditions.