Used 2021 GMC Sierra 2500HD for Sale near Brampton, ON

## Summary - With 65 currently listed for sale and an **average price of $57,825.00 CAD**, 24.6% of 2021 GMC Sierra 2500HDs for sale on CarGurus are rated as good or great deals. - **Favourably reviewed:** Owners rated the 2021 GMC Sierra 2500HD 5 / 5 stars. - **100.0% of 2021 Sierra 2500HD models on CarGurus are accident free**. ## Why it stands out The 2021 GMC Sierra 2500HD is a strong contender in the heavy-duty truck segment, known for its robust construction and upscale features compared to its Chevrolet counterpart. The Sierra 2500HD is equipped with advanced technology, comfort amenities, and is praised for its accident-free track record. The models offer multiple trim levels, including luxurious options like Denali and Denali Ultimate, which provide high-quality interiors and additional comfort features. While it may be more expensive than some rivals, the overall value comes from its blend of power, capability, and refined design. The absence of any accident history also speaks volumes about the quality and reliability of this truck. ## Other model years to consider - **[2023 GMC Sierra 2500HD](https://www.cargurus.ca/Cars/l-Used-2023-GMC-Sierra-2500HD-c32421)** - Average price: $72,164.00 CAD - Good/great deal percentage: 29.6% - User rating: 4 / 5 - Total listings: 135 - **[2024 GMC Sierra 2500HD](https://www.cargurus.ca/Cars/l-Used-2024-GMC-Sierra-2500HD-c32774)** - Average price: $79,507.00 CAD - Good/great deal percentage: 27.5% - User rating: 4 / 5 - Total listings: 138 - **[2025 GMC Sierra 2500HD](https://www.cargurus.ca/Cars/l-Used-2025-GMC-Sierra-2500HD-c33462)** - Average price: $94,975.00 CAD - Good/great deal percentage: 24.2% - User rating: 5 / 5 - Total listings: 120 This analysis is based on CarGurus' proprietary market data from May 18, 2026, CarGurus experts' opinions, and generative AI.