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

## Summary - With 62 currently listed for sale and an **average price of $60,133.00 CAD**, 37.1% 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**. - The 2021 GMC Sierra 2500HD is known for its upscale design, impressive technology features, and robust performance, making it a strong contender in the heavy-duty pickup truck market. ## Why it stands out The 2021 GMC Sierra 2500HD sets itself apart in the heavy-duty truck segment with its combination of luxury and functionality. It features cutting-edge technology and comfort amenities that are on par with the more refined GMC Sierra 1500, appealing to buyers who want a workhorse that doesn't compromise on upscale finishes. The Sierra 2500HD is often described as a more premium alternative to its Chevrolet cousin, the Silverado 2500HD, with notable trim levels such as Denali and Denali Ultimate offering enhanced luxury options like premium leather seats and advanced infotainment systems. Despite its strengths, potential buyers should be cautious of its higher price point compared to some rivals that may provide greater towing capacity, especially when considering earlier model years that may have reliability issues. ## Other model years to consider - **[2023 GMC Sierra 2500HD](https://www.cargurus.ca/Cars/l-Used-2023-GMC-Sierra-2500HD-c32421)** - Average price: $72,811.00 CAD - Good/great deal percentage: 27.5% - User rating: 4 / 5 - Total listings: 120 - **[2024 GMC Sierra 2500HD](https://www.cargurus.ca/Cars/l-Used-2024-GMC-Sierra-2500HD-c32774)** - Average price: $80,518.00 CAD - Good/great deal percentage: 26.2% - User rating: 4 / 5 - Total listings: 130 - **[2025 GMC Sierra 2500HD](https://www.cargurus.ca/Cars/l-Used-2025-GMC-Sierra-2500HD-c33462)** - Average price: $94,003.00 CAD - Good/great deal percentage: 26.9% - User rating: 5 / 5 - Total listings: 108 This analysis is based on CarGurus' proprietary market data from April 20, 2026, CarGurus experts' opinions, and generative AI.