Used 2020 GMC Sierra 3500HD for Sale near Alberta

## Summary - With 58 currently listed for sale and an **average price of $57,648.00 CAD**, 25.9% of 2020 GMC Sierra 3500HDs for sale on CarGurus are rated as good or great deals. - **5 / 5 stars** rating from owners indicates a strong owner satisfaction level. - **100.0% of 2020 Sierra 3500HD models on CarGurus are accident free**. ## Why it stands out The 2020 GMC Sierra 3500HD stands out in the heavy-duty truck category thanks to its exceptional towing and hauling capabilities, along with a reputation for comfort and solid build quality. Owners appreciate its ability to manage substantial loads with ease, making it an ideal choice for work and recreational uses alike. Notable features include a powerful 6.6-litre V8 engine generating 401 horsepower, providing robust performance. While the Sierra 3500HD has evolved to include more luxury and technology options, particularly in higher trims like the Denali, it still retains its roots as a dependable workhorse. However, potential buyers should be aware that some customers wish for additional features such as a CD player and better lumbar support adjustments. Overall, the Sierra 3500HD remains a competitive choice against rivals like the Ford F-350 and Ram 3500. ## Other model years to consider - **[2024 GMC Sierra 3500HD](https://www.cargurus.ca/Cars/l-Used-2024-GMC-Sierra-3500HD-c32775)** - Average price: $82,758.00 CAD - Good/great deal percentage: 29.3% - User rating: 5 / 5 - Total listings: 164 - **[2025 GMC Sierra 3500HD](https://www.cargurus.ca/Cars/l-Used-2025-GMC-Sierra-3500HD-c33463)** - Average price: $98,301.00 CAD - Good/great deal percentage: 29.2% - User rating: 5 / 5 - Total listings: 130 - **[2023 GMC Sierra 3500HD](https://www.cargurus.ca/Cars/l-Used-2023-GMC-Sierra-3500HD-c32422)** - Average price: $75,835.00 CAD - Good/great deal percentage: 25.5% - Accident-free percentage: 100.0% - Total listings: 141 This analysis is based on CarGurus' proprietary market data from April 27, 2026, CarGurus experts' opinions, and generative AI.