Used 2020 GMC Sierra 3500HD for Sale near Saint-Eustache, QC

## Summary - With 60 currently listed for sale and an **average price of $59,057.00 CAD**, 25.0% of 2020 GMC Sierra 3500HDs for sale on CarGurus are rated as good or great deals. - **Favourably reviewed:** Owners rated the 2020 GMC Sierra 3500HD 5 / 5 stars. - **100.0% of 2020 Sierra 3500HD models on CarGurus are accident free**. ## Why it stands out The 2020 GMC Sierra 3500HD distinguishes itself in the heavy-duty truck market with its impressive towing capacity and robust performance, making it an ideal choice for those who need a vehicle capable of handling substantial loads. It is particularly noted for its luxurious options, especially in higher trims like the Denali, which offer a level of refinement and comfort that appeals to buyers looking for more than just a work truck. Additionally, the Sierra 3500HD features advanced technology and smart systems geared towards enhancing towing and off-roading capabilities. While it faces some competition from the likes of the Ford F-350 and Ram 3500, the Sierra’s balanced blend of performance, luxury, and reliability often results in strong customer satisfaction. Owners appreciate the well-built nature of the truck; however, some have expressed the desire for more lumbar support adjustments, along with a notable absence of certain features like a CD player. ## Other model years to consider - **[2024 GMC Sierra 3500HD](https://www.cargurus.ca/Cars/l-Used-2024-GMC-Sierra-3500HD-c32775)** - Average price: $82,176.00 CAD - Good/great deal percentage: 31.5% - User rating: 5 / 5 - Total listings: 146 - **[2025 GMC Sierra 3500HD](https://www.cargurus.ca/Cars/l-Used-2025-GMC-Sierra-3500HD-c33463)** - Average price: $96,842.00 CAD - Good/great deal percentage: 35.3% - User rating: 5 / 5 - Total listings: 116 - **[2023 GMC Sierra 3500HD](https://www.cargurus.ca/Cars/l-Used-2023-GMC-Sierra-3500HD-c32422)** - Average price: $76,033.00 CAD - Good/great deal percentage: 27.1% - Total listings: 140 This analysis is based on CarGurus' proprietary market data from May 11, 2026, CarGurus experts' opinions, and generative AI.