New & Used 2025 GMC Sierra 2500HD for Sale near Thornhill, ON

## Summary - With 130 currently listed for sale and an **average price of $94,191.00 CAD**, 26.9% of 2025 GMC Sierras 2500HD for sale on CarGurus are rated as good or great deals. - **Favourably reviewed:** Owners rated the 2025 GMC Sierra 2500HD 5 / 5 stars. - **100.0% of 2025 Sierra 2500HD models on CarGurus are accident free**. ## Why it stands out The 2025 GMC Sierra 2500HD is a robust three-quarter-ton heavy-duty pickup truck that stands out in the competitive market for its combination of luxury and capability. Known for its upscale features and "Professional Grade" appeal, this truck offers a comfortable ride and high-end amenities that set it apart from competitors like the Ford F-Series and Ram Heavy-Duty trucks. It has been designed to cater to both consumer and fleet applications, ensuring it meets a wide range of needs. Notably, the Sierra 2500HD shares many modern technologies and comfort features with its lighter sibling, the Sierra 1500, such as advanced infotainment options and safety tech. The model's exceptional reliability, highlighted by a perfect safety record, makes it a compelling choice for buyers seeking a dependable workhorse without sacrificing comfort. ## Other model years to consider - **[2021 GMC Sierra 2500HD](https://www.cargurus.ca/Cars/l-Used-2021-GMC-Sierra-2500HD-c30860)** - Average price: $55,795.00 CAD - Good/great deal percentage: 32.8% - User rating: 5 / 5 - Total listings: 61 - **[2024 GMC Sierra 2500HD](https://www.cargurus.ca/Cars/l-Used-2024-GMC-Sierra-2500HD-c32774)** - Average price: $79,917.00 CAD - Good/great deal percentage: 29.0% - User rating: 4 / 5 - Total listings: 145 - **[2023 GMC Sierra 2500HD](https://www.cargurus.ca/Cars/l-Used-2023-GMC-Sierra-2500HD-c32421)** - Average price: $72,065.00 CAD - Good/great deal percentage: 31.9% - User rating: 4 / 5 - Total listings: 135 This analysis is based on CarGurus' proprietary market data from May 25, 2026, CarGurus experts' opinions, and generative AI.