New & Used 2025 GMC Sierra 3500HD for Sale near Okotoks, AB

## Summary - With 130 currently listed for sale and an **average price of $98,301.00 CAD**, 29.2% of 2025 GMC Sierra 3500HDs for sale on CarGurus are rated as good or great deals. - **Favourably reviewed:** Owners rated the 2025 GMC Sierra 3500HD 5 / 5 stars. - **100.0% of 2025 Sierra 3500HD models on CarGurus are accident-free**. ## Why it stands out The 2025 GMC Sierra 3500HD is recognized for its impressive hauling and towing capabilities, making it a top choice for heavy-duty truck enthusiasts. With an outstanding payload capacity of up to 3,375 kilograms (7,442 pounds) and a towing capability that can reach up to 16,100 kilograms (35,500 pounds) with the right configuration, it's built for serious work. The interior also sets itself apart with both comfort and advanced technology, especially in the higher trims like the Denali, which offers luxurious features and smart tech for towing. The 2025 model continues to benefit from improvements made in previous generations, including enhanced safety features like forward collision alert and lane departure warning. However, while the Sierra 3500HD shines in its capabilities and refined offerings, it can be cumbersome to navigate in tight spaces, and its top trims come with a hefty price tag. Overall, the 2025 GMC Sierra 3500HD provides a well-rounded package for those requiring robust performance combined with a more upscale experience. ## 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 - **[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% - Total listings: 141 - **[2020 GMC Sierra 3500HD](https://www.cargurus.ca/Cars/l-Used-2020-GMC-Sierra-3500HD-c28994)** - Average price: $57,648.00 CAD - Good/great deal percentage: 25.9% - User rating: 5 / 5 - Total listings: 58 This analysis is based on CarGurus' proprietary market data from April 27, 2026, CarGurus experts' opinions, and generative AI.