New & Used 2025 GMC Sierra 3500HD for Sale near Port Lambton, ON

## Summary - With 116 currently listed for sale and an **average price of $96,842.00 CAD**, 35.3% 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 known for its exceptional capabilities, particularly in towing and hauling, with a maximum payload capacity of 3,375 kilograms and a towing limit that soars to 16,100 kilograms. This makes it an ideal choice for those requiring a robust workhorse. The Sierra's refinement shines through especially in higher trims such as the Denali, which offers a luxurious experience with advanced technology and comfort features. Aside from its power, it distinguishes itself with smart tech for towing and off-roading, making it a versatile option for both work and leisure. However, potential buyers should consider that top-trim models can be quite pricey and the larger body might present challenges in tighter spaces. The expert report highlights these attributes while emphasizing that newer generations tend to be more reliable and technically advanced compared to older models. ## 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 - **[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% - Accident-free percentage: 100.0% - Total listings: 140 - **[2021 GMC Sierra 3500HD](https://www.cargurus.ca/Cars/l-Used-2021-GMC-Sierra-3500HD-c30861)** - Average price: $68,175.00 CAD - Good/great deal percentage: 20.7% - User rating: 5 / 5 - Total listings: 87 This analysis is based on CarGurus' proprietary market data from May 11, 2026, CarGurus experts' opinions, and generative AI.