New & Used 2025 GMC Sierra 3500HD for Sale near Clinton, CT

## Summary - With 1,136 currently listed for sale on CarGurus and an **average price of $79,787.00**, 31.7% of 2025 GMC Sierra 3500HDs for sale on CarGurus are rated as good or great deals. - **95.3% of 2025 Sierra 3500HD models on CarGurus are accident-free.** ## Why it stands out The 2025 GMC Sierra 3500HD is a formidable heavy-duty truck that combines rugged capability with modern refinements, making it a strong choice for both work and daily driving. This model year stands out due to its remarkable hauling and towing capabilities, which cater to truck enthusiasts and those requiring superior performance for heavy-duty tasks. The Sierra 3500HD retains a commercial-grade essence while appealing to buyers looking for increased luxury and features, particularly in the higher-end Denali trims. Notable advancements over previous models include enhanced technology for towing and off-roading purposes, positioning it as a versatile option in the heavy-duty truck segment. However, it’s important to note that while it provides a luxurious experience in its higher trims, the top configurations can climb in price significantly, which might be a consideration for budget-conscious buyers. ## Other model years to consider - **[2023 GMC Sierra 3500HD](https://www.cargurus.com/Cars/l-Used-2023-GMC-Sierra-3500HD-c32422)** - Average price: $58,422.00 - Good/great deal percentage: 34.9% - User rating: 5 / 5 - Total listings: 1,515 - **[2024 GMC Sierra 3500HD](https://www.cargurus.com/Cars/l-Used-2024-GMC-Sierra-3500HD-c32775)** - Average price: $69,501.00 - Good/great deal percentage: 32.6% - User rating: 5 / 5 - Total listings: 1,462 - **[2021 GMC Sierra 3500HD](https://www.cargurus.com/Cars/l-Used-2021-GMC-Sierra-3500HD-c30861)** - Average price: $53,415.00 - Good/great deal percentage: 38.0% - User rating: 5 / 5 - Total listings: 840 This analysis is based on CarGurus' proprietary market data from February 11, 2026, CarGurus experts' opinions, and generative AI.