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

## Summary - With 1,097 currently listed for sale on CarGurus and an **average price of $79,399.00**, 28.2% of 2025 GMC Sierra 3500HDs for sale on CarGurus are rated as good or great deals. - **95.8% of 2025 Sierra 3500HD models on CarGurus are accident free**. - The 2025 GMC Sierra 3500HD enhances its reputation as a heavy-duty workhorse, offering superior towing capabilities and a range of luxurious features, especially at higher trim levels. ## Why it stands out The 2025 GMC Sierra 3500HD continues to deliver impressive performance and capabilities that cater to buyers who need a robust work truck. With a tow capacity significantly enhanced over previous generations, it allows for a maximum towing capability of up to 35,500 pounds. This model year features multiple trim options—from the basic work-oriented version to the upscale Denali that offers a suite of luxury features. Additionally, this Sierra showcases advanced technology for towing and superior comfort in the cabin. The high accident-free percentage signals reliability in the used market, making it an attractive option for those seeking both performance and safety. ## Other model years to consider - **[2023 GMC Sierra 3500HD](https://www.cargurus.com/Cars/l-Used-2023-GMC-Sierra-3500HD-c32422)** - Average price: $57,732.00 - Good/great deal percentage: 29.8% - User rating: 5 / 5 - Total listings: 1,416 - **[2024 GMC Sierra 3500HD](https://www.cargurus.com/Cars/l-Used-2024-GMC-Sierra-3500HD-c32775)** - Average price: $69,430.00 - Good/great deal percentage: 29.1% - User rating: 5 / 5 - Total listings: 1,375 - **[2021 GMC Sierra 3500HD](https://www.cargurus.com/Cars/l-Used-2021-GMC-Sierra-3500HD-c30861)** - Average price: $53,430.00 - Good/great deal percentage: 32.0% - User rating: 5 / 5 - Total listings: 749 This analysis is based on CarGurus' proprietary market data from March 2, 2026, CarGurus experts' opinions, and generative AI.