Used 2017 GMC Sierra 2500HD for Sale near Castle Rock, CO

## Summary - With 721 currently listed for sale on CarGurus and an **average price of $34,678.00**, 30.5% of 2017 GMC Sierra 2500HDs for sale on CarGurus are rated as good or great deals. - Owners rated the 2017 GMC Sierra 2500HD 3.33 / 5 stars. - **65.3% of 2017 Sierra 2500HD models on CarGurus are accident free**. - The 2017 GMC Sierra 2500HD is noted for its strong towing capabilities and is equipped with many advanced technology features, ensuring a balance of rugged capability and comfort. ## Why it stands out The 2017 GMC Sierra 2500HD is recognized for its robust performance and technological advancements, making it a strong contender in the heavy-duty truck segment. It typically offers superior interior quality compared to some competitors, which often favor practicality over luxury. For this model year, buyers can expect a well-trimmed interior that aligns with GMC's "Professional Grade" branding. Additionally, the Sierra 2500HD shines in towing capacities, making it ideal for both work and recreational activities. Despite its strengths, potential buyers should be aware that some users have noted a mixed reliability history and varying build quality, particularly in older vehicles. ## Other model years to consider - **[2023 GMC Sierra 2500HD](https://www.cargurus.com/Cars/l-Used-2023-GMC-Sierra-2500HD-c32421)** - Average price: $56,826.00 - Good/great deal percentage: 33.5% - User rating: 4.33 / 5 - Total listings: 3,521 - **[2020 GMC Sierra 2500HD](https://www.cargurus.com/Cars/l-Used-2020-GMC-Sierra-2500HD-c28993)** - Average price: $49,094.00 - Good/great deal percentage: 32.5% - User rating: 4.88 / 5 - Total listings: 1,366 - **[2021 GMC Sierra 2500HD](https://www.cargurus.com/Cars/l-Used-2021-GMC-Sierra-2500HD-c30860)** - Average price: $50,644.00 - Good/great deal percentage: 32.5% - User rating: 4.69 / 5 - Total listings: 1,969 This analysis is based on CarGurus' proprietary market data from March 2, 2026, CarGurus experts' opinions, and generative AI.