Used GMC Sierra 3500HD for Sale near Unityville, PA

## Summary - With 1,404 currently listed for sale on CarGurus and an **average price of $57,903**, 31.8% of 2023 GMC Sierra 3500HDs for sale on CarGurus are rated as good or great deals. - **Favorably reviewed:** Owners rated the 2023 GMC Sierra 3500HD 5 / 5 stars. - **91.3% of 2023 Sierra 3500HD models on CarGurus are accident free**. - The 2023 GMC Sierra 3500HD is known for its outstanding towing capacity and powerful performance, making it an excellent choice for heavy-duty tasks. ## Why it stands out The 2023 GMC Sierra 3500HD distinguishes itself with its impressive capabilities, featuring robust towing and hauling power that meets the demands of work and play. Available with a choice of two potent engines, including a powerful Duramax turbodiesel, this model boasts advanced technology and luxurious options, particularly in the higher trim levels. Its spacious interior and smooth ride enhance comfort, appealing to both work-oriented buyers and those seeking a premium truck experience. The Sierra 3500HD also includes modern infotainment features, making it not just a heavy-duty truck but a versatile vehicle for various driving needs. ## Other model years to consider - **[2024 GMC Sierra 3500HD](https://www.cargurus.com/Cars/l-Used-2024-GMC-Sierra-3500HD-c32775)** - Average price: $69,594 - Good/great deal percentage: 30.2% - 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: $52,764 - Good/great deal percentage: 34.9% - User rating: 5 / 5 - Total listings: 767 - **[2019 GMC Sierra 3500HD](https://www.cargurus.com/Cars/l-Used-2019-GMC-Sierra-3500HD-c27682)** - Average price: $45,070 - Good/great deal percentage: 31.9% - User rating: 5 / 5 - Total listings: 486 These recommendations are based on CarGurus' proprietary market data from March 9, 2026, CarGurus experts' opinions, and generative AI.