Used 2021 GMC Sierra 2500HD for Sale near Baton Rouge, LA

## Summary - With 1,921 currently listed for sale and an **average price of $50,652.00**, 30.8% of 2021 GMC Sierra 2500HDs for sale on CarGurus are rated as good or great deals. - **Favorably reviewed:** Owners rated the 2021 GMC Sierra 2500HD 4.69 / 5 stars. - **79.9% of 2021 Sierra 2500HD models on CarGurus are accident free**. ## Why it stands out The 2021 GMC Sierra 2500HD is a standout in the heavy-duty truck segment, known for its robust construction and upscale features compared to competitors. This model offers a solid performance with a strong V8 engine and a variety of trim options that cater to both utility and comfort needs. It's appreciated for its generous technology offerings, including an advanced infotainment system, Bluetooth compatibility, and available upscale touches in higher trims like Denali. Many owners praise the truck’s handling and overall ride comfort, making it appealing for both everyday driving and towing tasks. However, buyers should consider the potential for common issues found in heavy-duty trucks such as electrical glitches, making research essential before purchasing. ## Other model years to consider - **[2025 GMC Sierra 2500HD](https://www.cargurus.com/Cars/l-Used-2025-GMC-Sierra-2500HD-c33462)** - Average price: $76,432.00 - Good/great deal percentage: 33.9% - User rating: 5 / 5 - Total listings: 3,077 - **[2023 GMC Sierra 2500HD](https://www.cargurus.com/Cars/l-Used-2023-GMC-Sierra-2500HD-c32421)** - Average price: $56,796.00 - Good/great deal percentage: 32.3% - User rating: 4.33 / 5 - Total listings: 3,494 - **[2020 GMC Sierra 2500HD](https://www.cargurus.com/Cars/l-Used-2020-GMC-Sierra-2500HD-c28993)** - Average price: $49,086.00 - Good/great deal percentage: 31.5% - User rating: 4.88 / 5 - Total listings: 1,325 This analysis is based on CarGurus' proprietary market data from March 23, 2026, CarGurus experts' opinions, and generative AI.