New & Used 2025 GMC Sierra 3500HD for Sale near El Reno, OK

## Summary - With 1,147 currently listed for sale and an **average price of $78,831.00**, 30.6% of 2025 GMC Sierra 3500HD models for sale on CarGurus are rated as good or great deals. - **95.5% of 2025 Sierra 3500HD models on CarGurus are accident free**. - The 2025 GMC Sierra 3500HD stands out with impressive towing and hauling capabilities, exceptional technology for modern driving, and luxury options in higher trims. ## Why it stands out The 2025 GMC Sierra 3500HD continues its legacy as a robust and luxurious heavy-duty pickup truck. It is engineered for those who demand power, capability, and comfort, making it distinct among the competition. Its ability to tow up to 35,500 pounds—depending on the configuration—combined with a payload capacity of 7,442 pounds, makes it one of the top contenders for serious hauling tasks. The availability of advanced technology features, including trailer tow assist and innovative safety systems, enhances both performance and peace of mind for drivers. As for luxury, top-tier trims like the Denali offer premium interiors and high-end amenities, appealing to buyers looking for sophistication alongside strength. However, potential owners should consider that the larger size may present challenges in tight parking situations, and top trims can reach extremely high prices. ## Other model years to consider - **[2023 GMC Sierra 3500HD](https://www.cargurus.com/Cars/l-Used-2023-GMC-Sierra-3500HD-c32422)** - Average price: $57,994.00 - Good/great deal percentage: 33.4% - User rating: 5 / 5 - Total listings: 1,400 - **[2024 GMC Sierra 3500HD](https://www.cargurus.com/Cars/l-Used-2024-GMC-Sierra-3500HD-c32775)** - Average price: $69,516.00 - Good/great deal percentage: 31.8% - User rating: 5 / 5 - Total listings: 1,394 - **[2021 GMC Sierra 3500HD](https://www.cargurus.com/Cars/l-Used-2021-GMC-Sierra-3500HD-c30861)** - Average price: $53,108.00 - Good/great deal percentage: 32.8% - User rating: 5 / 5 - Total listings: 744 This analysis is based on CarGurus' proprietary market data from March 20, 2026, CarGurus experts' opinions, and generative AI.