Used GMC Sierra 1500 for Sale near O Fallon, MO

## Summary - With 7,230 currently listed for sale on CarGurus and an **average price of $53,825.00**, 34.5% of 2025 GMC Sierras for sale on CarGurus are rated as good or great deals. - **5 / 5 stars** rated by owners. - **95.0% of 2025 Sierra models on CarGurus are accident free**. - The 2025 GMC Sierra 1500 features an upscale design with a luxurious cabin, advanced technology options, and a powerful engine lineup, including a 3.0-liter Duramax turbodiesel that delivers strong performance. ## Why it stands out The 2025 GMC Sierra 1500 stands out in the full-size pickup truck market due to its blend of luxury and utility. With a reputation for combining rugged capability with a refined interior, this model appeals to buyers looking for a versatile truck that serves both work and family needs. The luxurious Denali trims offer top-of-the-line features, while the AT4 and AT4X trims provide robust off-road capabilities, appealing to adventure-seekers. Advanced tech features, such as improved infotainment systems, further enhance the driving experience, making the 2025 Sierra 1500 a compelling choice for those wanting style and substance. ## Other model years to consider - **[2024 GMC Sierra 1500](https://www.cargurus.com/Cars/l-Used-2024-GMC-Sierra-1500-c32900)** - Average price: $50,479.00 - Good/great deal percentage: 34.0% - User rating: 4.67 / 5 - Total listings: 9,598 - **[2023 GMC Sierra 1500](https://www.cargurus.com/Cars/l-Used-2023-GMC-Sierra-1500-c32269)** - Average price: $46,479.00 - Good/great deal percentage: 34.4% - User rating: 4.47 / 5 - Total listings: 9,640 - **[2021 GMC Sierra 1500](https://www.cargurus.com/Cars/l-Used-2021-GMC-Sierra-1500-c30942)** - Average price: $35,803.00 - Good/great deal percentage: 35.1% - User rating: 4.87 / 5 - Total listings: 7,774 These recommendations are based on CarGurus' proprietary market data from February 9, 2026, CarGurus experts' opinions, and generative AI.