Used GMC Terrain for Sale near O Fallon, MO

## Summary - With 9,402 currently listed for sale on CarGurus and an **average price of $19,261.00**, **28.5%** of 2023 GMC Terrains for sale on CarGurus are rated as good or great deals. - **4.42 / 5 stars** - **77.3% of 2023 Terrain models on CarGurus are accident free**. - The 2023 GMC Terrain features a roomy cabin, great safety ratings, and impressive off-road capabilities, particularly in the AT4 trim. ## Why it stands out The 2023 GMC Terrain is a qualified player in the compact SUV market, making it a compelling option for buyers focused on comfort, safety, and versatility. Sharing much of its architecture with the Chevrolet Equinox, the Terrain excels with its more rugged styling that appeals to those looking for a sportier SUV aesthetic. Standard safety features are robust, including advanced driver assistance systems, which contribute to its solid safety ratings. The cabin is spacious, accommodating four adults with ease, while cargo capacity remains decent for day-to-day needs, although not the largest in the class. With the Terrain AT4's off-road capabilities and the luxurious Denali trim available, the 2023 GMC Terrain successfully caters to a variety of consumer preferences. ## Other model years to consider - **[2024 GMC Terrain](https://www.cargurus.com/Cars/l-Used-GMC-Terrain-d2042)** - Average price: $20,000.00 - Good/great deal percentage: 28.0% - User rating: 4.39 / 5 - Total listings: 8,345 - **[2022 GMC Terrain](https://www.cargurus.com/Cars/l-Used-GMC-Terrain-d2042)** - Average price: $23,450.00 - Good/great deal percentage: 30.5% - User rating: 4.30 / 5 - Total listings: 7,215 These recommendations are based on CarGurus' proprietary market data from February 19, 2026, CarGurus experts' opinions, and generative AI.