New & Used 2026 GMC Terrain for Sale near Decatur, GA

## Summary - With 596 currently listed for sale on CarGurus and an **average price of $34,160.00**, 35.1% of 2026 GMC Terrains for sale on CarGurus are rated as good or great deals. - **95.3% of 2026 Terrain models on CarGurus are accident free**. ## Why it stands out The 2026 GMC Terrain offers a compelling choice in the compact SUV market with its striking design, particularly for those seeking an adventurous option, thanks to the Terrain AT4 edition. The latest model features a refined 1.5-liter turbocharged engine that balances power and fuel efficiency, boasting up to 26 miles per gallon in the city and 28 mpg on the highway. The introduction of a user-friendly 15-inch touchscreen that integrates the latest GMC infotainment system, along with premium interior options, elevates the overall driving experience. However, while the Terrain provides ample comfort, its cargo capacity—29.8 cubic feet with the rear seats in place—is smaller than many rivals, which might be a consideration for buyers needing more space. Overall, the 2026 GMC Terrain is an appealing option for buyers who value a comfortable ride with a robust feature set while being mindful of space limitations compared to competitors. ## Other model years to consider - **[2023 GMC Terrain](https://www.cargurus.com/Cars/l-Used-2023-GMC-Terrain-c32471)** - Average price: $23,631.00 - Good/great deal percentage: 29.0% - User rating: 5 / 5 - Total listings: 4,973 - **[2024 GMC Terrain](https://www.cargurus.com/Cars/l-Used-2024-GMC-Terrain-c33045)** - Average price: $23,581.00 - Good/great deal percentage: 29.6% - User rating: 5 / 5 - Total listings: 4,206 - **[2021 GMC Terrain](https://www.cargurus.com/Cars/l-Used-2021-GMC-Terrain-c30365)** - Average price: $18,639.00 - Good/great deal percentage: 32.4% - User rating: 5 / 5 - Total listings: 2,508 This analysis is based on CarGurus' proprietary market data from March 9, 2026, CarGurus experts' opinions, and generative AI.