Used 2018 GMC Terrain for Sale near Erie, PA

## Summary - With 1,988 currently listed for sale on CarGurus and an **average price of $14,361.00**, 32.6% of 2018 GMC Terrains for sale on CarGurus are rated as good or great deals. - **Favorably reviewed:** Owners rated the 2018 GMC Terrain 4.54 / 5 stars. - **61.6% of 2018 Terrain models on CarGurus are accident free**. - The 2018 GMC Terrain features a redesigned body style, improved interior materials, and the option of three distinct engines, including a strong turbocharged 2.0L variant. ## Why it stands out The 2018 GMC Terrain stands out for its spacious interior and a range of engine options, appealing especially to those seeking versatility in a compact SUV. While it boasts a high-quality cabin with improved materials, owners appreciate the comfort, especially in its higher trim levels, which add various tech features. However, some reviews highlight concerns such as brake sensitivity and a lack of power in specific driving scenarios, particularly with the base engine. Overall, the 2018 Terrain offers a smoother driving experience than its predecessor, but those seeking the best performance should consider the available 2.0L turbo engine. ## Other model years to consider - **[2023 GMC Terrain](https://www.cargurus.com/Cars/l-Used-2023-GMC-Terrain-c32471)** - Average price: $23,297.00 - Good/great deal percentage: 31.4% - User rating: 5 / 5 - Total listings: 5,270 - **[2024 GMC Terrain](https://www.cargurus.com/Cars/l-Used-2024-GMC-Terrain-c33045)** - Average price: $23,322.00 - Good/great deal percentage: 31.7% - User rating: 5 / 5 - Total listings: 4,412 - **[2021 GMC Terrain](https://www.cargurus.com/Cars/l-Used-2021-GMC-Terrain-c30365)** - Average price: $18,545.00 - Good/great deal percentage: 32.9% - User rating: 5 / 5 - Total listings: 2,850 This analysis is based on CarGurus' proprietary market data from February 23, 2026, CarGurus experts' opinions, and generative AI.