Used 2018 GMC Terrain for Sale near Innisfil, ON

## Summary - With 259 currently listed for sale and an **average price of $17,935.00 CAD**, 24.7% of 2018 GMC Terrains for sale on CarGurus are rated as good or great deals. - **Favourably reviewed:** Owners rated the 2018 GMC Terrain 4.54 / 5 stars. - **100.0% of 2018 Terrain models on CarGurus are accident free**. ## Why it stands out The 2018 GMC Terrain is a standout in the compact SUV segment, praised for its comfort and spaciousness. Many owners appreciate the smooth driving experience, particularly noting the 2.0L turbocharged engine for delivering an enjoyable performance. However, some reviews have pointed out concerns such as the brake sensitivity and occasional lack of power in specific driving situations, alongside certain pricing issues. The Terrain is stylish and has features that offer both practicality and a premium feel, especially in higher trim levels like the Denali. The vehicle’s versatility and lineup of advanced safety technologies make it an appealing choice for families and individuals alike, although it may face competition from rivals like the Honda CR-V and Toyota RAV4. With a 100% accident-free rate, buyers can feel assured about the vehicle's condition when purchasing a used model. ## Other model years to consider - **[2023 GMC Terrain](https://www.cargurus.ca/Cars/l-Used-2023-GMC-Terrain-c32471)** - Average price: $28,689.00 CAD - Good/great deal percentage: 32.0% - User rating: 5 / 5 - Total listings: 819 - **[2024 GMC Terrain](https://www.cargurus.ca/Cars/l-Used-2024-GMC-Terrain-c33045)** - Average price: $31,246.00 CAD - Good/great deal percentage: 34.1% - User rating: 5 / 5 - Total listings: 621 - **[2021 GMC Terrain](https://www.cargurus.ca/Cars/l-Used-2021-GMC-Terrain-c30365)** - Average price: $23,001.00 CAD - Good/great deal percentage: 25.5% - User rating: 5 / 5 - Total listings: 384 This analysis is based on CarGurus' proprietary market data from April 6, 2026, CarGurus experts' opinions, and generative AI.