Used 2021 GMC Terrain for Sale near Ontario

## Summary - With 384 currently listed for sale and an **average price of $23,001.00 CAD**, 25.5% of 2021 GMC Terrains for sale on CarGurus are rated as good or great deals. - **Favourably reviewed:** Owners rated the 2021 GMC Terrain 5 / 5 stars. - **100.0% of 2021 Terrain models on CarGurus are accident free**. ## Why it stands out The 2021 GMC Terrain stands out in the compact SUV segment for its stylish interior and rich feature set, making it an appealing choice for buyers seeking a blend of comfort and practicality. This model has been praised by owners for its smooth ride and excellent fuel efficiency, which enhances its value. While it lacks some advanced features found in competitors like the optional hybrid powertrain, its angular design and off-road capability in the AT4 trim cater to those looking for a capable SUV. Moreover, GMC Terrain’s reputation for safety, combined with a user rating of 5 / 5 stars, solidifies its position as a strong contender among compact SUVs. ## 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 - **[2025 GMC Terrain](https://www.cargurus.ca/Cars/l-Used-2025-GMC-Terrain-c33676)** - Average price: $37,266.00 CAD - Good/great deal percentage: 36.7% - Total listings: 605 This analysis is based on CarGurus' proprietary market data from April 6, 2026, CarGurus experts' opinions, and generative AI.