Used 2021 GMC Terrain for Sale near Hanover, PA

## Summary - With 2,464 currently listed for sale and an **average price of $18,876.00**, 30.0% of 2021 GMC Terrains for sale on CarGurus are rated as good or great deals. - **Favorably reviewed:** Owners rated the 2021 GMC Terrain 5 / 5 stars. - **76.2% of 2021 Terrain models on CarGurus are accident free**. ## Why it stands out The 2021 GMC Terrain distinguishes itself in the compact SUV segment with a stylish and spacious interior that drivers appreciate for its comfort and feature set. Many owners have highlighted the Terrain's smooth ride and fuel efficiency, making it an appealing choice for those prioritizing practicality and economy. Although some feedback points to minor omissions, such as the lack of a standard automatic wiper feature, the Terrain's overall reliability remains strong. The vehicle boasts several trims aimed at different buyers, from the rugged AT4 designed for off-road adventures to the luxurious Denali model that offers premium comfort. However, it faces tough competition from segment leaders like the Toyota RAV4 and Honda CR-V, particularly due to its absence of a hybrid or plug-in hybrid powertrain. The 2021 model represents a solid blend of style, comfort, and functionality that continues to attract buyers looking for a dependable small SUV. ## Other model years to consider - **[2023 GMC Terrain](https://www.cargurus.com/Cars/l-Used-2023-GMC-Terrain-c32471)** - Average price: $24,081.00 - Good/great deal percentage: 29.1% - User rating: 5 / 5 - Total listings: 4,777 - **[2024 GMC Terrain](https://www.cargurus.com/Cars/l-Used-2024-GMC-Terrain-c33045)** - Average price: $24,044.00 - Good/great deal percentage: 29.2% - User rating: 5 / 5 - Total listings: 3,995 - **[2022 GMC Terrain](https://www.cargurus.com/Cars/l-Used-2022-GMC-Terrain-c31576)** - Average price: $22,444.00 - Good/great deal percentage: 30.1% - User rating: 4.58 / 5 - Total listings: 2,997 This analysis is based on CarGurus' proprietary market data from March 23, 2026, CarGurus experts' opinions, and generative AI.