Used 2021 GMC Terrain for Sale near Chester, CT

## Summary - With 2,850 currently listed for sale on CarGurus and an **average price of $18,545.00**, 32.9% 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. - **76.9% of 2021 Terrain models on CarGurus are accident free**. - The 2021 GMC Terrain is praised for its stylish interior, impressive feature set, and fuel efficiency, making it a value choice for buyers. ## Why it stands out The 2021 GMC Terrain distinguishes itself in the compact SUV market with a combination of comfort and a modern aesthetic. This year's model features a well-appointed interior with quality materials and a notable array of technological features, including advanced driver assistance systems. Owners have highlighted its smooth ride and fuel efficiency as key strengths, contributing to a positive driving experience. While some users noted minor omissions like the lack of a standard auto wiper feature, the overall consensus is that it offers excellent value for its class, making it a worthy contender against rivals in the segment. ## 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 - **[2022 GMC Terrain](https://www.cargurus.com/Cars/l-Used-2022-GMC-Terrain-c31576)** - Average price: $22,168.00 - Good/great deal percentage: 31.4% - User rating: 4.58 / 5 - Total listings: 3,294 This analysis is based on CarGurus' proprietary market data from February 23, 2026, CarGurus experts' opinions, and generative AI.