Used 2018 GMC Terrain for Sale near Key West, FL

## Summary - With 1,877 currently listed for sale and an **average price of $14,441.00**, 34.7% 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. - **61.8% of 2018 Terrain models on CarGurus are accident free**. - The 2018 GMC Terrain features a redesigned appearance, offering improved interior design, multiple engine options, and a variety of trim levels, making it a versatile choice for buyers. ## Why it stands out The 2018 GMC Terrain distinguishes itself with its redesigned look, although it strays away from the bold styling of its predecessor, giving a more subdued appearance. This compact crossover SUV offers a choice of three turbocharged engines, including a powerful 2.0-liter option that delivers 252 horsepower, improving its overall performance characteristics. Owners appreciate the vehicle's comfort and spaciousness, especially in higher trim levels, and find the driving experience smooth, particularly with the upgraded engine. However, the Terrain does have some drawbacks. Reviewers note concerns regarding brake sensitivity and the vehicle's lack of power in certain driving situations. Additionally, the Terrain's safety ratings have been noted as mediocre, which may be a concern for families seeking optimal protection. While the 2018 Terrain introduces various enhancements, the perceived value may not be as competitive when compared to rivals like the Honda CR-V, which offers better cargo space and more advanced safety features. ## 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 - **[2021 GMC Terrain](https://www.cargurus.com/Cars/l-Used-2021-GMC-Terrain-c30365)** - Average price: $18,876.00 - Good/great deal percentage: 30.0% - User rating: 5 / 5 - Total listings: 2,464 This analysis is based on CarGurus' proprietary market data from March 23, 2026, CarGurus experts' opinions, and generative AI.