New & Used 2026 GMC Terrain for Sale near Diamond, MO

## Summary - With 626 currently listed for sale on CarGurus and an **average price of $33,894.00**, 30.7% of 2026 GMC Terrains for sale on CarGurus are rated as good or great deals. - **94.7% of 2026 Terrain models on CarGurus are accident free**. - The 2026 GMC Terrain features a redesigned exterior, updated powertrain options, and a spacious, upgraded interior. ## Why it stands out The 2026 GMC Terrain stands out in the compact SUV segment with its recent redesign that introduces a fresh look and significant interior upgrades. This model features improved technology, including a large 15-inch touchscreen infotainment system with Google built-in, enhancing user experience. The Terrain is available in different trims tailored to various consumer needs, from the rugged AT4 for outdoor enthusiasts to the luxurious Denali for those seeking a premium feel. With an accident-free percentage of 94.7%, the model offers a reassuring reliability rating that resonates well with potential buyers. Although it lacks a hybrid or plug-in hybrid option, this compact SUV is appealing due to its safety ratings and spacious interior, making it a solid option for families and daily commutes. ## 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 - **[2021 GMC Terrain](https://www.cargurus.com/Cars/l-Used-2021-GMC-Terrain-c30365)** - Average price: $18,545.00 - Good/great deal percentage: 32.9% - User rating: 5 / 5 - Total listings: 2,850 This analysis is based on CarGurus' proprietary market data from February 23, 2026, CarGurus experts' opinions, and generative AI.