Summary

• With 2,608 currently listed for sale and an average price of $18,814.00, 32.4% 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.

• 76.1% of 2021 Terrain models on CarGurus are accident free.

Why it stands out

The 2021 GMC Terrain distinguishes itself within the compact SUV market with its combination of style, practicality, and strong feature set. Owners praise its comfortable interior and smooth ride, highlighting it as a great value choice for those seeking a compact SUV. While the Terrain may not feature a hybrid or plug-in hybrid powertrain—despite its rivals such as the Honda CR-V and Toyota RAV4 offering such options—it compensates with a well-equipped cabin and advanced safety features. The Terrain also provides a relatively spacious interior and solid fuel efficiency, making it appealing for families and those who prioritize comfort in their daily drive. However, there are minor downsides noted by users, including some omissions like a standard auto wiper feature and room for improvement in blind-spot protection. Overall, its design, safety features, and reliable performance make the 2021 GMC Terrain a competitive choice in its segment.

Other model years to consider

• 2023 GMC Terrain

  • Average price: $24,999.00
  • Good/great deal percentage: 34.2%
  • User rating: 5 / 5
  • Total listings: 5,131

• 2024 GMC Terrain

  • Average price: $25,127.00
  • Good/great deal percentage: 34.8%
  • User rating: 5 / 5
  • Total listings: 4,352

• 2022 GMC Terrain

  • Average price: $23,104.00
  • Good/great deal percentage: 33.5%
  • User rating: 4.83 / 5
  • Total listings: 3,348

This analysis is based on CarGurus' proprietary market data from May 25, 2026, CarGurus experts' opinions, and generative AI.