Summary

• With 176 currently listed for sale near Atlanta, GA and an average price of $18,813.00, 39.8% 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.

• 100.0% of 2021 Terrain models on CarGurus are accident free.

• The 2021 GMC Terrain is celebrated for its stylish interior, impressive fuel efficiency, and smooth ride, making it an attractive option in the compact SUV segment.

Why it stands out

The 2021 GMC Terrain distinguishes itself in the compact SUV marketplace with its stylish design and a feature-rich interior that resonates well with buyers. Many owners appreciate its great value alongside its smooth ride and commendable fuel efficiency, positioning it as a strong competitor against rivals like the Honda CR-V and Toyota RAV4. While the compact SUV does face minor critiques regarding certain omissions — such as the lack of a standard auto wiper feature — its overall appeal is underscored by a 100% accident-free record among listed vehicles. Furthermore, its similarities with the Chevrolet Equinox offer potential buyers an added layer of reliability, particularly evident in user reviews that reflect high satisfaction levels.

Other model years to consider

• 2023 GMC Terrain

  • Average price: $23,292.00
  • Good/great deal percentage: 41.3%
  • User rating: 5 / 5
  • Total listings: 264

• 2022 GMC Terrain

  • Average price: $23,075.00
  • Good/great deal percentage: 50.3%
  • User rating: 4.83 / 5
  • Total listings: 179

• 2024 GMC Terrain

  • Average price: $24,605.00
  • Good/great deal percentage: 35.2%
  • User rating: 5 / 5
  • Total listings: 219

This analysis is based on CarGurus' proprietary market data from June 9, 2026, CarGurus experts' opinions, and generative AI.