Summary

• With 99 currently listed for sale near Phoenix, AZ and an average price of $17,261.00, 47.5% 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 praised for its stylish interior and feature set, with notable highlights including a smooth ride and fuel efficiency.

Why it stands out

The 2021 GMC Terrain distinguishes itself in the compact SUV segment with its sleek design and emphasis on comfort, making it a favorite among drivers. Its interior is noted for being stylish and packed with features that enhance the driving experience. The driving dynamics are further complemented by fuel-efficient engine options, appealing to those who value both sportiness and economy. Despite its strengths, some owners have pointed out a few limitations, such as the absence of a standard auto wiper feature and room for improvement in blind spot protection.

With a robust stance and off-road capability in the Terrain AT4 variant, paired with luxury options in the Denali trim, the Terrain offers something for a wide range of buyers. This versatility, along with a high accident-free rating, enhances the vehicle’s appeal for those seeking a reliable and stylish compact SUV that does not many key features present in competing models.

Other model years to consider

• 2023 GMC Terrain

  • Average price: $22,286.00
  • Good/great deal percentage: 59.5%
  • User rating: 5 / 5
  • Total listings: 121

• 2022 GMC Terrain

  • Average price: $22,992.00
  • Good/great deal percentage: 69.9%
  • User rating: 4.83 / 5
  • Total listings: 83

• 2019 GMC Terrain

  • Average price: $14,432.00
  • Good/great deal percentage: 24.0%
  • User rating: 5 / 5
  • Total listings: 100

This analysis is based on CarGurus' proprietary market data from June 2, 2026, CarGurus experts' opinions, and generative AI.