Summary

• With 104 currently listed for sale near Denver, CO and an average price of $17,772.00, 18.3% of 2020 GMC Terrains for sale on CarGurus are rated as good or great deals.

• Favorably reviewed: Owners rated the 2020 GMC Terrain 4.5 / 5 stars.

• 88.5% of 2020 Terrain models on CarGurus are accident free.

• The 2020 GMC Terrain is praised for its comfort, spacious interior, and an intuitive multimedia system, especially in the Denali trim.

Why it stands out

The 2020 GMC Terrain distinguishes itself in the competitive compact SUV market with its blend of style, comfort, and advanced safety features. With a spacious interior that caters well to families, and a luxury feel that many find appealing in the Denali model, the Terrain offers an attractive package for buyers. It also shares its underpinnings with the Chevrolet Equinox, which bolsters its reliability as it has never been ranked below average by Repair Pal. Notably, the 2020 model highlights improvements in safety technology and overall ride comfort; however, it does experience some competition from other compact SUVs regarding rear passenger space and ride quality in comparison to larger models.

Other model years to consider

• 2023 GMC Terrain

  • Average price: $22,512.00
  • Good/great deal percentage: 37.7%
  • User rating: 5 / 5
  • Total listings: 154

• 2024 GMC Terrain

  • Average price: $23,126.00
  • Good/great deal percentage: 37.2%
  • User rating: 5 / 5
  • Total listings: 121

• 2021 GMC Terrain

  • Average price: $18,298.00
  • Good/great deal percentage: 24.8%
  • User rating: 5 / 5
  • Total listings: 109

This analysis is based on CarGurus' proprietary market data from April 21, 2026, CarGurus experts' opinions, and generative AI.