Used 2021 GMC Terrain for Sale nearHonolulu, HI

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CarGurus Analysis: 2021 GMC Terrain

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Summary

  • With 2,427 currently listed for sale and an average price of $18,048, 33.0% of 2021 GMC Terrain listings on CarGurus are rated as good or great deals.

  • Favorably reviewed: Owners rated the 2021 GMC Terrain 5 / 5 stars.

  • 74.8% of 2021 GMC Terrain listings on CarGurus are accident free.

Why it stands out

The 2021 GMC Terrain stands out as a compact SUV that leans more premium and polished than many rivals. It shares its basic hardware with the Chevrolet Equinox, but GMC gives the Terrain a more angular look and a more upscale feel inside. For this generation, Apple CarPlay and Android Auto are standard, and many models feature an eight-inch touchscreen. The Terrain also benefits from a push-button gear selector, better sound insulation, and a slightly smarter interior, which help it feel a bit more refined than its mainstream positioning might suggest.

For 2021, the Terrain’s lineup was simplified around a 1.5-liter turbocharged engine, since the larger 2.0-liter engine option was dropped. That engine makes 170 horsepower and works with a nine-speed automatic transmission. Buyers who want a used Terrain for everyday driving may appreciate its comfortable ride, roomy cabin, and good safety equipment, while the model’s value proposition is strengthened by its generally good reliability scores and lower prices than some Japanese rivals. At the same time, cargo space is not a strong point, and the 1.5-liter engine is not the best choice for buyers who want stronger acceleration or maximum towing ability.

Other model years to consider

  • 2023 GMC Terrain
    • Average price: $24,000
    • Good/great deal percentage: 36.2%
    • User rating: 5 / 5
    • Total listings: 5,468
  • 2024 GMC Terrain
    • Average price: $24,109
    • Good/great deal percentage: 36.5%
    • User rating: 5 / 5
    • Total listings: 4,822
  • 2022 GMC Terrain
    • Average price: $21,414
    • Good/great deal percentage: 34.7%
    • User rating: 4.83 / 5
    • Total listings: 3,108

Similar models to consider

  • 2021 Chevrolet Equinox
    • Average price: $16,271
    • Good/great deal percentage: 32.1%
    • User rating: 4.43 / 5
    • Total listings: 6,206
  • 2021 Honda CR-V
    • Average price: $24,157
    • Good/great deal percentage: 35.5%
    • User rating: 4.79 / 5
    • Total listings: 3,923
  • 2021 Toyota RAV4
    • Average price: $24,781
    • Good/great deal percentage: 36.8%
    • User rating: 4.43 / 5
    • Total listings: 4,171

This analysis is based on CarGurus' proprietary market data from October 12, 2026, CarGurus experts' opinions, and generative AI.

*CarGurus meticulously monitors the prices of millions of pre-owned vehicle listings, offering users precise and up-to-date market insights. Historical pricing data excludes any additional dealer fees as of May 3, 2026.

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