Used 2021 GMC Terrain for Sale near Lancaster, PA
253 results
CarGurus Analysis:
2021 GMC Terrain
With 2,498 currently listed for sale and an average price of $18,828.00, 31.5% 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.
76.7% of 2021 Terrain models on CarGurus are accident free.
CarGurus Analysis: 2021 GMC Terrain

Summary
With 2,498 currently listed for sale and an average price of $18,828.00, 31.5% 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.
76.7% of 2021 Terrain models on CarGurus are accident free.
Why it stands out
The 2021 GMC Terrain distinguishes itself in the compact SUV market with its stylish interior and feature-rich offerings that drivers appreciate. Among its strengths are a smooth ride and remarkable fuel efficiency, making it an appealing choice for daily commutes and weekend getaways alike. The Terrain shares its platform with the popular Chevrolet Equinox, yet it adopts a more angular aesthetic that is ready for off-road adventures. While it excels in comfort and safety ratings, it does have some shortcomings, such as limited cargo space compared to competitors like the Honda CR-V and Toyota RAV4. Additionally, it lacks more advanced powertrain options like hybrids, which might deter some eco-conscious buyers. Nevertheless, its value proposition remains strong, especially considering its comprehensive safety technologies and robust reliability ratings.
Other model years to consider
- Average price: $22,607.00
- Good/great deal percentage: 30.4%
- User rating: 4.58 / 5
- Total listings: 3,013
- Average price: $24,199.00
- Good/great deal percentage: 29.2%
- User rating: 5 / 5
- Total listings: 4,734
- Average price: $24,173.00
- Good/great deal percentage: 29.6%
- User rating: 5 / 5
- Total listings: 3,952
This analysis is based on CarGurus' proprietary market data from March 30, 2026, CarGurus experts' opinions, and generative AI.
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5.0 Overall rating
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Ja'Nette J
Reviewed a 2021 GMC Terrain on Apr 5, 2024
I love the Terrain! It drives great and has a smoothest ride. It also is good on gas.
Deborah W
Reviewed a 2021 GMC Terrain on Nov 20, 2023
It had everything and more in the features that I was looking for. I think it was a good value for all that it offered.
Assata B
Reviewed a 2021 GMC Terrain on Apr 22, 2021
Very nice interior. Excellent options. We went with a black on black model but would have purchased this one if the other had not been available.
Destiney K
Reviewed a 2021 GMC Terrain on Oct 28, 2021
I absolutely adore my Terrain! I love everything about it. Not too big, not too small. Zero complaints. If I did have to make a suggestion I would say blind spot protection, and maybe a bigger screen that shows your speed but not deal breakers and simply just suggestions :)
2021 GMC Terrain Trims
| Trim type | MSRP |
|---|---|
| Denali FWD | $35,900 |
| Denali AWD | $37,500 |
| SLT FWD | $32,600 |
| SLE FWD | $28,500 |
| SLT AWD | $34,200 |
| SL FWD | $25,000 |
| SLE AWD | $30,100 |
2021 GMC Terrain Price Trends
CarGurus tracks the prices of millions of used car listings every year. See how the average price of 2021 GMC Terrain prices has changed over time.
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