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GMC
Terrain
2021
Used 2021 GMC Terrain near me for sale
21 matches
2021 GMC Terrain SLE
$21,998*
30K mi$149 Shipping | Est. arrival 12/8-12/16CarMax Independence Boulevard, NC
New for you
2021 GMC Terrain SLE
$18,998*
76K mi$1999 Shipping | Est. arrival 12/17-12/26CarMax Sacramento South, CA
2021 GMC Terrain SLE
$21,998*
49K mi$1799 Shipping | Est. arrival 12/13-12/20CarMax South Broadway, CO
Price drop
2021 GMC Terrain SLT
$19,998*$20,998
59K mi$1299 Shipping | Est. arrival 12/12-12/20CarMax Killeen, TX
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2021 GMC Terrain customer reviews
Overall rating (based on 5 reviews)
5.0
5 star
5
4 star
0
3 star
0
2 star
0
1 star
0
𝓫𝓮𝓪𝓾𝓽𝓲𝓯𝓾𝓵
PROS
Dashboard
Power
Fuel Economy
CONS
Technology and Entertainment
𝓱𝓪𝓻𝓭 𝓽𝓸 𝓾𝓼𝓮 𝓪𝓷𝓭 𝓭𝓸𝓮𝓼𝓷'𝓽 𝓬𝓸𝓷𝓷𝓮𝓬𝓽 wirelessly
leslie
Jul 19, 2024 we love our car
easy to navigate. fun to drive. good looking. roomy
PROS
Fuel Economy
economical
Dashboard
fun. audio phone
Reliability
safe
nicholas
May 27, 2023 Excellent Car
PROS
Fuel Economy
Great on gas. Fuel about every two to three weeks.
Interior Space
My daughter is tall and she fits perfectly in the front seat and back seat. Granddaughter sits in car seat and fits perfectly.
Ride and Handling
Easy to handle and rides comfortably.
Grace
Oct 12, 2025 2021 GMC Terrain FAQs
The 2021 GMC Terrain is available in multiple trims, each with its own estimated fuel economy, here are the EPA estimates for each trim:
- SLE: 26 MPG City and 30 MPG Highway
- SLT: 25 MPG City and 30 MPG Highway
- SL: 26 MPG City and 30 MPG Highway
- Denali: 26 MPG City and 30 MPG Highway
It is important to remember factors such as driving style, weather conditions, and the use of features such as Eco mode can impact fuel efficiency.
The GMC Terrain received a rating of 4 out of 5 stars from RepairPal, which RepairPal describes as Above Average. This rating ranks the GMC Terrain as 10 out of 29 among Compact SUV
The 2021 GMC Terrain has received an average 5.0 out of 5 stars from our customers. If you're in the market for a 2021 GMC Terrain, check out reviews from customers just like you.
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This price does not include tax, title, and tags. Additional fees may also apply depending on the state of purchase.
*Price excludes tax, title, tags and $699 CarMax processing fee (not required by law). Price assumes that final purchase will be made in the State of VA, unless vehicle is non-transferable. Vehicle subject to prior sale. Applicable transfer fees are due in advance of vehicle delivery and are separate from sales transactions.
† CarMax delivery is available within a 60-mile radius of select stores. Not available to customers in all states. Please contact your nearest store for details.