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*Estimated payments are calculated by Cars.com and are for informational purposes only. We’ve estimated your taxes based on your provided ZIP code. These estimates do not include title, registration fees, lien fees, or any other fees that may be imposed by a governmental agency in connection with the sale and financing of the vehicle. Other taxes may apply. They do not represent a financing offer or a guarantee of credit from the seller. Actual terms vary by lender.
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Used
2021 GMC Terrain
for sale
near
Franklin, MI
- Down Payment
- $0
- Net trade-in value
- $0
- Months
- 72
- APR
- 7.0%
- Sales tax
- 0.0%
*Estimated payments are calculated by Cars.com and are for informational purposes only. We’ve estimated your taxes based on your provided ZIP code. These estimates do not include title, registration fees, lien fees, or any other fees that may be imposed by a governmental agency in connection with the sale and financing of the vehicle. Other taxes may apply. They do not represent a financing offer or a guarantee of credit from the seller. Actual terms vary by lender.
**Your Saved Vehicles list will be shared along with your contact information when you submit a vehicle request to a dealership. To opt out of this sharing, please view your options on Cars.com Privacy Notice.






Used
2021 GMC Terrain SLT
Vehicle information
Features






Used
2021 GMC Terrain SLT
Vehicle information
Features
Reviews
Thanks again and shout out to the service department for
Thanks again and shout out to the service department for always going a love nd beyond!! Thank you Christina!!
One of the best looking suv's on the road. Highly
Extremely happy. Ride comfort, controls, comfort, looks, quietness, Quality. They should've kept the 2.0 turbo. But this engine not bad at all. Can't wait to get another.






Used
2021 GMC Terrain SLE
Vehicle information
Features
Reviews
Kayla, our sales rep was very helpful and thoughtful On
Kayla, our sales rep was very helpful and thoughtful On the very first day, we stepped into the office. We really appreciate your customer service. she and her whole staff was working very hard to tend to the customers and Christian completed our sale the next day so cool Great job you guys. Thanks so much. Really appreciate it.
Amazing SUV
I’ve had an amazing experience with terrain Denali. I had it for 3 years and it was one of the best cars ever. Everything worked perfectly no issued at all! Loved it






Used
2021 GMC Terrain SLE
Vehicle information
Features
Reviews
It was an awesome car buying experience at Next Mile.
It was an awesome car buying experience at Next Mile. Boz helped me find exactly what I was looking for. The rest of of sales staff were very nice also. Tasha, the manager was extremely helpful throughout the process. I would definitely recommend LaFontaine Next Mile to my friends and family for there next car purchase. Great job guys!!!
Grea4 mileage and comfort
Bought it used. The shifter on the dash takes getting used to. But after a month I no longer grab for the shifter arm. Have been happy with comfort. Driving. Gas mileage. Would recommend it.





Used
2021 GMC Terrain SLT
Vehicle information
Features
Reviews
Just wanted to say thanks again to Kevin Olmstead for all
Just wanted to say thanks again to Kevin Olmstead for all of his help and effort in getting me into my new vehicle. Kevin continuously kept in contact with me with any questions I had or information I was seeking out and also handling the communication well after business hours. A fabulous and dedicated specialist and my first experience with him. I'm also a Feldman CDJR customer as long as Kevin is there. Terrific job again Kevin. Thanks Feldman CDJR.
Try this SUV before you buy another!
Frank Kent in COrsicana, TX gave me a great deal on my trade-in and on my new Terrain! I was intending to by a VW Taos that morning but when I saw the Terrain AT4 and drove it a little, GAME OVER ! I came home in the stylish and comfortable AT4.






Used
2021 GMC Terrain SLT
Vehicle information
Features
Reviews
Drive time - eastpoint
the sales rep was great, the experience was great overall. we were able to communicate really well. leaving as a happy customer. thank you. 100% recommend






Used
2021 GMC Terrain SLT
Vehicle information
Features






Vehicle information
Features
Reviews
Ray!
Ray! Thank you SO very much for everything you did for us. Thank you for working with us and making us feel at home and helping us along the way with our unexpected situation. We very much appreciate everything you and Quattro motors have done for us. All the very best to you from Kassi and I, Caleb






Used
2021 GMC Terrain SLT
Vehicle information
Features
Reviews
These guys take real good care of me and got me the car I
These guys take real good care of me and got me the car I always wanted.






GMC Certified
2021 GMC Terrain SLT
Vehicle information
Features
Reviews
I'm family at my dealership this is my fifth car
I'm family at my dealership this is my fifth car purchased. Everyone is so friendly especially Maryann she was very helpful from writing up the the car for service to showing me how to work the new coffee machine and calculating my rewards to pay for my oil change. Thanks again family!






GMC Certified
2021 GMC Terrain SLE
Vehicle information
Features
Reviews
A job well done.
A job well done. No issues. Brent Adani, the salesperson did a great job. No issues at pick up and sense. I have been doing business with Bob Jeanotte for many years. Always the best.
Used
2021 GMC Terrain SLT
Vehicle information
Features
Reviews
Great service.
Great service. Monica Cavaliere, Jim Cordes, always great to work with. Especially Monica Cavaliere, I purchase about 9 Vehicles thru Her.
There are 20 matching cars close to your year range.






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GMC Terrain prices by year
Model year | Average price | Deals |
---|---|---|
2026 GMC Terrain | $35,146 | |
2025 GMC Terrain | $32,594 | |
2024 GMC Terrain | $25,472 | 12 Great deals |
2023 GMC Terrain | $24,019 | 9 Great deals |
2022 GMC Terrain | $23,456 | 18 Great deals |
2020 GMC Terrain | $18,378 | 13 Good deals |
2019 GMC Terrain | $16,723 | 19 Good deals |
2018 GMC Terrain | $14,779 | 8 Good deals |
2017 GMC Terrain | $8,974 | 5 Good deals |
About the 2021 GMC Terrain
SL shown (base trim).
- Seating
- 5
- Door count
- 4
- Drivetrain
- Front-wheel drive
- Combined MPG
- 27
- Transmission
- 9-Speed A/T
- Engine
- 170.0-hp, 1.5-liter, 4 Cylinder Engine (Gasoline Fuel)

How much does the 2021 GMC Terrain cost?
The 2021 GMC Terrain price depends on several factors, including the trim level, optional features, mileage, vehicle history and location. The nationwide average price for a 2021 Terrain is $20,100, with pricing starting at $3,914.
What is the MPG of the 2021 GMC Terrain?
The 2021 GMC Terrain offers up to 25 MPG in city driving and 30 MPG on the highway for a combined rating of 27 MPG.
These figures are based on EPA mileage ratings and are for comparison purposes only. The actual mileage will vary depending on the selected vehicle trim, driving conditions, driving habits, vehicle maintenance, and other factors.
What are some similar vehicles and competitors of the 2021 GMC Terrain?
The 2021 GMC Terrain compares to and/or competes against the following vehicles:
Is the 2021 GMC Terrain reliable?
The 2021 GMC Terrain has an average reliability rating of 4.7 out of 5 according to Cars.com consumers. Find real-world reliability insights within consumer reviews from 2021 Terrain owners.
Is the 2021 GMC Terrain a good SUV?
Below are the Cars.com consumer ratings for the 2021 GMC Terrain.
- Comfort 4.6
- Interior 4.7
- Performance 4.4
- Value 4.5
- Exterior 4.8
- Reliability 4.7
88% of drivers recommend this car
- Comfort 4.6
- Interior 4.7
- Performance 4.4
- Value 4.5
- Exterior 4.8
- Reliability 4.7
Denali (2 styles)
Style | |
---|---|
FWD 4dr Denali | AWD 4dr Denali |
Inventory price | |
Starting at $35,900 | Starting at $37,500 |
Combined MPG | |
27 | 26 |
Engine | |
170.0-hp, 1.5-liter, 4 Cylinder Engine (Gasoline Fuel) | 170.0-hp, 1.5-liter, 4 Cylinder Engine (Gasoline Fuel) |
SL (1 style)
Style |
---|
FWD 4dr SL |
Inventory price |
Starting at $25,000 |
Combined MPG |
27 |
Engine |
170.0-hp, 1.5-liter, 4 Cylinder Engine (Gasoline Fuel) |
SLE (2 styles)
Style | |
---|---|
FWD 4dr SLE | AWD 4dr SLE |
Inventory price | |
Starting at $28,500 | Starting at $30,100 |
Combined MPG | |
27 | 26 |
Engine | |
170.0-hp, 1.5-liter, 4 Cylinder Engine (Gasoline Fuel) | 170.0-hp, 1.5-liter, 4 Cylinder Engine (Gasoline Fuel) |
SLT (2 styles)
Style | |
---|---|
AWD 4dr SLT | FWD 4dr SLT |
Inventory price | |
Starting at $34,200 | Starting at $32,600 |
Combined MPG | |
26 | 27 |
Engine | |
170.0-hp, 1.5-liter, 4 Cylinder Engine (Gasoline Fuel) | 170.0-hp, 1.5-liter, 4 Cylinder Engine (Gasoline Fuel) |
*Estimated payments are calculated by Cars.com and are for informational purposes only. We’ve estimated your taxes based on your provided ZIP code. These estimates do not include title, registration fees, lien fees, or any other fees that may be imposed by a governmental agency in connection with the sale and financing of the vehicle. Other taxes may apply. They do not represent a financing offer or a guarantee of credit from the seller. Actual terms vary by lender.
**Your Saved Vehicles list will be shared along with your contact information when you submit a vehicle request to a dealership. To opt out of this sharing, please view your options on Cars.com Privacy Notice.
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Research the 2021 GMC Terrain
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This vehicle is certified pre-owned, backed by a manufacturer warranty, and typically undergoes a rigorous multi-point inspection to ensure quality and reliability.
This vehicle is currently in high demand given its competitive price, desirable features, and overall condition, and may have a higher chance of selling quickly.