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3,897 listings
  • Price Drop
    $19,880
    great price
    $3,045 below market
    • 23,278 miles
    • No accidents, 2 owners, personal use
    • 5 Seats, 26 City / 30 Hwy MPG
    • Brickell Buick & GMC (486 mi away)
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    • Upgraded Headlights
    Close

    Located in Miami, FL / 486 miles away from Charleston, SC

    Brickell Buick GMC is pleased to offer this Beautiful 2021 GMC Terrain. This SLT Terrain is beautifully finished in Summit White and complimented by J...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: Yes

    Features and Specs:

    28 Combined MPG (26 City/30 Highway)

    Listing Information:

    VIN: 3GKALPEV1ML375580
    Stock: P2615
    Certified Pre-Owned: No
    Listed since: 04-10-2025

  • New Listing
    $18,797
    great price
    $1,945 below market
    • 79,755 miles
    • No accidents, 1 owner, personal use only
    • 5 Seats, 26 City / 30 Hwy MPG
    • EchoPark Automotive Atlanta (Duluth) (254 mi away)
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Duluth, GA / 254 miles away from Charleston, SC

    At EchoPark, it’s all about offering you options for a happy experience. We have thousands of new-to-you makes and models that range from sedans to tr...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    28 Combined MPG (26 City/30 Highway)

    Listing Information:

    VIN: 3GKALPEV3ML342421
    Stock: CML342421
    Certified Pre-Owned: No
    Listed since: 04-18-2025

  • Price Drop
    $16,999
    great price
    $2,360 below market
    • 95,971 miles
    • No accidents, 1 owner, personal use only
    • 5 Seats, 25 City / 28 Hwy MPG
    • Honda of Owings Mills (490 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    Close

    Located in Owings Mills, MD / 490 miles away from Charleston, SC

    Onboard Communications System, iPod/MP3 Input, Back-Up Camera, All Wheel Drive, TRANSMISSION, 9-SPEED AUTOMATIC 9T45... Alloy Wheels, ENGINE, 1.5L TUR...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    26 Combined MPG (25 City/28 Highway)

    Listing Information:

    VIN: 3GKALTEV6ML356497
    Stock: ML356497
    Certified Pre-Owned: No
    Listed since: 05-20-2025

  • New Listing
    $19,291
    great price
    $1,920 below market
    • 65,060 miles
    • 5 Seats, 25 City / 28 Hwy MPG
    • Beaman GMC (443 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    Close

    Located in Antioch, TN / 443 miles away from Charleston, SC

    **LIFETIME POWERTRAIN WARRANTY ASK FOR DETAILS**, EXCLUSIVE LIFETIME WARRANTY!!, Back - up Camera, 4 Wheel Drive, Apple Carplay/Android Connect, **SMA...

    AutoCheck Vehicle History Summary Unavailable.

    Features and Specs:

    26 Combined MPG (25 City/28 Highway)

    Listing Information:

    VIN: 3GKALTEV5ML318520
    Stock: PML318520
    Certified Pre-Owned: No
    Listed since: 03-07-2025

  • $19,788
    good price
    $925 below market
    • 25,173 miles
    • No accidents, 3 owners, personal use only
    • 5 Seats, 26 City / 30 Hwy MPG
    • Bomnin Chevrolet West Kendall (496 mi away)
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    • Blind Spot Monitorin...
    Close

    Located in Miami, FL / 496 miles away from Charleston, SC

    Clean CARFAX. Priced below KBB Fair Purchase Price! Odometer is 27587 miles below market average! 2021 GMC Terrain SLE in Ebony Twilight Metallic vehi...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    27 Combined MPG (26 City/30 Highway)

    Listing Information:

    VIN: 3GKALMEV7ML319111
    Stock: G239333B
    Certified Pre-Owned: No
    Listed since: 04-08-2025

  • $23,998
    good price
    $888 below market
    • 16,404 miles
    • No accidents, 1 owner, personal use only
    • 5 Seats, 25 City / 28 Hwy MPG
    • CarMax Laurel (471 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Keyless Entry/Start
    Close

    Located in Laurel, MD / 471 miles away from Charleston, SC

    CarMax values transparency and wants you to love your next car, not settle on it. Certain vehicles may have unrepaired safety recalls. Check nhtsa.gov...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: Yes

    Features and Specs:

    26 Combined MPG (25 City/28 Highway)

    Listing Information:

    VIN: 3GKALTEV9ML313739
    Stock: 27364914
    Certified Pre-Owned: No

  • New Listing
    $17,199
    good price
    $1,478 below market
    • 86,655 miles
    • No accidents, 2 owners, rental vehicle
    • 5 Seats, 26 City / 30 Hwy MPG
    • Florida Fine Cars (422 mi away)
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    • Upgraded Headlights
    Close

    Located in West Palm Beach, FL / 422 miles away from Charleston, SC

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: No

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    28 Combined MPG (26 City/30 Highway)

    Listing Information:

    VIN: 3GKALPEV3ML329135
    Stock: 151962
    Certified Pre-Owned: No
    Listed since: 06-18-2025

  • New Listing
    $22,998
    fair price
    $438 below market
    • 22,759 miles
    • No accidents, 2 owners, personal use
    • 5 Seats, 26 City / 30 Hwy MPG
    • CarMax Tampa (358 mi away)
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    • Upgraded Headlights
    Close

    Located in Tampa, FL / 358 miles away from Charleston, SC

    CarMax values transparency and wants you to love your next car, not settle on it. Certain vehicles may have unrepaired safety recalls. Check nhtsa.gov...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    28 Combined MPG (26 City/30 Highway)

    Listing Information:

    VIN: 3GKALPEV4ML332626
    Stock: 27322746
    Certified Pre-Owned: No

  • $19,998
    fair price
    $566 below market
    • 79,786 miles
    • No accidents, 2 owners, rental vehicle
    • 5 Seats, 26 City / 30 Hwy MPG
    • CarMax Augusta (134 mi away)
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    • Upgraded Headlights
    Close

    Located in Augusta, GA / 134 miles away from Charleston, SC

    CarMax values transparency and wants you to love your next car, not settle on it. Certain vehicles may have unrepaired safety recalls. Check nhtsa.gov...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: No

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    28 Combined MPG (26 City/30 Highway)

    Listing Information:

    VIN: 3GKALPEV5ML309887
    Stock: 27125064
    Certified Pre-Owned: No

  • Price Drop
    $18,346
    good price
    $1,067 below market
    • 64,458 miles
    • No accidents, 1 owner, personal use
    • 5 Seats, 25 City / 28 Hwy MPG
    • Moses Honda (410 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    Close

    Located in Huntington, WV / 410 miles away from Charleston, SC

    CARFAX One-Owner. Clean CARFAX.Terrain SLE, 4D Sport Utility, 1.5L DOHC, 9-Speed Automatic, AWD, Summit White, Jet Black Cloth, Adaptive Cruise Contro...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    26 Combined MPG (25 City/28 Highway)

    Listing Information:

    VIN: 3GKALTEV0ML359900
    Stock: HA3878
    Certified Pre-Owned: No
    Listed since: 02-26-2025

  • Price Drop
    $20,787
    fair price
    $508 below market
    • 42,304 miles
    • No accidents, 2 owners, personal use
    • 5 Seats, 26 City / 30 Hwy MPG
    • First Team Honda (345 mi away)
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    • Blind Spot Monitorin...
    Close

    Located in Chesapeake, VA / 345 miles away from Charleston, SC

    New Price! Priced below KBB Fair Purchase Price! Clean CARFAX. Summit White 2021 GMC Terrain SLEThis vehicle comes complimentary with a 99 DAY OR 3...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    27 Combined MPG (26 City/30 Highway)

    Listing Information:

    VIN: 3GKALMEV6ML380885
    Stock: HB6744
    Certified Pre-Owned: No
    Listed since: 05-05-2025

  • $22,737
    fair price
    $888 below market
    • 58,062 miles
    • No accidents, 2 owners, corporate fleet vehicle
    • 5 Seats, 25 City / 28 Hwy MPG
    • Sanford Imports (191 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Sandford, NC / 191 miles away from Charleston, SC

    2021 GMC Terrain SLT Ebony Twilight Metallic Carfax Accident Free, Leather Seats, Bluetooth, Collision Warning Alert System, Collision Avoidance Syste...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: No

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    26 Combined MPG (25 City/28 Highway)

    Listing Information:

    VIN: 3GKALVEV6ML382898
    Stock: 7006032
    Certified Pre-Owned: No
    Listed since: 05-26-2025

  • Price Drop
    $20,900
    fair price
    $425 below market
    • 28,679 miles
    • No accidents, 1 owner, personal use
    • 5 Seats, 26 City / 30 Hwy MPG
    • Serra Hyundai (391 mi away)
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    • Power Driver Seat
    Close

    Located in Trussville, AL / 391 miles away from Charleston, SC

    **Come see what everyone is talking about. Ask about our Serra Platinum Package**.**Largest Certified Inventory in the State!**Odometer is 25534 ...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    27 Combined MPG (26 City/30 Highway)

    Listing Information:

    VIN: 3GKALMEV1ML388599
    Stock: T388599
    Certified Pre-Owned: No
    Listed since: 05-20-2025

  • Price Drop
    $19,095
    fair price
    $320 below market
    • 40,438 miles
    • No accidents, 1 owner, personal use only
    • 5 Seats, 26 City / 30 Hwy MPG
    • O'Steen Subaru of Valdosta (238 mi away)
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    • Tire Pressure Warnin...
    Close

    Located in Valdosta, GA / 238 miles away from Charleston, SC

    Summit White 2021 GMC Terrain SLE FWD 9-Speed Automatic 1.5L DOHC CLEAN CARFAX, NO ACCIDENTS, ONE OWNER.Recent Arrival! 25/30 City/Highway MPG

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    27 Combined MPG (26 City/30 Highway)

    Listing Information:

    VIN: 3GKALMEV8ML380659
    Stock: B7603A
    Certified Pre-Owned: No
    Listed since: 05-15-2025

  • $21,988
    fair price
    $119 above market
    • 57,575 miles
    • No accidents, 1 owner, personal use only
    • 5 Seats, 26 City / 30 Hwy MPG
    • Countryside Chrysler Dodge Jeep Ram of Madison (211 mi away)
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Madison, GA / 211 miles away from Charleston, SC

    Vehicle DetailsDiscover the perfect blend of style, comfort, and performance with this exceptional 2021 GMC Terrain SLT. This meticulously mai...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    28 Combined MPG (26 City/30 Highway)

    Listing Information:

    VIN: 3GKALPEV5ML361200
    Stock: 2P2233
    Certified Pre-Owned: No
    Listed since: 04-28-2025

  • $19,765
    fair price
    $201 below market
    • 36,324 miles
    • No accidents, 1 owner, personal use only
    • 5 Seats, 26 City / 30 Hwy MPG
    • Serra Chevrolet (394 mi away)
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    • Tire Pressure Warnin...
    Close

    Located in Birmingham, AL / 394 miles away from Charleston, SC

    Clean CARFAX. Graphite Gray Metallic 2021 GMC Terrain SLE FWD 9-Speed Automatic 1.5L DOHC25/30 City/Highway MPGExperience the Serra Promise - it'...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    27 Combined MPG (26 City/30 Highway)

    Listing Information:

    VIN: 3GKALMEV9ML388074
    Stock: C187163A
    Certified Pre-Owned: No
    Listed since: 03-25-2025

  • Price Drop
    $16,987
    good price
    $1,029 below market
    • 93,347 miles
    • No accidents, 3 owners, rental vehicle
    • 5 Seats, 26 City / 30 Hwy MPG
    • Dan Cummins Chrysler Dodge Jeep Ram of Paris (446 mi away)
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    • Upgraded Headlights
    Close

    Located in Paris, KY / 446 miles away from Charleston, SC

    **THIS VEHICLE HAS BEEN INSPECTED by our ASE technicians who performed a lube and oil change, mounted and balanced four new tires, replaced front brak...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: No

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    28 Combined MPG (26 City/30 Highway)

    Listing Information:

    VIN: 3GKALPEV3ML344458
    Stock: 17577A
    Certified Pre-Owned: No
    Listed since: 05-26-2025

  • $19,398
    fair price
    $148 below market
    • 77,204 miles
    • No accidents, 2 owners, rental vehicle
    • 5 Seats, 26 City / 30 Hwy MPG
    • Enterprise Car Sales Clermont (313 mi away)
    • Home delivery*
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    • Upgraded Headlights
    Close

    Located in Clermont, FL / 313 miles away from Charleston, SC

    Transfer of vehicle from another location to your neighborhood Enterprise Car Sales may require payment of a non-refundable transfer fee to begin the ...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: No

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    28 Combined MPG (26 City/30 Highway)

    Listing Information:

    VIN: 3GKALPEV9ML391770
    Stock: 8GY93J
    Certified Pre-Owned: No
    Listed since: 05-06-2025

  • $22,998
    fair price
    $268 below market
    • 55,959 miles
    • No accidents, 1 owner, personal use only
    • 5 Seats, 26 City / 30 Hwy MPG
    • CarMax Warner Robins (217 mi away)
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    • Upgraded Headlights
    Close

    Located in Warner Robins, GA / 217 miles away from Charleston, SC

    CarMax values transparency and wants you to love your next car, not settle on it. Certain vehicles may have unrepaired safety recalls. Check nhtsa.gov...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    28 Combined MPG (26 City/30 Highway)

    Listing Information:

    VIN: 3GKALPEV7ML399611
    Stock: 26828282
    Certified Pre-Owned: No

  • Price Drop
    $21,882
    fair price
    $328 above market
    • 52,455 miles
    • No accidents, 2 owners, personal use
    • 5 Seats, 26 City / 30 Hwy MPG
    • George Moore Chevrolet (194 mi away)
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Jacksonville, FL / 194 miles away from Charleston, SC

    GMC Certified Pre-Owned Certified, 2 USB Data Ports, 2 USB Data Ports w/SD Card Reader, 3.47 Axle Ratio, 4-Wheel Disc Brakes, 6 Speakers, 6-Speaker Au...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    28 Combined MPG (26 City/30 Highway)

    Listing Information:

    VIN: 3GKALPEV7ML354006
    Stock: P9427
    Certified Pre-Owned: No
    Listed since: 05-01-2025

  • $25,795
    fair price
    $459 above market
    • 18,519 miles
    • No accidents, 1 owner, personal use
    • 5 Seats, 26 City / 30 Hwy MPG
    • Hyman Bros. Automobiles West Broad (360 mi away)
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Richmond, VA / 360 miles away from Charleston, SC

    Hyman Bros. accepts all trade-in's, If you have a Carmax Appraisal (We Will Beat It) We offer competitive financing in all states, If you are pre-appr...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    28 Combined MPG (26 City/30 Highway)

    Listing Information:

    VIN: 3GKALPEV4ML328799
    Stock: H9173
    Certified Pre-Owned: No
    Listed since: 02-06-2024

Showing 1 - 21 out of 3,897 listings

Consumer Reviews for the GMC Terrain

Read recent reviews for the GMC Terrain
Overall Consumer Rating
4.1 out of 5 stars55 Reviews
Write a vehicle reviewSee all 55 reviews
  • 5 star
    (58%)
  • 4 star
    (18%)
  • 3 star
    (7%)
  • 2 star
    (9%)
  • 1 star
    (7%)
4 out of 5 stars

2021 GMV Terrain SLT

Stgcret, 04/19/2021
2021 GMC Terrain SLT 4dr SUV (1.5L 4cyl Turbo 9A)
As of today, April 19/2023 I still own my Terrain purchased in November 2020. It has, so far, not given me a minute's issue. The 1.5L Turbo is "okay" but the 2.0L Turbo is so much better. The Terrain is a very well thought out vehicle. Back seat flip flat at the push of a button and easily clicks back in to place. Seats are at hip height, which at 71, makes them very easy to slide … in and out. The front bucket seats are fairly comfortable with many power adjustments. The front seats could use another 1/2" to 1" of width. I would buy this beauty again. UPDATE: I purchase my 2021 GMC Terrain brand new in November 2020 before the chip shortage, that isn't an issue with the 2021 at all. I just hit 20,000 miles a couple of weeks ago and all-in-all has been a pleasure to drive. I'm a big guy of 6' 2" and 285 and I easily slide in and out of my Terrain. Quiet ride and efficient and peppy 1.5L Turbo motor, although I would have preferred the 2.0L Turbo like I had in my 2018 Terrain, but the 2020 was the last year for the 2.0L On the SLT, that I have, are many positions to adjust the front seat and I do prefer the leather over cloth seats. For a 2-row seat SUV, there is plenty of room and the seats fold down at the touch of button or pull that works with the effort of one finger. I really like the info system and Sirius Radio. I have not used the Navigation or phone interface because I just don't need to. One oddball fact I discovered though is that when you want to take out the Cabin Filter, you have to use a 5.5 mm socket and that size is difficult to find. They need to go to a more conventional size like a 6 mm or 1/4 inch. UPDATE: I drove my 2021 Terrain SLT Elevation Edition out of the dealer showroom on 11/27/2020. I am 6' 2" and 72 yrs old. I specifically like the way I can slide in and easily slide out of the Terrain. I also find the front seat very comfortable and easy to adjust and has a nice lumbar support. I don't find the road noise so bad, but maybe that is because I have Talk Radio on all the time. I do agree that a 2.0 Turbo would be a better engine option. I owned a 2018 Terrain Denali with the 2.0L and I thought I was in a rocket when I stepped on the gas. I have owned my 2021 for 31 months now and have put 21,530 miles on the ol' girl and have not had a single issue, but there was one "what were they thinking moment" the screw for the driving compartment air filter is a 5.5 mm! I did change that filter at 18,000 miles although the manual called for 30,000 miles. Such an odd and hard to find size. I have changed the oil and filter every 5,000 miles and rotated the tires. I would like to see the same vehicle but 10" to 12" longer and maybe 4" to 6" wider to fit just a bit more beefy seat like the Tahoe has. Other than that I will most likely buy another Terrain and for sure if they reinstate the 2.0L Turbo.
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Used 2021 GMC Terrain in Charleston, SC Values

Estimated values
2021 GMC Terrain SLT 4dr SUV (1.5L 4cyl Turbo 9A) with no options
ConditionTrade-InPrivate PartyDealer Retail
Outstanding$18,322$19,765$21,213
Clean$17,932$19,334$20,740
Average$17,282$18,616$19,952
Rough$16,437$17,683$18,927

The average list price of a used 2021 GMC Terrain in Charleston, South Carolina is $20,458. The average mileage on a used GMC Terrain 2021 for sale in Charleston, South Carolina is 53,341. Based on the average mileage of 53,341 for used 2021 GMC Terrain for sale in Charleston, SC and using an average vehicle condition rating, which means the vehicle may have a few mechanical and/or cosmetic problems and may require a considerable amount of reconditioning, we appraise the average trade-in value of a used GMC Terrain 2021 in Charleston, South Carolina to be $17,282.

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Edmunds Review

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* Delivery of any kind does not apply to Alaska and Hawaii. Contact the dealer for delivery details, restrictions and costs.