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3,887 listings
  • $25,998
    fair price
    $566 above market
    • 17,550 miles
    • No accidents, 1 owner, personal use only
    • 5 Seats, 26 City / 30 Hwy MPG
    • CarMax Winchester (450 mi away)
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    • Keyless Entry/Start
    Close

    Located in Winchester, VA / 450 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: 3GKALPEV9ML343086
    Stock: 27326668
    Certified Pre-Owned: No

  • Price Drop
    $19,595
    fair price
    $332 below market
    • 30,473 miles
    • 1 accident, 2 owners, personal use
    • 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

    Red Quartz Tintcoat 2021 GMC Terrain SLE FWD 9-Speed Automatic 1.5L DOHCRecent Arrival! 25/30 City/Highway MPG

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: No

    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: 3GKALMEV5ML335713
    Stock: B7608
    Certified Pre-Owned: No
    Listed since: 05-06-2025

  • New Listing
    Stock photo**
    $19,341
    good price
    $1,605 below market
    • 82,742 miles
    • 1 accident, 2 owners, rental vehicle
    • 5 Seats, 25 City / 28 Hwy MPG
    • Automaxx of the Carolinas (21 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Summerville, SC / 21 miles away from Charleston, SC

    Certified.Certification Program Details: 3 month/3000 Miles Certified Warranty2021 GMC Terrain SLT AWDCurrent Odometer 82742, *Certified Pre-Owned...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: No

    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: 3GKALVEV8ML392705
    Stock: K2974
    Certified Pre-Owned: No
    Listed since: 06-17-2025

  • Selling or trading in?

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  • Price Drop
    $19,995
    fair price
    $173 below market
    • 72,466 miles
    • 1 accident, 1 owner, personal use only
    • 5 Seats, 26 City / 30 Hwy MPG
    • Herndon Chevrolet (111 mi away)
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    • Upgraded Headlights
    Close

    Located in Lexington, SC / 111 miles away from Charleston, SC

    Discover the perfect blend of style, comfort, and performance with our 2021 GMC Terrain SLT. This meticulously maintained vehicle offers a dynamic dri...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: No

    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: 3GKALPEV7ML400126
    Stock: P8563A
    Certified Pre-Owned: No
    Listed since: 04-12-2025

  • Price Drop
    $26,368
    fair price
    $302 above market
    • 32,032 miles
    • No accidents, 1 owner, personal use
    • 5 Seats, 25 City / 28 Hwy MPG
    • Campbell Chevrolet of Bowling Green (466 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Bowling Green, KY / 466 miles away from Charleston, SC

    2021 GMC Terrain SLT 4D Sport Utility Summit White AWD 9-Speed Automatic 1.5L DOHCAt Campbell Chevrolet- We make it easy! Shop over 300 new and pre-...

    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: 3GKALVEV5ML376896
    Stock: 8583
    Certified Pre-Owned: No
    Listed since: 03-26-2025

  • $22,998
    fair price
    $645 above market
    • 42,036 miles
    • No accidents, 2 owners, corporate fleet vehicle
    • 5 Seats, 26 City / 30 Hwy MPG
    • CarMax Fayetteville (167 mi away)
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    • Upgraded Headlights
    Close

    Located in Fayetteville, NC / 167 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: 3GKALPEV9ML310301
    Stock: 27010005
    Certified Pre-Owned: No

  • New Listing
    $23,588
    fair price
    $550 above market
    • 47,751 miles
    • No accidents, 1 owner, personal use only
    • 5 Seats, 25 City / 28 Hwy MPG
    • Rich Morton Mazda (476 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Pasadena, MD / 476 miles away from Charleston, SC

    2021 GMC Terrain Summit White AWD 9-Speed Automatic CARFAX One-Owner. SLT 1.5L DOHC BALANCE OF FACTORY WARRANTY, LEATHER, ONE OWNER, SUNROOF/MOONROOF,...

    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: 3GKALVEV9ML396990
    Stock: 396990P
    Certified Pre-Owned: No
    Listed since: 02-28-2025

  • Price Drop
    $24,490
    fair price
    $312 above market
    • 34,763 miles
    • No accidents, 1 owner, corporate fleet vehicle
    • 5 Seats, 26 City / 30 Hwy MPG
    • Boyd Honda (254 mi away)
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Oxford, NC / 254 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: 3GKALPEV9ML361328
    Stock: 12978
    Certified Pre-Owned: No
    Listed since: 08-20-2024

  • Price Drop
    $22,180
    fair price
    $550 above market
    • 47,527 miles
    • 1 accident, 2 owners, personal use only
    • 5 Seats, 26 City / 30 Hwy MPG
    • Burlington Kia (227 mi away)
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    • Upgraded Headlights
    Close

    Located in Burlington, NC / 227 miles away from Charleston, SC

    Clean CARFAX.This 2021 Graphite Gray Metallic GMC Terrain SLT FWD is well equipped and includes these features and benefits:2 USB Data Ports, 2 USB Da...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: No

    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: 3GKALPEV3ML334402
    Stock: B25561A
    Certified Pre-Owned: No
    Listed since: 05-30-2025

  • Price Drop
    $17,691
    great price
    $4,895 below market
    • 30,320 miles
    • No accidents, 1 owner, personal use
    • 5 Seats, 25 City / 28 Hwy MPG
    • Brickell Buick & GMC (486 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • 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 2022 GMC Terrain. This SLE 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:

    26 Combined MPG (25 City/28 Highway)

    Listing Information:

    VIN: 3GKALTEV4NL165341
    Stock: N039129A
    Certified Pre-Owned: No
    Listed since: 06-02-2025

  • New Listing
    $21,998
    fair price
    $220 above market
    • 41,722 miles
    • 5 Seats, 26 City / 30 Hwy MPG
    • CarMax Virginia Beach (354 mi away)
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    • Tire Pressure Warnin...
    Close

    Located in Virginia Beach, VA / 354 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 Unavailable.

    Features and Specs:

    27 Combined MPG (26 City/30 Highway)

    Listing Information:

    VIN: 3GKALMEV4ML380996
    Stock: 27565118
    Certified Pre-Owned: No

  • Price Drop
    • 28,513 miles
    • No accidents, 1 owner, personal use only
    • 5 Seats, 26 City / 30 Hwy MPG
    • Carvana - Atlanta (268 mi away)
    • Home delivery*
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    • Power Driver Seat
    Close

    Located in Atlanta, GA / 268 miles away from Charleston, SC

    At Carvana, we go miles beyond the extra mile. That's why we provide you with a convenient, fast, and hassle-free car buying experience that puts you ...

    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:

    27 Combined MPG (26 City/30 Highway)

    Listing Information:

    VIN: 3GKALMEV1ML400136
    Stock: 2003682875
    Certified Pre-Owned: No
    Listed since: 05-01-2025

  • $21,970
    great price
    $3,476 below market
    • 60,550 miles
    • No accidents, 1 owner, personal use only
    • 5 Seats, 25 City / 28 Hwy MPG
    • Starling Chevrolet GMC (324 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Saint Cloud, FL / 324 miles away from Charleston, SC

    2022 GMC Terrain AT4 CLEAN CARFAX, NAVIGATION, SUNROOF, LEATHER, ALLOY WHEELS, BACKUP CAMERA, PARK ASSIST, LANE ASSIST, REAR CROSS TRAFFIC ALERT, BLIN...

    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: 3GKALYEV1NL300630
    Stock: 300630T
    Certified Pre-Owned: No
    Listed since: 04-23-2025

    • 35,327 miles
    • No accidents, 1 owner, personal use only
    • 5 Seats, 26 City / 30 Hwy MPG
    • CarMax Tallahassee (305 mi away)
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    • Tire Pressure Warnin...
    Close

    Located in Tallahassee, FL / 305 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:

    27 Combined MPG (26 City/30 Highway)

    Listing Information:

    VIN: 3GKALMEV6ML382989
    Stock: 26961247
    Certified Pre-Owned: No

  • Price Drop
    • 62,838 miles
    • No accidents, 1 owner, personal use only
    • 5 Seats, 26 City / 30 Hwy MPG
    • Buick Lakeland (354 mi away)
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    • Power Driver Seat
    Close

    Located in Lakeland, FL / 354 miles away from Charleston, SC

    Clean CARFAX. CARFAX One-Owner. Certified. Satin Steel Metallic 2021 GMC Terrain SLE FWD 9-Speed Automatic 1.5L DOHC Recent Service, Fully Detailed, P...

    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: 3GKALMEV1ML338639
    Stock: ML338639
    Certified Pre-Owned: No
    Listed since: 05-08-2025

  • New Listing
    • 62,811 miles
    • No accidents, 2 owners, corporate fleet vehicle
    • 5 Seats, 26 City / 30 Hwy MPG
    • Kissimmee DriveTime (321 mi away)
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    • Tire Pressure Warnin...
    Close

    Located in Kissimmee, FL / 321 miles away from Charleston, SC

    Shop at DriveTime: Get started on your personalized car-buying journey today. With no credit impact, you can get approved for your real, personalized ...

    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:

    27 Combined MPG (26 City/30 Highway)

    Listing Information:

    VIN: 3GKALMEV3ML393562
    Stock: 1120248406
    Certified Pre-Owned: No
    Listed since: 06-13-2025

  • New Listing
    • 72,394 miles
    • No accidents, 1 owner, personal use only
    • 5 Seats, 26 City / 30 Hwy MPG
    • Carvana - Tampa (367 mi away)
    • Home delivery*
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    • Upgraded Headlights
    Close

    Located in Tampa, FL / 367 miles away from Charleston, SC

    At Carvana, we go miles beyond the extra mile. That's why we provide you with a convenient, fast, and hassle-free car buying experience that puts you ...

    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: 3GKALPEV5ML333509
    Stock: 2003785778
    Certified Pre-Owned: No
    Listed since: 06-17-2025

    • 40,736 miles
    • No accidents, 1 owner, personal use
    • 5 Seats, 26 City / 30 Hwy MPG
    • DriveTime Woodbridge (430 mi away)
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    • Power Driver Seat
    Close

    Located in Woodbridge, VA / 430 miles away from Charleston, SC

    Shop at DriveTime: Get started on your personalized car-buying journey today. With no credit impact, you can get approved for your real, personalized ...

    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: 3GKALMEV8ML359228
    Stock: 1630093147
    Certified Pre-Owned: No
    Listed since: 05-30-2025

  • Price Drop
    • 94,086 miles
    • 1 accident, 3 owners, rental vehicle
    • 5 Seats, 25 City / 28 Hwy MPG
    • Cassat DriveTime (203 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Jacksonville, FL / 203 miles away from Charleston, SC

    Shop at DriveTime: Get started on your personalized car-buying journey today. With no credit impact, you can get approved for your real, personalized ...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: No

    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: 3GKALVEV9ML301179
    Stock: 1120245622
    Certified Pre-Owned: No
    Listed since: 04-15-2025

  • Price Drop
    Stock photo**
    $15,467
    great price
    $4,729 below market
    • 81,383 miles
    • No accidents, 1 owner, personal use only
    • 5 Seats, 26 City / 30 Hwy MPG
    • Friendship Chevrolet GMC of Forest City (208 mi away)
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Forest City, NC / 208 miles away from Charleston, SC

    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: 3GKALPEV8LL300163
    Stock: 13N0749A
    Certified Pre-Owned: No
    Listed since: 03-28-2025

  • New Listing
    $17,440
    great price
    $2,635 below market
    • 59,328 miles
    • No accidents, 2 owners, personal use
    • 5 Seats, 25 City / 28 Hwy MPG
    • Hyundai of New Port Richey (357 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Keyless Entry/Start
    Close

    Located in New Port Richey, FL / 357 miles away from Charleston, SC

    Clean CARFAX. 2020 GMC Terrain SLE AWD 1.5L DOHC 9-Speed Automatic* Vehicle pricing includes all offers and incentives. Sales tax, registration fee...

    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: 3GKALTEV8LL298214
    Stock: LL298214
    Certified Pre-Owned: No
    Listed since: 04-19-2025

Showing 22 - 42 out of 3,887 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$18,637$20,105$21,578
Clean$18,241$19,667$21,097
Average$17,579$18,937$20,295
Rough$16,720$17,987$19,253

The average list price of a used 2021 GMC Terrain in Charleston, South Carolina is $21,437. The average mileage on a used GMC Terrain 2021 for sale in Charleston, South Carolina is 51,302. Based on the average mileage of 51,302 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 $17,579.

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