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4,651 listings
  • $19,495
    fair price
    $328 below market
    • 30,473 miles
    • 1 accident, 2 owners, personal use
    • 5 Seats, 26 City / 30 Hwy MPG
    • O'Steen Subaru of Valdosta (193 mi away)
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    • Tire Pressure Warnin...
    Close

    Located in Valdosta, GA / 193 miles away from Augusta, GA

    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

  • $21,882
    fair price
    $232 above market
    • 52,455 miles
    • No accidents, 2 owners, personal use
    • 5 Seats, 26 City / 30 Hwy MPG
    • George Moore Chevrolet (220 mi away)
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Jacksonville, FL / 220 miles away from Augusta, GA

    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
    $594 above market
    • 18,519 miles
    • No accidents, 1 owner, personal use
    • 5 Seats, 26 City / 30 Hwy MPG
    • Hyman Bros. Automobiles West Broad (384 mi away)
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Richmond, VA / 384 miles away from Augusta, GA

    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

  • $19,341
    good price
    $1,387 below market
    • 82,742 miles
    • 1 accident, 2 owners, rental vehicle
    • 5 Seats, 25 City / 28 Hwy MPG
    • Automaxx of the Carolinas (114 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Summerville, SC / 114 miles away from Augusta, GA

    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

  • $19,995
    fair price
    $153 below market
    • 72,466 miles
    • 1 accident, 1 owner, personal use only
    • 5 Seats, 26 City / 30 Hwy MPG
    • Herndon Chevrolet (60 mi away)
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    • Upgraded Headlights
    Close

    Located in Lexington, SC / 60 miles away from Augusta, GA

    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

  • New Listing
    $19,998
    fair price
    $870 above market
    • 62,415 miles
    • No accidents, 1 owner, personal use only
    • 5 Seats, 26 City / 30 Hwy MPG
    • CarMax Lithia Springs (148 mi away)
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    • Power Driver Seat
    Close

    Located in Lithia Springs, GA / 148 miles away from Augusta, GA

    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:

    27 Combined MPG (26 City/30 Highway)

    Listing Information:

    VIN: 3GKALMEV3ML374574
    Stock: 26941122
    Certified Pre-Owned: No

  • Price Drop
    $20,787
    fair price
    $18 above market
    • 42,304 miles
    • No accidents, 2 owners, personal use
    • 5 Seats, 26 City / 30 Hwy MPG
    • First Team Honda (396 mi away)
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    • Blind Spot Monitorin...
    Close

    Located in Chesapeake, VA / 396 miles away from Augusta, GA

    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

  • New Listing
    $23,998
    fair price
    $567 above market
    • 31,474 miles
    • No accidents, 2 owners, personal use
    • 5 Seats, 26 City / 30 Hwy MPG
    • CarMax Gainesville (262 mi away)
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Gainesville, FL / 262 miles away from Augusta, GA

    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: 3GKALPEV7ML358203
    Stock: 27308269
    Certified Pre-Owned: No

  • $26,368
    fair price
    $485 above market
    • 32,032 miles
    • No accidents, 1 owner, personal use
    • 5 Seats, 25 City / 28 Hwy MPG
    • Campbell Chevrolet of Bowling Green (344 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Bowling Green, KY / 344 miles away from Augusta, GA

    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

  • $21,998
    fair price
    $356 above market
    • 33,560 miles
    • No accidents, 2 owners, corporate fleet vehicle
    • 5 Seats, 26 City / 30 Hwy MPG
    • CarMax Indianapolis (498 mi away)
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    • Power Driver Seat
    Close

    Located in Indianapolis, IN / 498 miles away from Augusta, GA

    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: Yes

    Features and Specs:

    27 Combined MPG (26 City/30 Highway)

    Listing Information:

    VIN: 3GKALMEV8ML375459
    Stock: 26926702
    Certified Pre-Owned: No

  • $19,990
    good price
    $878 below market
    • 86,543 miles
    • 1 accident, 3 owners, rental vehicle
    • 5 Seats, 25 City / 28 Hwy MPG
    • Bob Poynter Buick Chevrolet GMC (434 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Seymour, IN / 434 miles away from Augusta, GA

    *Heated leather seats.*Check out this 2021 GMC Terrain SLT. Its Automatic transmission and Turbocharged Gas 1.5L/92 engine will keep you going. This G...

    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: 3GKALVEV9ML301988
    Stock: 25G841D
    Certified Pre-Owned: No
    Listed since: 06-16-2025

  • $21,998
    fair price
    $158 above market
    • 72,830 miles
    • No accidents, 1 owner, personal use only
    • 5 Seats, 25 City / 28 Hwy MPG
    • CarMax Jacksonville NC (283 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Jacksonville, NC / 283 miles away from Augusta, GA

    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:

    26 Combined MPG (25 City/28 Highway)

    Listing Information:

    VIN: 3GKALVEV4ML376078
    Stock: 26854280
    Certified Pre-Owned: No

  • $23,588
    fair price
    $578 above market
    • 47,751 miles
    • No accidents, 1 owner, personal use only
    • 5 Seats, 25 City / 28 Hwy MPG
    • Rich Morton Mazda (495 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Pasadena, MD / 495 miles away from Augusta, GA

    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

  • $24,490
    fair price
    $446 above market
    • 34,763 miles
    • No accidents, 1 owner, corporate fleet vehicle
    • 5 Seats, 26 City / 30 Hwy MPG
    • Boyd Honda (277 mi away)
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Oxford, NC / 277 miles away from Augusta, GA

    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

  • New Listing
    Stock photo**
    $21,308
    good price
    $853 below market
    • 63,688 miles
    • 1 accident, 1 owner, personal use only
    • 5 Seats, 26 City / 30 Hwy MPG
    • John Thornton Buick GMC (174 mi away)
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Carrollton, GA / 174 miles away from Augusta, GA

    Recent Arrival! Thank you for considering this beautiful 2021 GMC Terrain SLT finished in stunning Quicksilver Metallic with Medium Ash Gray/Jet Black...

    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: 3GKALPEV3ML345352
    Stock: RSG818A
    Certified Pre-Owned: No
    Listed since: 06-20-2025

  • New Listing
    Stock photo**
    $19,999
    good price
    $1,288 below market
    • 42,769 miles
    • 3 accidents, 3 owners, personal use only
    • 5 Seats, 26 City / 30 Hwy MPG
    • Wetzel Chevrolet (465 mi away)
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    • Power Driver Seat
    Close

    Located in Richmond, IN / 465 miles away from Augusta, GA

    *APPLE CARPLAY*, *LANE DEPARTURE WARNING*, *PUSH BUTTON START*, *REMOTE START*, Android Auto and Apple CarPlay, Automatic emergency braking, Forward c...

    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: 3GKALMEV9ML369766
    Stock: C98374
    Certified Pre-Owned: No
    Listed since: 06-17-2025

  • Price Drop
    $21,880
    fair price
    $410 above market
    • 47,527 miles
    • 1 accident, 2 owners, personal use only
    • 5 Seats, 26 City / 30 Hwy MPG
    • Burlington Kia (232 mi away)
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    • Upgraded Headlights
    Close

    Located in Burlington, NC / 232 miles away from Augusta, GA

    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

    • 28,513 miles
    • No accidents, 1 owner, personal use only
    • 5 Seats, 26 City / 30 Hwy MPG
    • Carvana - Atlanta (138 mi away)
    • Home delivery*
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    • Power Driver Seat
    Close

    Located in Atlanta, GA / 138 miles away from Augusta, GA

    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

    • 17,550 miles
    • No accidents, 1 owner, personal use only
    • 5 Seats, 26 City / 30 Hwy MPG
    • CarMax Winchester (448 mi away)
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    • Keyless Entry/Start
    Close

    Located in Winchester, VA / 448 miles away from Augusta, GA

    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

  • New Listing
    • 33,700 miles
    • No accidents, 1 owner, personal use only
    • 5 Seats, 26 City / 30 Hwy MPG
    • CarMax Columbia (67 mi away)
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    • Upgraded Headlights
    Close

    Located in Columbia, SC / 67 miles away from Augusta, GA

    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: 3GKALPEV1ML321034
    Stock: 27125340
    Certified Pre-Owned: No

    • 28,810 miles
    • No accidents, 1 owner, corporate fleet vehicle
    • 5 Seats, 26 City / 30 Hwy MPG
    • Ray Skillman Chevrolet (483 mi away)
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    • Upgraded Headlights
    Close

    Located in Indianapolis, IN / 483 miles away from Augusta, GA

    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: Yes

    Features and Specs:

    28 Combined MPG (26 City/30 Highway)

    Listing Information:

    VIN: 3GKALPEV5ML339293
    Stock: P11065
    Certified Pre-Owned: No
    Listed since: 03-17-2025

Showing 22 - 42 out of 4,651 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 Augusta, GA Values

Estimated values
2021 GMC Terrain SLE 4dr SUV (1.5L 4cyl Turbo 9A) with no options
ConditionTrade-InPrivate PartyDealer Retail
Outstanding$17,690$19,333$20,981
Clean$17,314$18,912$20,513
Average$16,686$18,210$19,733
Rough$15,870$17,297$18,720

The average list price of a used 2021 GMC Terrain in Augusta, Georgia is $22,451. The average mileage on a used GMC Terrain 2021 for sale in Augusta, Georgia is 45,852. Based on the average mileage of 45,852 for used 2021 GMC Terrain for sale in Augusta, GA 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 Augusta, Georgia to be $16,686.

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