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  • Price Drop
    $19,425
    great price
    $2,060 below market
    • 59,106 miles
    • No accidents, 2 owners, corporate fleet vehicle
    • 5 Seats, 26 City / 30 Hwy MPG
    • Universal Auto Plaza (74 mi away)
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    • Upgraded Headlights
    Close

    Located in Blue Springs, MO / 74 miles away from Topeka, KS

    New Price! 2021 GMC Terrain SLT Elevation Edition, GMC Pro Safety Plus, **CLEAN CARFAX!!, **LEATHER HEATED SEATS, **BACKUP CAMERA, **BLUETOOTH CONNECT...

    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: 3GKALPEV0ML321798
    Stock: 22730
    Certified Pre-Owned: No
    Listed since: 02-19-2025

  • Price Drop
    $21,677
    great price
    $2,191 below market
    • 50,046 miles
    • No accidents, 1 owner, personal use only
    • 5 Seats, 25 City / 28 Hwy MPG
    • EchoPark Automotive Colorado Springs (490 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Colorado Springs, CO / 490 miles away from Topeka, KS

    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:

    26 Combined MPG (25 City/28 Highway)

    Listing Information:

    VIN: 3GKALVEV3ML377013
    Stock: CML377013
    Certified Pre-Owned: No
    Listed since: 05-26-2025

  • Price Drop
    $18,599
    good price
    $755 below market
    • 71,014 miles
    • No accidents, 1 owner, personal use only
    • 5 Seats, 26 City / 30 Hwy MPG
    • South Pointe Honda (211 mi away)
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    • Power Driver Seat
    Close

    Located in Tulsa, OK / 211 miles away from Topeka, KS

    Turbo Charged Engine, WiFi Hotspot, Lane Keeping Assist, Onboard Communications System, iPod/MP3 Input, Back-Up Camera, WHEELS, 18 X 7 (45.7 CM X 17.8...

    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: 3GKALMEV8ML344910
    Stock: ML344910
    Certified Pre-Owned: No
    Listed since: 06-06-2025

  • New Listing
    $18,498
    good price
    $851 below market
    • 68,018 miles
    • No accidents, 1 owner, personal use only
    • 5 Seats, 26 City / 30 Hwy MPG
    • Auffenberg Ford O'Fallon (310 mi away)
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    • Power Driver Seat
    Close

    Located in O Fallon, IL / 310 miles away from Topeka, KS

    2021 GMC Terrain SLE CARFAX One-Owner.Quicksilver Metallic FWD 9-Speed Automatic 1.5L DOHC 8-Way Power Driver Seat Adjuster, Driver & Front Passenger...

    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: 3GKALMEV6ML346087
    Stock: 22873FRCZ
    Certified Pre-Owned: No
    Listed since: 05-02-2025

  • New Listing
    $16,977
    good price
    $1,172 below market
    • 69,726 miles
    • No accidents, 1 owner, personal use only
    • 5 Seats, 26 City / 30 Hwy MPG
    • St Charles Hyundai (273 mi away)
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    • Tire Pressure Warnin...
    Close

    Located in Saint Peters, MO / 273 miles away from Topeka, KS

    Graphite Gray Metallic 2021 GMC Terrain SLE FWD 9-Speed Automatic 1.5L DOHCWe Make AMAZING Happen at St. Charles Hyundai. Serving the St. Charles Co...

    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: 3GKALMEV9ML347816
    Stock: 6358-1
    Certified Pre-Owned: No
    Listed since: 05-03-2025

  • Price Drop
    $18,449
    fair price
    $614 below market
    • 77,336 miles
    • 1 accident, 3 owners, personal use only
    • 5 Seats, 26 City / 30 Hwy MPG
    • Zeigler Cadillac of Lincolnwood (463 mi away)
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    • Upgraded Headlights
    Close

    Located in Lincolnwood, IL / 463 miles away from Topeka, KS

    Recent Arrival! 2021 GMC Terrain SLT Summit White BACKUP CAMERA*, BLUETOOTH w/MUSIC STREAMING*, FULLY SERVICED & MAINTAINED*, LOW FINANCING RATES AVAI...

    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: 3GKALPEV2ML356715
    Stock: P4447
    Certified Pre-Owned: No
    Listed since: 04-17-2025

  • Price Drop
    $21,000
    fair price
    $369 below market
    • 46,691 miles
    • No accidents, 2 owners, corporate fleet vehicle
    • 5 Seats, 25 City / 28 Hwy MPG
    • Victory Chevrolet (75 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    Close

    Located in Savannah, MO / 75 miles away from Topeka, KS

    2021 GMC Terrain SLE AWD Ebony Twilight Metallic** ORIGINAL MSRP ** $33,065** TOTAL OPTIONS ** $1,870OPTIONS & PRICINGDRIVER CONVENIENCE...

    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: 3GKALTEV0ML346970
    Stock: P735592A
    Certified Pre-Owned: No
    Listed since: 05-24-2025

  • Price Drop
    $18,992
    fair price
    $7 above market
    • 102,038 miles
    • No accidents, 3 owners, rental vehicle
    • 5 Seats, 25 City / 28 Hwy MPG
    • Integrity Motors Group (448 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Evansville, IN / 448 miles away from Topeka, KS

    Ebony Twilight Metallic 2021 GMC Terrain SLT AWD 9-Speed Automatic 1.5L DOHC AWD.25/28 City/Highway MPGAll of our vehicles are Carfax certified a...

    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: 3GKALVEV7ML313587
    Stock: 313587
    Certified Pre-Owned: No
    Listed since: 04-26-2025

  • $17,995
    fair price
    $11 below market
    • 102,779 miles
    • 1 accident, 1 owner, personal use only
    • 5 Seats, 25 City / 28 Hwy MPG
    • Auto House of Bloomington (368 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    Close

    Located in Bloomington, IL / 368 miles away from Topeka, KS

    Check out this 2021 GMC TERRAIN SLE! 1 Owner! CLEAN CARFAX! Features include: alloy wheels, cruise control, backup camera, heated seats, & more! CALL ...

    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:

    26 Combined MPG (25 City/28 Highway)

    Listing Information:

    VIN: 3GKALTEV3ML355887
    Stock: 355887
    Certified Pre-Owned: No
    Listed since: 04-18-2025

  • New Listing
    $20,000
    fair price
    $582 below market
    • 78,252 miles
    • No accidents, 2 owners, personal use only
    • 5 Seats, 25 City / 28 Hwy MPG
    • Auffenberg Ford Belleville (308 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Belleville, IL / 308 miles away from Topeka, KS

    2021 GMC Terrain SLT Clean CARFAX.Satin Steel Metallic AWD 9-Speed Automatic 1.5L DOHC AWD, 6-Way Power Front Passenger Seat, 8-Way Power Driver Seat...

    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: 3GKALVEVXML382077
    Stock: 1-23033BDBZ
    Certified Pre-Owned: No
    Listed since: 05-15-2025

  • Price Drop
    $21,222
    good price
    $1,087 below market
    • 49,118 miles
    • No accidents, 1 owner, personal use only
    • 5 Seats, 25 City / 28 Hwy MPG
    • Napleton Chevrolet (454 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    Close

    Located in Columbus, WI / 454 miles away from Topeka, KS

    The Napleton Auto Group promotes a no pressure buying experience that puts the customer in charge of the buying process, and for over 80 years, the Na...

    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: 3GKALTEV6ML333690
    Stock: P4075
    Certified Pre-Owned: No
    Listed since: 05-13-2025

  • $23,892
    fair price
    $226 below market
    • 31,109 miles
    • No accidents, 1 owner, personal use only
    • 5 Seats, 25 City / 28 Hwy MPG
    • Stoops Buick GMC (498 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    Close

    Located in Plainfield, IN / 498 miles away from Topeka, KS

    2021 GMC Terrain SLE Ebony Twilight Metallic AWD 1.5L DOHCPriced below KBB Fair Purchase Price! Odometer is 22515 miles below market average!Clean ...

    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: 3GKALTEV4ML376764
    Stock: 16008
    Certified Pre-Owned: No
    Listed since: 05-28-2025

  • $21,651
    fair price
    $199 below market
    • 79,471 miles
    • No accidents, 1 owner, personal use only
    • 5 Seats, 25 City / 28 Hwy MPG
    • AutoCenters Nissan (289 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Herculaneum, MO / 289 miles away from Topeka, KS

    ONE OWNER with ZERO ACCIDENTS, All Wheel Drive, Terrain SLT, 4D Sport Utility, AWD, Quicksilver Metallic, 2 USB Data Ports, 2 USB Data Ports w/SD Card...

    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: 3GKALVEV3ML401018
    Stock: R84373
    Certified Pre-Owned: No
    Listed since: 05-09-2025

  • Price Drop
    $16,798
    good price
    $720 below market
    • 108,917 miles
    • 1 accident, 1 owner, personal use only
    • 5 Seats, 25 City / 28 Hwy MPG
    • Husker GMC Chevrolet Cadillac (136 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    Close

    Located in Lincoln, NE / 136 miles away from Topeka, KS

    Experience the Road with Confidence: Discover the 2021 GMC Terrain SLE in Graphite Gray MetallicStep into the world of refined driving with the 202...

    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:

    26 Combined MPG (25 City/28 Highway)

    Listing Information:

    VIN: 3GKALTEV6ML356581
    Stock: Q68765A
    Certified Pre-Owned: No
    Listed since: 06-14-2025

  • Price Drop
    $18,500
    good price
    $944 below market
    • 102,357 miles
    • 1 accident, 2 owners, rental vehicle
    • 5 Seats, 25 City / 28 Hwy MPG
    • Gregg Young Buick/GMC (195 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Indianola, IA / 195 miles away from Topeka, KS

    Our striking **2021**GMC**Terrain**SLT**AWD**Heated Steering Wheel**Heated Leather Seats** delivers smart utility and an upscale design you'll love in...

    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: 3GKALVEV8ML333069
    Stock: M3076
    Certified Pre-Owned: No
    Listed since: 05-28-2025

  • New Listing
    $21,998
    fair price
    $118 above market
    • 40,601 miles
    • No accidents, 1 owner, personal use only
    • 5 Seats, 26 City / 30 Hwy MPG
    • CarMax Kansas City (53 mi away)
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    • Power Driver Seat
    Close

    Located in Merriam, KS / 53 miles away from Topeka, KS

    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: 3GKALMEV9ML337349
    Stock: 27437711
    Certified Pre-Owned: No

  • New Listing
    Stock photo**
    $15,000
    fair price
    $113 below market
    • 176,008 miles
    • No accidents, 1 owner, personal use only
    • 5 Seats, 25 City / 28 Hwy MPG
    • Joe Machens Chrysler Dodge Jeep Ram FIAT (180 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Columbia, MO / 180 miles away from Topeka, KS

    AWD, 2 USB Data Ports, 2 USB Data Ports w/SD Card Reader, 6-Speaker Audio System Feature, Adaptive Cruise Control, All-Weather Cargo Mat (LPO), All-We...

    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: 3GKALVEV1ML300401
    Stock: ML300401
    Certified Pre-Owned: No
    Listed since: 06-23-2025

  • New Listing
    $24,998
    fair price
    $347 above market
    • 38,821 miles
    • No accidents, 2 owners, personal use
    • 5 Seats, 25 City / 28 Hwy MPG
    • CarMax Wichita (128 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Wichita, KS / 128 miles away from Topeka, KS

    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: 3GKALVEV0ML357737
    Stock: 27085196
    Certified Pre-Owned: No

  • $21,599
    fair price
    $395 above market
    • 92,824 miles
    • No accidents, 1 owner, personal use only
    • 5 Seats, 25 City / 28 Hwy MPG
    • Hosmer Toyota (308 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Mason City, IA / 308 miles away from Topeka, KS

    ** One Owner Clean CarFax, ** Alloy Wheels, Premium Wheels, ** Apple CarPlay/Android Auto, ** Backup Camera, ** Bluetooth,Hands-Free, ** 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: 3GKALVEV1ML317781
    Stock: A566AH
    Certified Pre-Owned: No
    Listed since: 05-23-2025

  • $13,855
    great price
    • 113,846 miles
    • No accidents, 1 owner, personal use only
    • 5 Seats, 25 City / 30 Hwy MPG
    • Heritage GMC Buick (429 mi away)
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    • Power Driver Seat
    Close

    Located in Rockwall, TX / 429 miles away from Topeka, KS

    Clean CARFAX. CARFAX One-Owner. Summit White 2022 GMC Terrain SLE FWD 1.5L DOHC 9-Speed Automatic 25/30 City/Highway MPG Certified By Carfax - NO ACCI...

    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 (25 City/30 Highway)

    Listing Information:

    VIN: 3GKALMEV6NL217588
    Stock: 325394A
    Certified Pre-Owned: No
    Listed since: 04-23-2025

  • New Listing
    $22,998
    fair price
    $977 above market
    • 32,549 miles
    • No accidents, 1 owner, personal use
    • 5 Seats, 26 City / 30 Hwy MPG
    • CarMax Kenosha (469 mi away)
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    • Blind Spot Monitorin...
    Close

    Located in Kenosha, WI / 469 miles away from Topeka, KS

    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: 3GKALMEV1ML396430
    Stock: 26879298
    Certified Pre-Owned: No

Showing 1 - 21 out of 4,461 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 Topeka, KS Values

Estimated values
2021 GMC Terrain SLT 4dr SUV (1.5L 4cyl Turbo 9A) with no options
ConditionTrade-InPrivate PartyDealer Retail
Outstanding$15,435$16,743$18,056
Clean$15,107$16,379$17,654
Average$14,559$15,770$16,983
Rough$13,847$14,980$16,110

The average list price of a used 2021 GMC Terrain in Topeka, Kansas is $19,720. The average mileage on a used GMC Terrain 2021 for sale in Topeka, Kansas is 75,744. Based on the average mileage of 75,744 for used 2021 GMC Terrain for sale in Topeka, KS 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 Topeka, Kansas to be $14,559.

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