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  • Price Drop
    $24,250
    great price
    $3,919 below market
    11,059 miles
    No accidents, 1 Owner, Personal use
    4cyl Automatic
    Station GMC (23 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    Close

    Located in Mansfield, MA / 23 miles away from Boston, MA

    Priced below KBB Fair Purchase Price! Clean CARFAX. AWD, 6 Speakers, 6-Speaker Audio System Feature, 8-Way Power Driver Seat Adjuster, Adaptive Cruise...

    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: 3GKALTEV3ML357249
    Stock: Z1697
    Certified Pre-Owned: Yes
    Listed since: 04-01-2024

  • Price Drop
    $23,500
    great price
    $2,457 below market
    20,346 miles
    No accidents, 1 Owner, Personal use
    4cyl Automatic
    McGovern Subaru (53 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Keyless Entry/Start
    Close

    Located in Newington, NH / 53 miles away from Boston, MA

    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: 3GKALTEVXML362867
    Stock: SB2569
    Certified Pre-Owned: No
    Listed since: 03-27-2024

  • $23,487
    great price
    $3,001 below market
    22,816 miles
    No accidents, 1 Owner, Personal use
    4cyl Automatic
    Banks Chevrolet Buick GMC (62 mi away)
    Home delivery*
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    Close

    Located in Concord, NH / 62 miles away from Boston, MA

    2 USB Data Ports w/Auxiliary Input Jack,4-Way Manual Front Passenger Seat,6-Speaker Audio System Feature,8-Way Power Driver Seat Adjuster,Adaptive Cru...

    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: 3GKALTEV9ML327205
    Stock: T27205
    Certified Pre-Owned: Yes
    Listed since: 02-12-2024

  • $24,000
    great price
    $2,922 below market
    28,900 miles
    No accidents, 1 Owner, Personal use
    4cyl Automatic
    AutoMax PreOwned Framingham (20 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Sunroof/Moonroof
    • Keyless Entry/Start
    Close

    Located in Framingham, MA / 20 miles away from Boston, MA

    AWD SLE Elevation Edition - Satin Steel Metallic Gray exterior on Jet Black interior with Panorama Sunroof / Moonroof, Remote Start, Apple CarPlay / A...

    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: 3GKALTEV8ML361720
    Stock: 361720
    Certified Pre-Owned: No
    Listed since: 02-28-2024

  • Advertisement
    Also Consider

    9 Offers Nearby

    2024 GMC Terrain SLE
    • 6 Colors
    • 4 Trims
    • 6 Packages
    View Offers
    *The Manufacturer’s Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees, and optional equipment. Dealer sets final price. Click here to see all GMC vehicles’ destination freight charges.
  • Price Drop
    $25,788
    great price
    $2,348 below market
    19,650 miles
    No accidents, 1 Owner, Personal use
    4cyl Automatic
    Herb Chambers Cadillac of Lynnfield (11 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Lynnfield, MA / 11 miles away from Boston, MA

    INSPECTION COMPLETED Every Herb Chambers Certified pre-owned vehicles receives a complete multi-point inspection by factory trained technicians who in...

    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: 3GKALVEV4ML316687
    Stock: CL2897
    Certified Pre-Owned: No
    Listed since: 04-16-2024

  • Price Drop
    $22,135
    great price
    $2,851 below market
    62,595 miles
    No accidents, 1 Owner, Personal use
    4cyl Automatic
    McGee Mazda of Claremont (96 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Sunroof/Moonroof
    Close

    Located in Claremont, NH / 96 miles away from Boston, MA

    2021 GMC Terrain SLE AWD. 4D Sport Utility Summit White AWD 9-Speed Automatic 1.5L DOHC 25/28 City/Highway MPG *Why Buy at McGee Mazda Claremont* --...

    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: 3GKALTEV2ML343455
    Stock: ZP392
    Certified Pre-Owned: No
    Listed since: 03-05-2024

  • Price Drop
    $24,950
    great price
    $2,004 below market
    15,492 miles
    No accidents, 1 Owner, Personal use
    4cyl Automatic
    Marty’s GMC (31 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    Close

    Located in Kingston, MA / 31 miles away from Boston, MA

    *PASSED - 172 Point Vehicle Inspection & Reconditioning Certification!*, *EXCELLENT Service History!*, *Non-Smoker*, Bluetooth, Rear View Camera, 2 US...

    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: 3GKALTEV5ML375879
    Stock: 224272A
    Certified Pre-Owned: Yes
    Listed since: 04-13-2024

  • $24,500
    good price
    $1,807 below market
    25,591 miles
    No accidents, 1 Owner, Personal use
    4cyl Automatic
    Station GMC (23 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    Close

    Located in Mansfield, MA / 23 miles away from Boston, MA

    Clean CARFAX. AWD, 2 USB Data Ports w/Auxiliary Input Jack, 6 Speakers, Adaptive Cruise Control, AM/FM radio, Floor Liner Package (LPO), Front & Rear ...

    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: 3GKALTEV8ML321928
    Stock: B1942A
    Certified Pre-Owned: Yes
    Listed since: 03-30-2024

  • Advertisement
    Also Consider

    9 Offers Nearby

    2024 GMC Terrain SLE
    • 6 Colors
    • 4 Trims
    • 6 Packages
    View Offers
    *The Manufacturer’s Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees, and optional equipment. Dealer sets final price. Click here to see all GMC vehicles’ destination freight charges.
  • $24,998
    good price
    $1,788 below market
    32,762 miles
    No accidents, 1 Owner, Personal use
    4cyl Automatic
    Herb Chambers Lincoln of Westborough (31 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Westborough, MA / 31 miles away from Boston, MA

    INSPECTION COMPLETED Every Herb Chambers Certified pre-owned vehicles receives a complete multi-point inspection by factory trained technicians who in...

    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: 3GKALVEV3ML401441
    Stock: LP2858
    Certified Pre-Owned: No
    Listed since: 04-06-2024

  • $29,999
    fair price
    $404 below market
    15,532 miles
    No accidents, 1 Owner, Personal use
    4cyl Automatic
    Central Buick GMC (12 mi away)
    Home delivery*
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Norwood, MA / 12 miles away from Boston, MA

    SOOOOO SHARP ! This Loaded, Low Mileage, Certified SLT has it all including sunroof, heated leather seating, navigation, backup camera, plenty of safe...

    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: 3GKALVEV4ML367865
    Stock: GM2818
    Certified Pre-Owned: Yes
    Listed since: 03-12-2024

  • $22,990
    fair price
    $389 above market
    57,343 miles
    No accidents, Corporate fleet vehicle
    4cyl Automatic
    North End Motors (13 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Canton, MA / 13 miles away from Boston, MA

    Forward Collision Warning, Pre-Collision System (PCS), Forward Emergency Braking (FEB), Rear View Camera, Apple CarPlay, Google Android Auto, Bluetoot...

    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: 3GKALVEV7ML300077
    Stock: B23262
    Certified Pre-Owned: No
    Listed since: 04-04-2024

  • $25,995
    fair price
    $312 below market
    41,111 miles
    No accidents, 1 Owner, Personal use only
    4cyl Automatic
    Fairfield's Buick GMC (74 mi away)
    Home delivery*
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Keene, NH / 74 miles away from Boston, MA

    CARFAX One-Owner. This 2021 Graphite Gray Metallic GMC Terrain SLT AWD is well equipped and includes these features and benefits:Clean CARFAX. 25/28 C...

    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: 3GKALVEV9ML344193
    Stock: UC8958
    Certified Pre-Owned: No
    Listed since: 03-25-2024

  • Price Drop
    $21,500
    good price
    $888 below market
    76,687 miles
    No accidents, 1 Owner, Personal use
    4cyl Automatic
    North End Motors (13 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Keyless Entry/Start
    Close

    Located in Canton, MA / 13 miles away from Boston, MA

    Blind Spot Monitor, Rear Cross Traffic Alert, Lane Departure Alert (LDA), Pre-Collision System (PCS), Forward Emergency Braking (FEB), Distance Pacing...

    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: 3GKALTEV1ML363583
    Stock: B23338
    Certified Pre-Owned: No
    Listed since: 04-23-2024

  • Price Drop
    $29,487
    fair price
    $419 below market
    14,768 miles
    No accidents, 1 Owner, Personal use
    4cyl Automatic
    Banks Chevrolet Buick GMC (62 mi away)
    Home delivery*
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Concord, NH / 62 miles away from Boston, MA

    2 USB Data Ports,2 USB Data Ports w/SD Card Reader,6-Way Power Front Passenger Seat,8-Way Power Driver Seat Adjuster,Adaptive Cruise Control,AM/FM rad...

    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: 3GKALVEVXML338385
    Stock: T38385A
    Certified Pre-Owned: Yes
    Listed since: 04-23-2024

  • $22,974
    fair price
    $519 below market
    35,981 miles
    No accidents, 1 Owner, Personal use
    4cyl Automatic
    Brustolon Buick GMC (83 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    Close

    Located in Mystic, CT / 83 miles away from Boston, MA

    CARFAX One-Owner. Clean CARFAX. Summit White 2021 GMC Terrain SLE 4D Sport Utility AWD 9-Speed Automatic 1.5L DOHC 25/28 City/Highway MPG Family owned...

    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: 3GKALTEV4ML352660
    Stock: 5652P
    Certified Pre-Owned: No
    Listed since: 05-02-2024

  • $26,487
    good price
    $1,036 below market
    40,096 miles
    No accidents, 1 Owner, Personal use
    4cyl Automatic
    Banks Chevrolet Buick GMC (62 mi away)
    Home delivery*
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Concord, NH / 62 miles away from Boston, MA

    2 USB Data Ports,2 USB Data Ports w/SD Card Reader,6-Way Power Front Passenger Seat,8-Way Power Driver Seat Adjuster,Adaptive Cruise Control,AM/FM rad...

    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: 3GKALVEV9ML316992
    Stock: T16992
    Certified Pre-Owned: Yes
    Listed since: 04-09-2024

  • $25,998
    fair price
    $864 above market
    26,142 miles
    No accidents, 1 Owner, Personal use
    4cyl Automatic
    Herb Chambers Chevrolet of Danvers (15 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    Close

    Located in Danvers, MA / 15 miles away from Boston, MA

    INSPECTION COMPLETED Every Herb Chambers Certified pre-owned vehicles receives a complete multi-point inspection by factory trained technicians who in...

    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: 3GKALTEV9ML397187
    Stock: 252758A
    Certified Pre-Owned: No
    Listed since: 04-08-2024

  • $25,888
    fair price
    $729 above market
    24,406 miles
    No accidents, 1 Owner, Personal use
    4cyl Automatic
    Herb Chambers Cadillac of Lynnfield (11 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Lynnfield, MA / 11 miles away from Boston, MA

    INSPECTION COMPLETED Every Herb Chambers Certified pre-owned vehicles receives a complete multi-point inspection by factory trained technicians who in...

    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: 3GKALVEV5ML303138
    Stock: CL2887
    Certified Pre-Owned: No
    Listed since: 04-16-2024

  • Stock photo**
    $28,987
    fair price
    $922 below market
    19,709 miles
    No accidents, 1 Owner, Personal use
    4cyl Automatic
    Banks Chevrolet Buick GMC (62 mi away)
    Home delivery*
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Concord, NH / 62 miles away from Boston, MA

    AWD.CARFAX One-Owner. Clean CARFAX.Certified. GMC Certified Pre-Owned Details:* 24 months/24,000 miles (whichever comes first) Certified Pre-Owned Sch...

    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: 3GKALVEV3ML325932
    Stock: T25932
    Certified Pre-Owned: Yes
    Listed since: 05-01-2024

  • Price Drop
    $23,500
    fair price
    $173 above market
    38,931 miles
    No accidents, 1 Owner, Personal use
    4cyl Automatic
    North End Motors (13 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    Close

    Located in Canton, MA / 13 miles away from Boston, MA

    Pre-Collision System (PCS), Forward Emergency Braking (FEB), Rear View Camera, Apple CarPlay, Google Android Auto, Bluetooth Handsfree, Heated Front S...

    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: 3GKALTEV2ML303425
    Stock: B23352
    Certified Pre-Owned: No
    Listed since: 04-26-2024

  • Price Drop
    $21,445
    good price
    $1,208 below market
    76,549 miles
    1 Accident, 2 Owners, Personal use
    4cyl Automatic
    Merchants Auto (52 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Hooksett, NH / 52 miles away from Boston, MA

    It's time to take a look at our One Owner 2021 GMC Terrain SLT AWD that delivers smart utility and an upscale design you'll love in Quicksilver Metall...

    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: 3GKALVEV9ML317995
    Stock: 77651
    Certified Pre-Owned: No
    Listed since: 02-12-2024

Showing 1 - 21 out of 1,077 listings

Consumer Reviews for the GMC Terrain

Read recent reviews for the GMC Terrain
Overall Consumer Rating
4.1 out of 5 stars52 Reviews
Write a vehicle reviewSee all 52 reviews
  • 5 star
    (56%)
  • 4 star
    (19%)
  • 3 star
    (8%)
  • 2 star
    (10%)
  • 1 star
    (8%)
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 Boston, MA Values

Estimated values
2021 GMC Terrain SLE 4dr SUV AWD (1.5L 4cyl Turbo 9A) with no options
ConditionTrade-InPrivate PartyDealer Retail
Outstanding$19,378$21,421$23,555
Clean$19,053$21,045$23,123
Average$18,510$20,418$22,403
Rough$17,805$19,603$21,468

The average list price of a used 2021 GMC Terrain in Boston, Massachusetts is $24,898. The average mileage on a used GMC Terrain 2021 for sale in Boston, Massachusetts is 33,641. Based on the average mileage of 33,641 for used 2021 GMC Terrain for sale in Boston, MA 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 Boston, Massachusetts to be $18,510.

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Edmunds' ratings are backed by 15+ years of pricing research done by our data scientistsHow are ratings determined?We analyze millions of data points to generate our ratings. We look at vehicle configuration, options, history, nearby transactions, market pricing and more — the ratings are up-to-date and relevant to your search area.

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