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2,322 listings
  • $12,085
    great price
    $5,256 below market
    • 100,765 miles
    • No accidents, 2 owners, corporate fleet vehicle
    • 5 Seats, 26 City / 30 Hwy MPG
    • G Motors (108 mi away)
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    • Upgraded Headlights
    Close

    Located in Monroe, NJ / 108 miles away from New Haven, CT

    G Motors Auto Group has been in business since 2016 with five locations and over 900 cars in inventory. As a family-owned business, we are focused on ...

    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: 3GKALPEV0LL241111
    Stock: MON241111
    Certified Pre-Owned: No
    Listed since: 04-16-2025

    • 26,982 miles
    • No accidents, 2 owners, personal use
    • 5 Seats, 25 City / 28 Hwy MPG
    • Mt Kisco Chevrolet (41 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Mount Kisco, NY / 41 miles away from New Haven, CT

    2021 GMC TERRAIN SLT AWD, 1.5L 4CYL TURBO, HEATED LEATHER SEATS, NICE TRADE, * BACKUP CAMERA, * Bluetooth , * LEATHER, * CLEAN CARFAX, * AWD, *GMC CE...

    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: 3GKALVEV7ML392288
    Stock: P5844
    Certified Pre-Owned: No
    Listed since: 04-25-2025

    • 17,550 miles
    • No accidents, 1 owner, personal use only
    • 5 Seats, 26 City / 30 Hwy MPG
    • CarMax (In-stock online)
    • Transfer available from VA to CT*
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    • Keyless Entry/Start
    Close

    Located in Winchester, VA / 314 miles away from New Haven, CT

    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

  • $22,590
    fair price
    $938 above market
    • 28,513 miles
    • No accidents, 1 owner, personal use only
    • 5 Seats, 26 City / 30 Hwy MPG
    • Carvana (In-stock online)
    • Home delivery*
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    • Power Driver Seat
    Close

    Located in Atlanta, GA / 816 miles away from New Haven, CT

    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

  • $22,999
    great price
    $3,031 below market
    • 22,685 miles
    • No accidents, 1 owner, rental vehicle
    • 5 Seats, 23 City / 28 Hwy MPG
    • Romeo Chevrolet Buick GMC (71 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    Close

    Located in Lake Katrine, NY / 71 miles away from New Haven, CT

    Romeo GM Center Proudly presents this 2024 GMC Terrain with Preferred Equipment Group 3SA, 2 USB Data Ports w/Auxiliary Input Jack, 3.47 Final Drive 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:

    25 Combined MPG (23 City/28 Highway)

    Listing Information:

    VIN: 3GKALTEG2RL372365
    Stock: KM25122R
    Certified Pre-Owned: No
    Listed since: 04-26-2025

  • $26,563
    great price
    $3,990 below market
    • 7,646 miles
    • No accidents, personal use only
    • 5 Seats, 23 City / 28 Hwy MPG
    • Ingersoll Auto of Danbury (26 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Danbury, CT / 26 miles away from New Haven, CT

    Clean CARFAX. Terrain SLT, AWD, 8-Way Power Driver Seat Adjuster, Adaptive Cruise Control, AM/FM radio: SiriusXM, Bluetooth? For Phone, GMC Pro Safety...

    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:

    25 Combined MPG (23 City/28 Highway)

    Listing Information:

    VIN: 3GKALVEG3RL275753
    Stock: A275753
    Certified Pre-Owned: No
    Listed since: 03-07-2025

    • 18,441 miles
    • No accidents, 1 owner, personal use
    • 5 Seats, 26 City / 30 Hwy MPG
    • Carvana (In-stock online)
    • Home delivery*
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    • Keyless Entry/Start
    Close

    Located in Cleveland, OH / 454 miles away from New Haven, CT

    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: 3GKALPEV2ML387799
    Stock: 2003751065
    Certified Pre-Owned: No
    Listed since: 06-11-2025

    • 74,082 miles
    • No accidents, 2 owners, personal use
    • 5 Seats, 26 City / 30 Hwy MPG
    • Green Brook Buick GMC (94 mi away)
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    • Upgraded Headlights
    Close

    Located in Green Brook, NJ / 94 miles away from New Haven, CT

    Certified. Quicksilver Metallic 2021 GMC Terrain SLT FWD 9-Speed Automatic 1.5L DOHCRecent Arrival! Odometer is 1026 miles below market average! 25/30...

    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: 3GKALPEV1ML346337
    Stock: 185709A
    Certified Pre-Owned: No
    Listed since: 05-11-2025

    • 30,241 miles
    • No accidents, 1 owner, personal use only
    • 5 Seats, 21 City / 26 Hwy MPG
    • O'Neil GMC (135 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Warminster, PA / 135 miles away from New Haven, CT

    This 2019 GMC Terrain Denali in Ebony Twilight Metallic features: 2.0L Turbocharged 9-Speed Automatic AWD CARFAX One-Owner. Clean CARFAX.Odometer is...

    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:

    23 Combined MPG (21 City/26 Highway)

    Listing Information:

    VIN: 3GKALXEX8KL253362
    Stock: G12277B
    Certified Pre-Owned: No
    Listed since: 05-24-2025

  • $10,999
    great price
    $3,693 below market
    • 110,701 miles
    • No accidents, 1 owner, personal use
    • 5 Seats, 24 City / 28 Hwy MPG
    • Auto Spot of Mountain Lakes (85 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Mountain Lakes, NJ / 85 miles away from New Haven, CT

    Price includes all costs to be paid by consumer, except for licensing costs, registration fees, retail package, title and taxes. Any monetary discount...

    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 (24 City/28 Highway)

    Listing Information:

    VIN: 3GKALVEV1JL318859
    Stock: 318859-59
    Certified Pre-Owned: No

  • Price Drop
    • 35,327 miles
    • No accidents, 1 owner, personal use only
    • 5 Seats, 26 City / 30 Hwy MPG
    • CarMax (In-stock online)
    • Transfer available from FL to CT*
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    • Tire Pressure Warnin...
    Close

    Located in Tallahassee, FL / 984 miles away from New Haven, CT

    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

    • 63,688 miles
    • No accidents, 1 owner, personal use only
    • 5 Seats, 21 City / 26 Hwy MPG
    • Hudson Cadillac Buick GMC (55 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Poughkeepsie, NY / 55 miles away from New Haven, CT

    Heated Leather Seats, Sunroof, Navigation, Power Liftgate, All Wheel Drive, Turbo Charged, Alloy Wheels, Trailer Hitch, ADVANCED SAFETY PACKAGE, TRAIL...

    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:

    23 Combined MPG (21 City/26 Highway)

    Listing Information:

    VIN: 3GKALXEX1KL169464
    Stock: 31626
    Certified Pre-Owned: No
    Listed since: 06-16-2025

  • Price Drop
    • 24,759 miles
    • No accidents, 1 owner, personal use only
    • 5 Seats, 24 City / 28 Hwy MPG
    • Fred Beans Ford (133 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Doylestown, PA / 133 miles away from New Haven, CT

    2023 GMC Terrain AT4 1.5L DOHC 9-Speed Automatic AWD 4D Sport Utility Summit White 3 Month / 4,000 Mile Comprehensive Warranty, Ford Blue Advantage Ce...

    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 (24 City/28 Highway)

    Listing Information:

    VIN: 3GKALYEG1PL212259
    Stock: F5176K
    Certified Pre-Owned: No
    Listed since: 05-30-2025

  • New Listing
    • 96,298 miles
    • No accidents, 2 owners, corporate fleet vehicle
    • 5 Seats, 26 City / 30 Hwy MPG
    • Carvana (In-stock online)
    • Home delivery*
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    • Upgraded Headlights
    Close

    Located in Dallas, TX / 1,434 miles away from New Haven, CT

    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: 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: 3GKALPEV0ML315600
    Stock: 2003733444
    Certified Pre-Owned: No
    Listed since: 05-21-2025

    • 69,641 miles
    • No accidents, 1 owner, rental vehicle
    • 5 Seats, 24 City / 28 Hwy MPG
    • Key Ford of Exeter (149 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Exeter, PA / 149 miles away from New Haven, CT

    2023 GMC Terrain SLT CARFAX One-Owner. Call Key Ford of Exeter at 272-260-3194 to schedule a test drive today! This Terrain SLT is nicely equipped wit...

    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 (24 City/28 Highway)

    Listing Information:

    VIN: 3GKALVEG3PL154668
    Stock: EU259
    Certified Pre-Owned: No
    Listed since: 05-01-2025

  • Price Drop
    $13,977
    great price
    $3,874 below market
    • 98,974 miles
    • No accidents, 1 owner, personal use only
    • 5 Seats, 25 City / 28 Hwy MPG
    • Lovering Volvo Cars Concord (148 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Keyless Entry/Start
    Close

    Located in Concord, NH / 148 miles away from New Haven, CT

    2020 GMC Terrain SLE w/ 8" HD Color Touchscreen, Apple CarPlay/Android Auto, Heated Front Seats, Dual Zone Automatic Climate Control, Remote Vehicle 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: 3GKALTEVXLL100880
    Stock: 8953A
    Certified Pre-Owned: No
    Listed since: 04-04-2025

  • New Listing
    • 33,700 miles
    • No accidents, 1 owner, personal use only
    • 5 Seats, 26 City / 30 Hwy MPG
    • CarMax (In-stock online)
    • Transfer available from SC to CT*
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    • Upgraded Headlights
    Close

    Located in Columbia, SC / 672 miles away from New Haven, CT

    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

  • New Listing
    • 57,494 miles
    • No accidents, 2 owners, personal use only
    • 5 Seats, 26 City / 30 Hwy MPG
    • CarMax (In-stock online)
    • Transfer available from CA to CT*
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    • Tire Pressure Warnin...
    Close

    Located in Murrieta, CA / 2,459 miles away from New Haven, CT

    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: 3GKALMEV1ML348474
    Stock: 27270357
    Certified Pre-Owned: No

    • 44,088 miles
    • No accidents, 2 owners, personal use
    • 5 Seats, 25 City / 28 Hwy MPG
    • Granite Run Buick GMC (163 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    Close

    Located in Media, PA / 163 miles away from New Haven, CT

    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: 3GKALTEV4ML360743
    Stock: 25B219A
    Certified Pre-Owned: No
    Listed since: 04-21-2025

  • New Listing
    $19,998
    fair price
    $647 above market
    • 62,415 miles
    • No accidents, 1 owner, personal use only
    • 5 Seats, 26 City / 30 Hwy MPG
    • CarMax (In-stock online)
    • Transfer available from GA to CT*
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    • Power Driver Seat
    Close

    Located in Lithia Springs, GA / 823 miles away from New Haven, CT

    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

    • 34,430 miles
    • No accidents, 2 owners, personal use
    • 5 Seats, 25 City / 28 Hwy MPG
    • Huntington Honda (41 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    Close

    Located in Huntington, NY / 41 miles away from New Haven, CT

    This 2021 GMC Terrain AWD SLE is now in our Clearance Corner and won't last long at Certicare of Huntington Honda! Premium Installed Options include d...

    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: 3GKALTEV4ML323773
    Stock: HHW14156
    Certified Pre-Owned: No
    Listed since: 02-27-2025

Showing 316 - 336 out of 2,322 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 2020 GMC Terrain in New Haven, CT Values

Estimated values
2020 GMC Terrain SLT 4dr SUV (1.5L 4cyl Turbo 9A) with no options
ConditionTrade-InPrivate PartyDealer Retail
Outstanding$16,130$18,421$20,626
Clean$15,712$17,938$20,079
Average$15,016$17,133$19,167
Rough$14,111$16,087$17,982

The average list price of a used 2020 GMC Terrain in New Haven, Connecticut is $21,941. The average mileage on a used GMC Terrain 2020 for sale in New Haven, Connecticut is 50,401. Based on the average mileage of 50,401 for used 2020 GMC Terrain for sale in New Haven, CT 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 2020 in New Haven, Connecticut to be $15,016.

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