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  • $22,348
    fair price
    $422 above market
    • 55,679 miles
    • No accidents, 1 owner, rental vehicle
    • 5 Seats, 24 City / 29 Hwy MPG
    • Hertz Car Sales Denver (463 mi away)
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    • Upgraded Headlights
    Close

    Located in Englewood, CO / 463 miles away from Billings, MT

    *All prices plus government fees and taxes, any finance charges, any electronic filing charge, and any emission testing charge. The price includes a d...

    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:

    26 Combined MPG (24 City/29 Highway)

    Listing Information:

    VIN: 3GKALPEG5PL166025
    Stock: 59441
    Certified Pre-Owned: No
    Listed since: 04-18-2025

  • $23,998
    fair price
    $264 above market
    • 42,046 miles
    • No accidents, 1 owner, rental vehicle
    • 5 Seats, 24 City / 28 Hwy MPG
    • CarMax Salt Lake (South Jordan) (402 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in South Jordan, UT / 402 miles away from Billings, MT

    CarMax values transparency and wants you to love your next car, not settle on it. Certain vehicles may have unrepaired safety recalls. Check nhtsa.gov...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: No

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    26 Combined MPG (24 City/28 Highway)

    Listing Information:

    VIN: 3GKALVEG9PL159986
    Stock: 27214551
    Certified Pre-Owned: No

    • 42,114 miles
    • No accidents, 1 owner, personal use only
    • 5 Seats, 25 City / 28 Hwy MPG
    • Carvana (In-stock online)
    • Home delivery*
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Dallas, TX / 1,094 miles away from Billings, MT

    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:

    26 Combined MPG (25 City/28 Highway)

    Listing Information:

    VIN: 3GKALVEV5ML314866
    Stock: 2003809065
    Certified Pre-Owned: No
    Listed since: 06-12-2025

  • $22,795
    fair price
    $603 above market
    • 52,291 miles
    • No accidents, 1 owner, rental vehicle
    • 5 Seats, 24 City / 29 Hwy MPG
    • O'Meara Volkswagen of Thornton (446 mi away)
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    • Upgraded Headlights
    Close

    Located in Thornton, CO / 446 miles away from Billings, MT

    Summit White 2023 GMC Terrain SLT CARFAX One-Owner. Clean CARFAX.Terrain SLT, 4D Sport Utility, 1.5L DOHC, 9-Speed Automatic, FWD, Summit White, Jet...

    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/29 Highway)

    Listing Information:

    VIN: 3GKALPEG1PL128324
    Stock: 10050VP
    Certified Pre-Owned: No
    Listed since: 06-04-2025

  • Advertisement

    5 Offers Nearby

    2026 GMC Terrain Denali
    $41,100
    starting MSRP
    • 6 Colors
    • 3 Trims
    • 5 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.
    • 50,514 miles
    • No accidents, 1 owner, personal use only
    • 5 Seats, 25 City / 28 Hwy MPG
    • Carvana (In-stock online)
    • Home delivery*
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Kansas City, MO / 846 miles away from Billings, MT

    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:

    26 Combined MPG (25 City/28 Highway)

    Listing Information:

    VIN: 3GKALVEV0ML341229
    Stock: 2003775597
    Certified Pre-Owned: No
    Listed since: 06-06-2025

  • $31,000
    fair price
    $786 above market
    • 35,982 miles
    • No accidents, 1 owner, personal use
    • 5 Seats, 24 City / 28 Hwy MPG
    • Veracity Motors (376 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Bismarck, ND / 376 miles away from Billings, MT

    2023 GMC Terrain Denali 1.5L DOHC---FULLY LOADED TOP OF THE LINE TRIM LEVEL, ALL WHEEL DRIVE FOR THE CRAZY ND WINTERS, LEATHER INTERIOR, POWER LIFTGAT...

    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: 3GKALXEG9PL155965
    Stock: B5875
    Certified Pre-Owned: No
    Listed since: 06-04-2025

    • 88,401 miles
    • Insurance loss reported, 2 owners, rental vehicle
    • 5 Seats, 25 City / 28 Hwy MPG
    • Zara Auto (462 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Denver, CO / 462 miles away from Billings, MT

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: No

    Personal Use Only: No

    History Provider: AutoCheck

    Title Details: Issue reported

    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: 3GKALVEV0ML324818
    Stock: 19185
    Certified Pre-Owned: No

  • $21,900
    fair price
    $596 above market
    • 79,370 miles
    • No accidents, 2 owners, rental vehicle
    • 5 Seats, 25 City / 28 Hwy MPG
    • Superior Auto Solutions (245 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Spearfish, SD / 245 miles away from Billings, MT

    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: 3GKALVEV2ML391923
    Stock: 391923
    Certified Pre-Owned: No
    Listed since: 06-14-2025

  • Advertisement

    5 Offers Nearby

    2026 GMC Terrain Denali
    $41,100
    starting MSRP
    • 6 Colors
    • 3 Trims
    • 5 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.
  • New Listing
    $19,690
    fair price
    $160 above market
    • 94,886 miles
    • No accidents, 2 owners, rental vehicle
    • 5 Seats, 25 City / 28 Hwy MPG
    • Stevinson Toyota East (460 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Aurora, CO / 460 miles away from Billings, MT

    RECALL NOTICE: Some vehicles offered for sale may be subject to unrepaired manufacturer safety recalls. To determine the recall status of a vehicle, v...

    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: 3GKALVEV3ML335053
    Stock: LFO241417B
    Certified Pre-Owned: No
    Listed since: 04-29-2025

  • $25,877
    fair price
    $829 above market
    • 26,969 miles
    • 1 accident, 2 owners, corporate fleet vehicle
    • 5 Seats, 24 City / 28 Hwy MPG
    • Larry H. Miller Chrysler Jeep Dodge Ram Sandy (401 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Sandy, UT / 401 miles away from Billings, MT

    Marine Metallic 2023 GMC Terrain SLT AWD 9-Speed Automatic 1.5L DOHCOdometer is 25572 miles below market average! 24/28 City/Highway MPG

    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 (24 City/28 Highway)

    Listing Information:

    VIN: 3GKALVEG3PL174080
    Stock: PL174080X
    Certified Pre-Owned: No
    Listed since: 06-08-2025

  • New Listing
    • 5,208 miles
    • No accidents, 1 owner, personal use only
    • 5 Seats, 24 City / 28 Hwy MPG
    • George Gee Kia (427 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    Close

    Located in Liberty Lake, WA / 427 miles away from Billings, MT

    CARFAX One-Owner. Clean CARFAX. Volcanic Red Tintcoat 2023 GMC Terrain SLE AWD 9-Speed Automatic 1.5L DOHC Odometer is 25350 miles below market averag...

    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: 3GKALTEG4PL172424
    Stock: 18421T
    Certified Pre-Owned: No
    Listed since: 05-13-2025

  • New Listing
    $24,949
    fair price
    $111 below market
    • 59,010 miles
    • 5 Seats, 24 City / 28 Hwy MPG
    • AutoNation Buick GMC Park Meadows (469 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Lone Tree, CO / 469 miles away from Billings, MT

    Leather SeatsSterling MetallicLane Keeping AssistKeyless StartLicense Plate Front Mounting PackageAudio System; 8" Diagonal Gmc Infotainment Syst...

    AutoCheck Vehicle History Summary Unavailable.

    Features and Specs:

    26 Combined MPG (24 City/28 Highway)

    Listing Information:

    VIN: 3GKALVEG5PL109506
    Stock: PL109506
    Certified Pre-Owned: No
    Listed since: 07-02-2025

  • Advertisement

    5 Offers Nearby

    2026 GMC Terrain Denali
    $41,100
    starting MSRP
    • 6 Colors
    • 3 Trims
    • 5 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.
  • New Listing
    $20,590
    fair price
    $352 above market
    • 88,660 miles
    • 2 accidents, 1 owner, corporate fleet vehicle
    • 5 Seats, 25 City / 28 Hwy MPG
    • Carvana (In-stock online)
    • Home delivery*
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Upgraded Headlights
    Close

    Located in Philadelphia, PA / 1,722 miles away from Billings, MT

    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: 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: 3GKALTEV7ML313478
    Stock: 2003699723
    Certified Pre-Owned: No
    Listed since: 05-23-2025

  • $25,490
    fair price
    $287 above market
    • 45,779 miles
    • 1 accident, 1 owner, rental vehicle
    • 5 Seats, 24 City / 28 Hwy MPG
    • Urban Motors Blue (452 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Denver, CO / 452 miles away from Billings, MT

    2023 GMC Terrain AT4 AWD. 1 Owner. No Accident CarFax History. Apple CarPlay & Android Auto. Adaptive Cruise Control. Back-Up Camera. Blind Spot Monit...

    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 (24 City/28 Highway)

    Listing Information:

    VIN: 3GKALYEG3PL266582
    Stock: 54670
    Certified Pre-Owned: No
    Listed since: 05-14-2025

  • New Listing
    • 17,367 miles
    • No accidents, 1 owner, personal use only
    • 5 Seats, 21 City / 26 Hwy MPG
    • CarMax Salt Lake (South Jordan) (402 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in South Jordan, UT / 402 miles away from Billings, MT

    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:

    23 Combined MPG (21 City/26 Highway)

    Listing Information:

    VIN: 3GKALXEX6KL140185
    Stock: 27491755
    Certified Pre-Owned: No

    • 20,232 miles
    • No accidents, 1 owner, personal use
    • 5 Seats, 24 City / 28 Hwy MPG
    • Kendall at the Idaho Center Auto Mall (422 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Nampa, ID / 422 miles away from Billings, MT

    AWD, 2 USB Data Ports, 2 USB Data Ports w/SD Card Reader, 3.47 Axle Ratio, 4-Wheel Disc Brakes, 6-Way Power Front Passenger Seat, 7 Speakers, 8-Way Po...

    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: 3GKALXEG1PL269605
    Stock: DU92308
    Certified Pre-Owned: No
    Listed since: 06-16-2025

  • Advertisement

    5 Offers Nearby

    2026 GMC Terrain Denali
    $41,100
    starting MSRP
    • 6 Colors
    • 3 Trims
    • 5 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.
  • $8,900
    great price
    $4,611 below market
    • 172,907 miles
    • No accidents, 3 owners, rental vehicle
    • 5 Seats, 25 City / 28 Hwy MPG
    • THG Auto Broker (399 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Midvale, UT / 399 miles away from Billings, MT

    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: 3GKALVEVXLL104598
    Stock: P104598
    Certified Pre-Owned: No
    Listed since: 06-18-2025

    • 171,353 miles
    • No accidents, 2 owners, personal use only
    • 5 Seats, 25 City / 28 Hwy MPG
    • Parkway Auto Center (448 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Deer Park, WA / 448 miles away from Billings, MT

    Welcome to the ultimate adventure companion - the Black 2021 GMC Terrain! This turbocharged beast packs a punch with its 1.5L engine, while the All-Wh...

    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: 3GKALVEV9ML362869
    Stock: 32463
    Certified Pre-Owned: No

    • 69,011 miles
    • No accidents, 4 owners, rental vehicle
    • 5 Seats, 25 City / 28 Hwy MPG
    • Denny Menholt Cadillac (286 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Rapid City, SD / 286 miles away from Billings, MT

    Vehicle DetailsExperience the perfect blend of style, comfort, and performance with this magnificent 2021 GMC Terrain SLT with AWD! This versatile SUV...

    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: 3GKALVEV7ML306414
    Stock: 250134B1
    Certified Pre-Owned: No
    Listed since: 06-14-2025

    • 87,882 miles
    • No accidents, 2 owners, corporate fleet vehicle
    • 5 Seats, 25 City / 28 Hwy MPG
    • Driveway (In-stock online)
    • Home delivery*
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Salem, OR / 705 miles away from Billings, MT

    CarFax No Accidents Reported,Rare Find,Apple CarPlay,Back-Up Camera,Bluetooth,Hands-Free Liftgate,Heated Seats,Heated Steering Wheel,Keyless Start,Lan...

    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: 3GKALVEV7ML316067
    Stock: V316067
    Certified Pre-Owned: No

  • New Listing
    • 61,017 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 Charlotte, NC / 1,617 miles away from Billings, MT

    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:

    27 Combined MPG (26 City/30 Highway)

    Listing Information:

    VIN: 3GKALMEV6ML330388
    Stock: 2003855525
    Certified Pre-Owned: No
    Listed since: 06-29-2025

Showing 64 - 84 out of 1,067 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 2023 GMC Terrain in Billings, MT Values

Estimated values
2023 GMC Terrain SLT 4dr SUV (1.5L 4cyl Turbo 9A) with no options
ConditionTrade-InPrivate PartyDealer Retail
Outstanding$16,147$17,464$18,951
Clean$15,945$17,227$18,674
Average$15,608$16,831$18,212
Rough$15,170$16,318$17,611

The average list price of a used 2023 GMC Terrain in Billings, Montana is $22,589. The average mileage on a used GMC Terrain 2023 for sale in Billings, Montana is 65,080. Based on the average mileage of 65,080 for used 2023 GMC Terrain for sale in Billings, MT 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 2023 in Billings, Montana to be $15,608.

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