Used 2020 GMC Terrain for Sale near Colorado
109 results
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 1.5L I4
- Exterior color:
- Black
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 89,840
- Stock #:
- 287488
- VIN:
- 3GKALTEV1LL287488
Sponsored by Metro Area Auto Sales
2020 GMC Terrain
SLE AWD
89,840 mi
$18,387
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 1.5L I4
- Exterior color:
- Summit White
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 88,541
- Stock #:
- 8428GA
- VIN:
- 3GKALVEV5LL148265
-$1,100
Sponsored Listing
2020 GMC Terrain
SLT AWD
88,541 mi
$18,787
$17,687
- Year:
- 2019
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 1.5L I4
- Exterior color:
- Black (Ebony Twilight Metallic)
- Combined gas mileage:
- 28 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 98,678
- Stock #:
- T368484
- VIN:
- 3GKALMEV9KL368484
-$270
Sponsored Listing
2019 GMC Terrain
SLE
98,678 mi
$13,298
$13,028
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 1.5L I4
- Exterior color:
- Summit White
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 88,541
- Stock #:
- 8428GA
- VIN:
- 3GKALVEV5LL148265
-$1,100
2020 GMC Terrain
SLT AWD
88,541 mi
$18,787
$17,687
- Year:
- 2021
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 170 hp 1.5L I4
- Exterior color:
- Summit White
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 58,437
- Stock #:
- TJ328978A
- VIN:
- 3GKALVEVXML346731
-$2,103
2021 GMC Terrain
SLT AWD
58,437 mi
$23,943
$21,840
- Year:
- 2019
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 1.5L I4
- Exterior color:
- Black (Ebony Twilight Metallic)
- Combined gas mileage:
- 28 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 98,678
- Stock #:
- T368484
- VIN:
- 3GKALMEV9KL368484
-$270
2019 GMC Terrain
SLE
98,678 mi
$13,298
$13,028
- Year:
- 2019
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 1.5L I4
- Exterior color:
- Blue Emerald Metallic
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 52,750
- Stock #:
- 12366
- VIN:
- 3GKALTEV0KL345671
2019 GMC Terrain
SLE AWD
52,750 mi
$16,988
- Year:
- 2021
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 170 hp 1.5L I4
- Exterior color:
- Graphite Gray Metallic
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 86,581
- Stock #:
- ML339202
- VIN:
- 3GKALVEV3ML339202
-$599
2021 GMC Terrain
SLT AWD
86,581 mi
$17,898
$17,299
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 1.5L I4
- Exterior color:
- Black (Ebony Twilight Metallic)
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Medium Ash Gray/Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 133,860
- Stock #:
- 10053
- VIN:
- 3GKALVEV2LL253510
2020 GMC Terrain
SLT AWD
133,860 mi
$11,999
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 1.5L I4
- Exterior color:
- White
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Gray
- Transmission:
- 9-Speed Automatic
- Mileage:
- 67,890
- Stock #:
- 243651
- VIN:
- 3GKALVEV3LL243651
2020 GMC Terrain
SLT AWD
67,890 mi
$17,299
- Year:
- 2021
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 170 hp 1.5L I4
- Exterior color:
- Quicksilver Metallic
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Medium Ash Gray/Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 23,191
- Stock #:
- 26391A
- VIN:
- 3GKALMEV9ML318574
2021 GMC Terrain
SLE FWD
23,191 mi
$19,997
- Year:
- 2019
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 1.5L I4
- Exterior color:
- Gray
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 9-Speed Automatic Overdrive
- Mileage:
- 94,336
- Stock #:
- KL195380
- VIN:
- 3GKALPEV6KL195380
2019 GMC Terrain
SLT
94,336 mi
$15,074
- Year:
- 2019
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 252 hp 2L I4
- Exterior color:
- Blue
- Combined gas mileage:
- 23 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 92,159
- Stock #:
- KBB7891
- VIN:
- 3GKALVEX1KL142415
2019 GMC Terrain
SLT AWD
92,159 mi
$15,004
CarGurus Analysis:
2020 GMC Terrain
With 2,286 currently listed for sale and an average price of $18,272.00, 33.5% of 2020 GMC Terrains for sale on CarGurus are rated as good or great deals.
Favorably reviewed: Owners rated the 2020 GMC Terrain 4.5 / 5 stars.
69.3% of 2020 Terrain models on CarGurus are accident free.
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 252 hp 2L I4
- Exterior color:
- Silver
- Combined gas mileage:
- 23 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 192,023
- Stock #:
- H26941
- VIN:
- 3GKALXEX7LL102756
2020 GMC Terrain
Denali AWD
192,023 mi
$11,999
- Year:
- 2019
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 1.5L I4
- Exterior color:
- Black
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 114,955
- Stock #:
- KBB7511
- VIN:
- 3GKALVEV3KL154001
2019 GMC Terrain
SLT AWD
114,955 mi
$12,918
- Year:
- 2021
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 170 hp 1.5L I4
- Exterior color:
- Black
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 127,150
- Stock #:
- 315118
- VIN:
- 3GKALPEVXML315118
2021 GMC Terrain
SLT FWD
127,150 mi
$14,666
- Year:
- 2021
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 170 hp 1.5L I4
- Exterior color:
- Black (Ebony Twilight Metallic)
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 72,964
- Stock #:
- G360765
- VIN:
- 3GKALTEV3ML360765
2021 GMC Terrain
SLE AWD
72,964 mi
$18,750
- Year:
- 2021
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 170 hp 1.5L I4
- Exterior color:
- Gray
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 71,388
- VIN:
- 3GKALTEV4ML349399
2021 GMC Terrain
SLE AWD
71,388 mi
$18,800
- Year:
- 2019
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 1.5L I4
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Transmission:
- 9-Speed Automatic
- Mileage:
- 112,588
- VIN:
- 3GKALVEV0KL202375
2019 GMC Terrain
SLT AWD
112,588 mi
$14,998
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 252 hp 2L I4
- Exterior color:
- Gray (Steel Metallic)
- Combined gas mileage:
- 23 MPG
- Fuel type:
- Gasoline
- Interior color:
- Medium Ash Gray/Jet Black
- Transmission:
- Automatic
- Mileage:
- 48,150
- Stock #:
- PLL279833
- VIN:
- 3GKALVEX0LL279833
2020 GMC Terrain
SLT AWD
48,150 mi
$22,448
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 252 hp 2L I4
- Exterior color:
- Black
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 9-Speed Automatic Overdrive
- Mileage:
- 133,892
- Stock #:
- 246013
- VIN:
- 3GKALPEX1LL246013
2020 GMC Terrain
SLT FWD
133,892 mi
$14,576
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 1.5L I4
- Exterior color:
- White
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 90,292
- Stock #:
- 251520
- VIN:
- 3GKALVEV6LL251520
2020 GMC Terrain
SLT AWD
90,292 mi
$17,673
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 1.5L I4
- Exterior color:
- White
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Gray
- Transmission:
- 9-Speed Automatic
- Mileage:
- 67,890
- Stock #:
- 243651
- VIN:
- 3GKALVEV3LL243651
Sponsored Listing
2020 GMC Terrain
SLT AWD
67,890 mi
$17,299
CarGurus Analysis: 2020 GMC Terrain
Summary
With 2,286 currently listed for sale and an average price of $18,272.00, 33.5% of 2020 GMC Terrains for sale on CarGurus are rated as good or great deals.
Favorably reviewed: Owners rated the 2020 GMC Terrain 4.5 / 5 stars.
69.3% of 2020 Terrain models on CarGurus are accident free.
Why it stands out
The 2020 GMC Terrain stands out in the competitive compact SUV market with its blend of comfort, safety, and upscale features. Owners consistently praise the Terrain for its spacious interior and enjoyable ride, particularly in the luxurious Denali trim, which enhances its appeal. Designed to perform well in both urban environments and on off-road excursions, the Terrain offers a robust driving experience while maintaining an impressive fuel economy. Although it may face stiff competition from segment leaders like the Honda CR-V and Toyota RAV4—which offer more cargo space and hybrid options—the Terrain compensates with a strong focus on safety and comfort features. However, some users have noted that its ride quality isn't as smooth as larger models, and concerns about rear passenger comfort have been highlighted, making it essential for potential buyers to consider these factors.
Other model years to consider
- Average price: $24,967.00
- Good/great deal percentage: 34.6%
- User rating: 5 / 5
- Total listings: 5,303
- Average price: $25,165.00
- Good/great deal percentage: 34.6%
- User rating: 5 / 5
- Total listings: 4,573
- Average price: $23,097.00
- Good/great deal percentage: 33.8%
- User rating: 4.83 / 5
- Total listings: 3,407
This analysis is based on CarGurus' proprietary market data from June 15, 2026, CarGurus experts' opinions, and generative AI.
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4.5 Overall rating
Filter by rating
Anonymous
Reviewed a 2020 GMC Terrain on Sep 22, 2020
It’s extremely comfortable, and I love the safety features! Spacious, sharp, and drives great!
Anonymous
Reviewed a 2020 GMC Terrain on Feb 6, 2023
This Denali has everything, full loaded and I love it. The entertainment system is great and is very intuitive. Feels like a luxury car inside and the ride is smooth an comfortable. Perfect crossover for someone who really likes the perks.
T. D. R
Reviewed a 2020 GMC Terrain on Oct 27, 2021
This SUV is a great vehicle. I love the appearance and safety features. The vehicle is also affordable.
D'Srae K
Reviewed a 2020 GMC Terrain on Jan 30, 2022
The vehicle is very spacious and it drives real smooth. It is a great vehicle for on the road traveling and everyday round abouts. I would recommend this SUV to anyone.
2020 GMC Terrain Trims
| Trim type | MSRP |
|---|---|
| SL FWD | $25,000 |
| Denali FWD | $38,300 |
| Denali AWD | $39,900 |
| SLT FWD | $31,200 |
| SLE AWD | $30,000 |
| SLE FWD | $28,400 |
| SLT AWD | $32,800 |
2020 GMC Terrain Price Trends
CarGurus tracks the prices of millions of used car listings every year. See how the average price of 2020 GMC Terrain prices has changed over time.
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