Used 2020 GMC Terrain for Sale near Denver, CO
110 results
- 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
Sponsored by Crossroads Hyundai
2021 GMC Terrain
SLE FWD
23,191 mi
$19,997
- 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
Sponsored Listing
2019 GMC Terrain
SLE AWD
52,750 mi
$16,988
- 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:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 89,433
- Stock #:
- LL101019
- VIN:
- 3GKALVEV8LL101019
Sponsored Listing
2020 GMC Terrain
SLT AWD
89,433 mi
$16,998
- 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:
- 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:
- 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:
- 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:
- 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 109 currently listed for sale near Denver, CO and an average price of $19,464.00, 27.5% 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.
88.1% of 2020 Terrain models on CarGurus are accident free.
- 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:
- 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:
- 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:
- 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:
- 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:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 252 hp 2L I4
- Exterior color:
- Gray
- Combined gas mileage:
- 23 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 60,529
- Stock #:
- 137725
- VIN:
- 3GKALXEX6LL137725
2020 GMC Terrain
Denali AWD
60,529 mi
$24,995
- 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
2020 GMC Terrain
SLE AWD
89,840 mi
$18,387
- 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:
- 71,897
- Stock #:
- 27214H
- VIN:
- 3GKALVEV2ML344617
2021 GMC Terrain
SLT AWD
71,897 mi
$20,724
- 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:
- 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
Sponsored Listing
2019 GMC Terrain
SLT AWD
114,955 mi
$12,918
CarGurus Analysis: 2020 GMC Terrain
Summary
With 109 currently listed for sale near Denver, CO and an average price of $19,464.00, 27.5% 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.
88.1% of 2020 Terrain models on CarGurus are accident free.
Why it stands out
The 2020 GMC Terrain stands out in the crowded compact SUV segment by offering a comfortable and spacious interior, appealing safety features, and an overall economical performance. Owners frequently praise the luxurious feel and ease of use of its intuitive entertainment system, especially in the higher-end Denali trim. However, some buyers may find that its ride quality doesn’t quite match that of larger family SUVs, like the GMC Traverse, and there are reported concerns about rear passenger comfort and its pricing compared to competitors. Overall, the Terrain combines a strong focus on comfort and safety, making it a solid choice for families and individuals seeking a reliable vehicle.
Other model years to consider
- Average price: $17,632.00
- Good/great deal percentage: 43.2%
- User rating: 5 / 5
- Total listings: 118
- Average price: $21,763.00
- Good/great deal percentage: 59.1%
- User rating: 4.83 / 5
- Total listings: 110
- Average price: $24,157.00
- Good/great deal percentage: 49.1%
- User rating: 5 / 5
- Total listings: 161
This analysis is based on CarGurus' proprietary market data from June 9, 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 |
| SLE AWD | $30,000 |
| SLT FWD | $31,200 |
| 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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