Used 2020 GMC Terrain for SaleNationwide
2,382 vehicles found
- Year:
- 2020
- 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:
- 6,223
- Stock #:
- P0058
- VIN:
- 3GKALPEV6LL219548
2020 GMC Terrain
SLT FWD
6,223 mi
$22,461
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 252 hp 2L I4
- Exterior color:
- Black
- Combined gas mileage:
- 23 MPG
- Fuel type:
- Gasoline
- Transmission:
- 9-Speed Automatic
- Mileage:
- 50,465
- Stock #:
- M26111A
- VIN:
- 3GKALXEX8LL337408
2020 GMC Terrain
Denali AWD
50,465 mi
$23,953
- 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:
- 65,561
- Stock #:
- 647239AQ
- VIN:
- 3GKALTEV1LL290911
2020 GMC Terrain
SLE AWD
65,561 mi
$17,880
- 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:
- Summit White
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black, Perforated Leather-Appointed Seat Trim
- Transmission:
- Automatic
- Mileage:
- 109,593
- Stock #:
- M5995A
- VIN:
- 3GKALPEV3ML310780
2021 GMC Terrain
SLT FWD
109,593 mi
$14,100
- Year:
- 2019
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 1.5L I4
- Exterior color:
- Summit White
- Combined gas mileage:
- 28 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 32,817
- Stock #:
- A314276
- VIN:
- 3GKALMEV7KL314276
2019 GMC Terrain
SLE
32,817 mi
$19,160
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 1.5L I4
- Exterior color:
- Smokey Quartz Metallic
- Combined gas mileage:
- 28 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 77,349
- Stock #:
- 10434B
- VIN:
- 3GKALMEV5LL119665
2020 GMC Terrain
SLE FWD
77,349 mi
$13,999
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 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:
- 88,146
- Stock #:
- P2780A
- VIN:
- 3GKALVEV1LL212110
2020 GMC Terrain
SLT AWD
88,146 mi
$16,788
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 1.5L I4
- Exterior color:
- White
- Fuel type:
- Gasoline
- Interior color:
- Gray
- Transmission:
- 9-Speed Automatic Overdrive
- Mileage:
- 126,492
- Stock #:
- 180184
- VIN:
- 3GKALMEV8LL180184
2020 GMC Terrain
SLE FWD
126,492 mi
$12,995
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 1.5L I4
- Exterior color:
- Black
- Combined gas mileage:
- 28 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 85,304
- Stock #:
- I178500
- VIN:
- 3GKALMEV4LL178500
2020 GMC Terrain
SLE FWD
85,304 mi
$15,585
- 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 Gaz
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black H0y
- Transmission:
- 9-Speed Automatic
- Mileage:
- 101,696
- Stock #:
- ML334143
- VIN:
- 3GKALVEVXML334143
2021 GMC Terrain
SLT AWD
101,696 mi
$16,700
- Year:
- 2019
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 252 hp 2L I4
- Exterior color:
- Gray (Satin Steel Metallic)
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 62,250
- Stock #:
- 18067HVX
- VIN:
- 3GKALPEX8KL400067
2019 GMC Terrain
SLT
62,250 mi
$18,658
- Year:
- 2019
- 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:
- Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 47,084
- Stock #:
- 6481T
- VIN:
- 3GKALTEV1KL326708
2019 GMC Terrain
SLE AWD
47,084 mi
$18,184
- Year:
- 2019
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 1.5L I4
- Exterior color:
- Graphite Gray Metallic
- Combined gas mileage:
- 28 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 88,855
- Stock #:
- N3840A
- VIN:
- 3GKALMEVXKL136959
2019 GMC Terrain
SLE
88,855 mi
$14,414
CarGurus Analysis:
2020 GMC Terrain
With 2,313 currently listed for sale and an average price of $18,182.00, 33.7% 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.
69.2% 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:
- 252 hp 2L I4
- Exterior color:
- Gray (Satin Steel Metallic)
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 45,796
- Stock #:
- MA73425A
- VIN:
- 3GKALSEX6KL248504
2019 GMC Terrain
Denali
45,796 mi
$21,518
- 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
- Transmission:
- Automatic
- Mileage:
- 118,934
- Stock #:
- 311709
- VIN:
- 3GKALVEV7ML311709
2021 GMC Terrain
SLT AWD
118,934 mi
$13,694
- Year:
- 2019
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 1.5L I4
- Exterior color:
- Gray (Satin Steel Metallic)
- Combined gas mileage:
- 28 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 106,877
- Stock #:
- A1189
- VIN:
- 3GKALMEV0KL107115
2019 GMC Terrain
SLE
106,877 mi
$15,225
- 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:
- 52,198
- Stock #:
- 45564A
- VIN:
- 3GKALMEV7KL367737
2019 GMC Terrain
SLE
52,198 mi
$18,200
- Year:
- 2020
- 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 Premium Cloth Seat Trim
- Transmission:
- 9-Speed Automatic
- Mileage:
- 102,251
- Stock #:
- 13320A
- VIN:
- 3GKALMEV1LL285827
2020 GMC Terrain
SLE FWD
102,251 mi
$13,923
- Year:
- 2019
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 252 hp 2L I4
- Exterior color:
- White
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 9-Speed Automatic Overdrive
- Mileage:
- 107,472
- Stock #:
- 251004
- VIN:
- 3GKALPEX7KL286014
2019 GMC Terrain
SLT
107,472 mi
$14,200
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 252 hp 2L I4
- Exterior color:
- Black (Ebony Twilight Metallic)
- Combined gas mileage:
- 23 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 84,267
- Stock #:
- 173301T
- VIN:
- 3GKALVEX7LL173301
2020 GMC Terrain
SLT AWD
84,267 mi
$17,990
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 252 hp 2L I4
- Exterior color:
- Gray (Satin Steel Metallic)
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 44,943
- Stock #:
- L226779T
- VIN:
- 3GKALPEX3LL226779
2020 GMC Terrain
SLT FWD
44,943 mi
$20,824
- Year:
- 2019
- 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:
- 145,394
- Stock #:
- 337185A
- VIN:
- 3GKALVEV1KL337185
2019 GMC Terrain
SLT AWD
145,394 mi
$11,624
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 252 hp 2L I4
- Exterior color:
- Gray (Satin Steel Metallic)
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 31,408
- Stock #:
- L26049A
- VIN:
- 3GKALSEX5LL345842
2020 GMC Terrain
Denali FWD
31,408 mi
$26,793
CarGurus Analysis: 2020 GMC Terrain
Summary
With 2,313 currently listed for sale and an average price of $18,182.00, 33.7% 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.
69.2% of 2020 Terrain models on CarGurus are accident free.
Why it stands out
The 2020 GMC Terrain offers a blend of comfort, safety, and practicality, making it a strong contender in the compact SUV market. It's praised for its spacious interior and user-friendly infotainment system, particularly in the luxurious Denali trim. The Terrain also benefits from a robust safety rating, appealing to families and safety-conscious buyers. Owners appreciate its economical performance compared to other SUVs, even as some have pointed out that the ride quality may lag behind larger models, like the Traverse. Overall, the Terrain's balance of features makes it a well-rounded choice for those in the market for a compact SUV.
Other model years to consider
- Average price: $24,923.00
- Good/great deal percentage: 35.0%
- User rating: 5 / 5
- Total listings: 5,658
- Average price: $25,057.00
- Good/great deal percentage: 35.3%
- User rating: 5 / 5
- Total listings: 4,970
- Average price: $22,917.00
- Good/great deal percentage: 33.7%
- User rating: 4.83 / 5
- Total listings: 3,503
This analysis is based on CarGurus' proprietary market data from June 29, 2026, CarGurus experts' opinions, and generative AI.
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.
See more price trendsFAQs
How much does the 2020 GMC Terrain cost?
How many 2020 GMC Terrain vehicles have no reported accidents or damage?
What is the fuel economy of the 2020 GMC Terrain?
What fuel types are available?
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