Used 2020 GMC Terrain SLT AWD for SaleNationwide
248 vehicles found
Shop with transparent pricing.
Only show listings that include dealer fees- 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:
- 103,800
- Stock #:
- N26130B
- VIN:
- 3GKALVEVXLL102298
2020 GMC Terrain
SLT AWD
103,800 mi
Portsmouth, NH
Great Deal
$14,173
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 1.5L I4
- Exterior color:
- Quicksilver Metallic
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 73,615
- Stock #:
- SP4159
- VIN:
- 3GKALVEV8LL251342
2020 GMC Terrain
SLT AWD
73,615 mi
Somerset, PA
Fair Deal
$18,207
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 252 hp 2L I4
- Exterior color:
- Red Quartz Tintcoat
- Combined gas mileage:
- 23 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 21,478
- Stock #:
- W176412A
- VIN:
- 3GKALVEX1LL217535
2020 GMC Terrain
SLT AWD
21,478 mi
Wheeling, IL
Fair Deal
$23,273
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Exterior color:
- Gray (Satin Steel Metallic)
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 69,346
- Stock #:
- 41P1096
- VIN:
- 3GKALVEX7LL289338
Price drop
-$1,599
2020 GMC Terrain
SLT AWD
69,346 mi
McDonald, TN
Great Deal
$18,743
$17,943
- 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:
- Medium Ash Gray/Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 54,801
- Stock #:
- LL295617
- VIN:
- 3GKALVEX8LL295617
2020 GMC Terrain
SLT AWD
54,801 mi
Bellevue, NE
Great Deal
$18,581
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 252 hp 2L I4
- Exterior color:
- Blue Emerald Metallic
- Combined gas mileage:
- 23 MPG
- Fuel type:
- Gasoline
- Interior color:
- Gray (Light Platinum/Taupe)
- Transmission:
- 9-Speed Automatic
- Mileage:
- 87,793
- Stock #:
- PY0081
- VIN:
- 3GKALVEX2LL130811
2020 GMC Terrain
SLT AWD
87,793 mi
Harrisonburg, VA
Good Deal
$18,198
- 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:
- 85,943
- Stock #:
- 261629A
- VIN:
- 3GKALVEV3LL146448
2020 GMC Terrain
SLT AWD
85,943 mi
Chippewa Falls, WI
Fair Deal
$17,668
- 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
Denver, CO
Good Deal
$16,788
- 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:
- 111,726
- Stock #:
- LL265703
- VIN:
- 3GKALVEV7LL265703
New arrival
2020 GMC Terrain
SLT AWD
111,726 mi
Kilgore, TX
Good Deal
$15,299
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 252 hp 2L I4
- Exterior color:
- White
- Combined gas mileage:
- 23 MPG
- Fuel type:
- Gasoline
- Interior color:
- Brandy/Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 54,668
- Stock #:
- LL171340T
- VIN:
- 3GKALVEX7LL171340
2020 GMC Terrain
SLT AWD
54,668 mi
Jacksonville, FL
Good Deal
$19,865
- 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
- Fuel type:
- Gasoline
- Transmission:
- 6-Speed Automatic
- Mileage:
- 109,084
- Stock #:
- RS12632
- VIN:
- 3GKALVEV7LL247072
2020 GMC Terrain
SLT AWD
109,084 mi
Houston, TX
Fair Deal
$13,945
- 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:
- 73,709
- Stock #:
- T272349B
- VIN:
- 3GKALVEV5LL275646
2020 GMC Terrain
SLT AWD
73,709 mi
Jacksonville, FL
Fair Deal
$17,539
- 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:
- Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 60,294
- Stock #:
- P13739
- VIN:
- 3GKALVEVXLL326705
2020 GMC Terrain
SLT AWD
60,294 mi
Rochester, NH
Great Deal
$17,602
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 1.5L I4
- Exterior color:
- Brown Metallic
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 59,594
- Stock #:
- T1512
- VIN:
- 3GKALVEV0LL239833
2020 GMC Terrain
SLT AWD
59,594 mi
Roseville, CA
Good Deal
$17,844
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 1.5L I4
- Exterior color:
- Gray (Satin Steel Metallic)
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 78,767
- Stock #:
- LC021A
- VIN:
- 3GKALVEV9LL345827
2020 GMC Terrain
SLT AWD
78,767 mi
Carroll, OH
Fair Deal
$18,798
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 252 hp 2L I4
- Exterior color:
- White Frost Tricoat
- Combined gas mileage:
- 23 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 93,447
- Stock #:
- 5183PA
- VIN:
- 3GKALVEX2LL157264
Price drop
-$1,442
2020 GMC Terrain
SLT AWD
93,447 mi
Westlake, OH
Good Deal
$18,389
$17,345
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 1.5L I4
- Exterior color:
- Quicksilver Metallic
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 64,708
- Stock #:
- LL248301
- VIN:
- 3GKALVEV1LL248301
2020 GMC Terrain
SLT AWD
64,708 mi
Lake Jackson, TX
Great Deal
$17,592
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 252 hp 2L I4
- Exterior color:
- Quicksilver Metallic
- Combined gas mileage:
- 23 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 80,775
- Stock #:
- 10863A
- VIN:
- 3GKALVEX2LL261043
Price drop
-$804
2020 GMC Terrain
SLT AWD
80,775 mi
Paw Paw, MI
Good Deal
$19,304
$18,814
- 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 (Satin Steel Metallic)
- Combined gas mileage:
- 23 MPG
- Fuel type:
- Gasoline
- Interior color:
- Medium Ash Gray/Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 53,745
- Stock #:
- HCVTLL233114
- VIN:
- 3GKALVEX2LL233114
Price drop
-$516
2020 GMC Terrain
SLT AWD
53,745 mi
Noblesville, IN
Good Deal
$21,726
$21,210
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 1.5L I4
- Exterior color:
- White
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 9-Speed Automatic Overdrive
- Mileage:
- 151,082
- Stock #:
- IN-5509
- VIN:
- 3GKALVEV7LL111783
2020 GMC Terrain
SLT AWD
151,082 mi
Mason City, IA
Great Deal
$11,195
- 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:
- 70,768
- Stock #:
- 7000B
- VIN:
- 3GKALVEV0LL141398
Price drop
-$400
2020 GMC Terrain
SLT AWD
70,768 mi
Bedford, OH
Fair Deal
$18,397
$17,997
- 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:
- Automatic
- Mileage:
- 37,945
- Stock #:
- 5-26743A
- VIN:
- 3GKALVEV5LL316261
2020 GMC Terrain
SLT AWD
37,945 mi
Newtown Square, PA
Great Deal
$20,010
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 252 hp 2L I4
- Exterior color:
- Quartz Metallic
- Combined gas mileage:
- 23 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 47,992
- Stock #:
- 270017A
- VIN:
- 3GKALVEX8LL123040
2020 GMC Terrain
SLT AWD
47,992 mi
Saline, MI
Good Deal
$20,390
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 1.5L I4
- Exterior color:
- Gray
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 63,447
- Stock #:
- LL282786P
- VIN:
- 3GKALVEV1LL282786
2020 GMC Terrain
SLT AWD
63,447 mi
Jacksonville, FL
Good Deal
$19,326
4.0 Overall rating
Filter by rating
William O
Reviewed a 2020 GMC SLT AWD on Aug 5, 2026
Loved the car. Lots of features for a mid sized SUV. Roomier than expected inside
Is this review helpful?
FAQs
How much does the GMC Terrain SLT AWD cost?
The average GMC Terrain SLT AWD costs about $17,472.40. The average price has decreased by -4.3% since last year. The 1977 for sale on CarGurus range from $5,659 to $41,900 in price.
How many GMC Terrain SLT AWD vehicles have no reported accidents or damage?
1585 out of 1977 for sale have no reported accidents or damage.
What is the fuel economy of the GMC Terrain SLT AWD?
Depending on the engine and options, the GMC Terrain SLT AWD gets between 19 and 26 MPG/MPGe.
What fuel types are available?
Gasoline engines are available.
*CarGurus meticulously monitors the prices of millions of pre-owned vehicle listings, offering users precise and up-to-date market insights. Historical pricing data excludes any additional dealer fees as of May 3, 2026.
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