Used 2020 GMC Terrain SLT AWD for SaleNationwide
241 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:
- 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:
- 94,199
- Stock #:
- CL7683B
- VIN:
- 3GKALVEX0LL229630
2020 GMC Terrain
SLT AWD
94,199 mi
Clearwater, FL
Fair Deal
$16,044
- 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:
- 102,999
- Stock #:
- VP642
- VIN:
- 3GKALVEV1LL238691
2020 GMC Terrain
SLT AWD
102,999 mi
Menomonee Falls, WI
Good Deal
$14,855
- 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:
- 50,327
- Stock #:
- 30585A
- VIN:
- 3GKALVEV3LL232794
2020 GMC Terrain
SLT AWD
50,327 mi
Yorkville, NY
Good Deal
$19,241
- 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:
- 53,277
- Stock #:
- KH2547A
- VIN:
- 3GKALVEV5LL118263
New arrival
2020 GMC Terrain
SLT AWD
53,277 mi
Ashland, KY
Good Deal
$20,014
- 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:
- 96,001
- Stock #:
- P2002A
- VIN:
- 3GKALVEVXLL102530
Price drop
-$662
2020 GMC Terrain
SLT AWD
96,001 mi
Wilmington, OH
Good Deal
$15,619
$14,957
- 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:
- Automatic
- Mileage:
- 65,409
- Stock #:
- T10213A
- VIN:
- 3GKALVEV3LL277279
2020 GMC Terrain
SLT AWD
65,409 mi
Cary, NC
Good Deal
$17,893
- 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:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 48,981
- Stock #:
- LL218839
- VIN:
- 3GKALVEX4LL218839
2020 GMC Terrain
SLT AWD
48,981 mi
Bluffton, SC
Good Deal
$20,929
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 252 hp 2L I4
- Exterior color:
- Summit White
- Combined gas mileage:
- 23 MPG
- Fuel type:
- Gasoline
- Interior color:
- Brandy/Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 47,726
- Stock #:
- PV3238A
- VIN:
- 3GKALVEX2LL175523
2020 GMC Terrain
SLT AWD
47,726 mi
Natick, MA
Fair Deal
$21,440
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 252 hp 2L I4
- Exterior color:
- Summit White
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic Overdrive
- Mileage:
- 55,190
- Stock #:
- T26387A
- VIN:
- 3GKALVEX9LL225916
2020 GMC Terrain
SLT AWD
55,190 mi
Morgantown, PA
Good Deal
$19,377
- 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:
- 74,727
- Stock #:
- 16593
- VIN:
- 3GKALVEV9LL122235
New arrival
2020 GMC Terrain
SLT AWD
74,727 mi
Gillette, WY
Fair Deal
$18,173
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 1.5L I4
- Exterior color:
- Silver
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Gray
- Transmission:
- Automatic
- Mileage:
- 72,296
- Stock #:
- 26CS9732A
- VIN:
- 3GKALVEV8LL132626
2020 GMC Terrain
SLT AWD
72,296 mi
Roswell, NM
Fair Deal
$18,672
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 252 hp 2L I4
- Exterior color:
- Graphite Gray Metallic
- Combined gas mileage:
- 23 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 99,534
- Stock #:
- 27GL018W
- VIN:
- 3GKALVEXXLL162857
2020 GMC Terrain
SLT AWD
99,534 mi
Grand Rapids, MI
Fair Deal
$17,054
- 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:
- 57,076
- Stock #:
- BSU5246
- VIN:
- 3GKALVEVXLL334710
Price drop
-$500
2020 GMC Terrain
SLT AWD
57,076 mi
Souderton, PA
Good Deal
$19,785
$19,285
- 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
- Transmission:
- Automatic
- Mileage:
- 134,526
- Stock #:
- 5M6209A
- VIN:
- 3GKALVEV4LL125673
2020 GMC Terrain
SLT AWD
134,526 mi
Raleigh, NC
Great Deal
$10,748
- 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
2020 GMC Terrain
SLT AWD
93,447 mi
Westlake, OH
Fair Deal
$16,381
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 252 hp 2L I4
- Exterior color:
- Summit White
- Combined gas mileage:
- 23 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 68,252
- Stock #:
- PH0152
- VIN:
- 3GKALVEX6LL332535
2020 GMC Terrain
SLT AWD
68,252 mi
Harrisonburg, VA
Good Deal
$19,649
- 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:
- 85,461
- Stock #:
- PY0112
- VIN:
- 3GKALVEX9LL314062
2020 GMC Terrain
SLT AWD
85,461 mi
Harrisonburg, VA
Fair Deal
$18,810
- 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:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 39,228
- Stock #:
- TG26335K
- VIN:
- 3GKALVEX2LL178390
2020 GMC Terrain
SLT AWD
39,228 mi
Tiffin, OH
Fair Deal
$21,486
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 1.5L I4
- Exterior color:
- Red Quartz Tintcoat
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Medium Ash Gray/Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 101,084
- Stock #:
- 0025B
- VIN:
- 3GKALVEV1LL100150
2020 GMC Terrain
SLT AWD
101,084 mi
Neosho, MO
Good Deal
$15,479
- 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:
- 117,450
- Stock #:
- 987793
- VIN:
- 3GKALVEV7LL252594
2020 GMC Terrain
SLT AWD
117,450 mi
Miles City, MT
Fair Deal
$15,299
- 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:
- 59,594
- Stock #:
- B1661
- VIN:
- 3GKALVEV0LL239833
Price drop
-$522
2020 GMC Terrain
SLT AWD
59,594 mi
Roseville, CA
Good Deal
$17,422
$17,072
- 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:
- 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:
- 58,227
- Stock #:
- EA20050B
- VIN:
- 3GKALVEX1LL303931
2020 GMC Terrain
SLT AWD
58,227 mi
Columbus, OH
Fair Deal
$19,795
- 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
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Transmission:
- Automatic
- Mileage:
- 68,221
- Stock #:
- 1573
- VIN:
- 3GKALVEV7LL207218
2020 GMC Terrain
SLT AWD
68,221 mi
Milan, TN
Good Deal
$17,467
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 $16,773.12. The average price has decreased by -8.3% since last year. The 1852 for sale on CarGurus range from $2,200 to $41,900 in price.
How many GMC Terrain SLT AWD vehicles have no reported accidents or damage?
1429 out of 1852 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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