Used GMC Terrain for Sale Under $20,000
4,260 vehicles found
Shop with transparent pricing.
Only show listings that include dealer fees- Year:
- 2018
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 137 hp 1.6L I4 Diesel
- Exterior color:
- Gray (Satin Steel Metallic)
- Combined gas mileage:
- 33 MPG
- Fuel type:
- Diesel
- Interior color:
- Jet Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 45,059
- Stock #:
- ZC138
- VIN:
- 3GKALNEU7JL263289
2018 GMC Terrain
SLE Diesel
45,059 mi
Manning, SC
Great Deal
$16,725
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Exterior color:
- Silver
- Transmission:
- Automatic
- Mileage:
- 123,532
- Stock #:
- 10007
- VIN:
- 3GKALPEX8LL272494
Price drop
-$545
2020 GMC Terrain
SLT FWD
123,532 mi
Scottsville, KY
Good Deal
$13,495
$12,950
- Year:
- 2024
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 175 hp 1.5L I4
- Exterior color:
- Black
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 58,223
- Stock #:
- 7W6WXR
- VIN:
- 3GKALMEG4RL353077
2024 GMC Terrain
SLE FWD
58,223 mi
Largo, FL
Good Deal
$19,004
- Year:
- 2019
- 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:
- 9-Speed Automatic
- Mileage:
- 69,986
- Stock #:
- RAG3443A
- VIN:
- 3GKALPEV3KL348393
Price drop
-$1,771
2019 GMC Terrain
SLT
69,986 mi
Brandon, FL
Good Deal
$18,768
$16,997
- Year:
- 2019
- 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:
- Automatic
- Mileage:
- 70,059
- Stock #:
- KL179566
- VIN:
- 3GKALTEX3KL179566
Price drop
-$1,312
2019 GMC Terrain
SLE AWD
70,059 mi
Feasterville Trevose, PA
Great Deal
$17,485
$16,173
- Year:
- 2019
- 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:
- 96,924
- Stock #:
- VC1669A
- VIN:
- 3GKALXEX4KL257456
Price drop
-$500
2019 GMC Terrain
Denali AWD
96,924 mi
Tiverton, RI
Good Deal
$17,418
$16,918
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 1.5L I4
- Exterior color:
- Blue
- Combined gas mileage:
- 28 MPG
- Fuel type:
- Gasoline
- Transmission:
- Automatic
- Mileage:
- 77,347
- Stock #:
- 42203A
- VIN:
- 3GKALMEV1LL301668
Price drop
-$590
2020 GMC Terrain
SLE FWD
77,347 mi
Rolla, MO
Fair Deal
$18,540
$17,950
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 1.5L I4
- Exterior color:
- Gray
- Combined gas mileage:
- 28 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 92,453
- Stock #:
- ALN1558
- VIN:
- 3GKALPEV1LL140126
2020 GMC Terrain
SLT FWD
92,453 mi
Henderson, NV
Good Deal
$14,985
- Year:
- 2017
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 182 hp 2.4L I4
- Exterior color:
- Slate Blue Metallic
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Light Titanium
- Transmission:
- 6-Speed Automatic
- Mileage:
- 57,963
- Stock #:
- FA6437B
- VIN:
- 2GKALPEK8H6103219
New arrival
2017 GMC Terrain
SLT
57,963 mi
Avon Lake, OH
Good Deal
$14,168
- 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:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 91,328
- Stock #:
- 03T1535A
- VIN:
- 3GKALTEV4KL255374
Price drop
-$1,006
2019 GMC Terrain
SLE AWD
91,328 mi
Mount Carroll, IL
Good Deal
$15,114
$14,108
- Year:
- 2019
- 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:
- Black
- Transmission:
- Automatic
- Mileage:
- 110,107
- Stock #:
- 6GM1011T
- VIN:
- 3GKALVEV9KL162359
Price drop
-$523
2019 GMC Terrain
SLT AWD
110,107 mi
Westbrook, ME
Great Deal
$14,095
$13,572
- Year:
- 2017
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 182 hp 2.4L I4
- Exterior color:
- Summit White
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 99,631
- Stock #:
- 6743A
- VIN:
- 2GKALMEK5H6166969
2017 GMC Terrain
SLE1
99,631 mi
Holland, MI
Good Deal
$11,060
- 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:
- Gray
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Transmission:
- Automatic
- Mileage:
- 89,361
- Stock #:
- D6737A
- VIN:
- 3GKALPEV0ML325995
2021 GMC Terrain
SLT FWD
89,361 mi
Waupun, WI
Good Deal
$17,289
- Year:
- 2014
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 182 hp 2.4L I4
- Exterior color:
- Gray (Iridium Metallic)
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 65,117
- Stock #:
- 26M714A
- VIN:
- 2GKALMEK6E6263805
New arrival
2014 GMC Terrain
SLE1
65,117 mi
Bedford, OH
Fair Deal
$9,936
- 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:
- 47,187
- Stock #:
- M104109
- VIN:
- 3GKALTEV7LL104109
2020 GMC Terrain
SLE AWD
47,187 mi
Bridgeton, NJ
Great Deal
$18,156
- 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:
- 84,102
- Stock #:
- UR1877
- VIN:
- 3GKALVEV6LL117770
2020 GMC Terrain
SLT AWD
84,102 mi
Riverhead, NY
Fair Deal
$16,062
- 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:
- Graphite Gray Metallic
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Medium Ash Gray/Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 55,779
- Stock #:
- JU8943A
- VIN:
- 3GKALMEV8ML351727
Price drop
-$500
2021 GMC Terrain
SLE FWD
55,779 mi
Macomb, MI
Good Deal
$18,314
$17,814
- Year:
- 2018
- 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, PREMIUM CLOTH SEAT TRIM
- Transmission:
- Automatic
- Mileage:
- 83,277
- Stock #:
- 26458A
- VIN:
- 3GKALTEVXJL379258
2018 GMC Terrain
SLE AWD
83,277 mi
Pocatello, ID
Fair Deal
$16,650
- Year:
- 2015
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 182 hp 2.4L I4
- Exterior color:
- Silver
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 59,000
- Stock #:
- C271133A
- VIN:
- 2GKALSEK9F6313585
New arrival
2015 GMC Terrain
SLT1
59,000 mi
Tampa, FL
Great Deal
$12,387
- Year:
- 2019
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 252 hp 2L I4
- Exterior color:
- Graphite Gray Metallic
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Medium Ash Gray/Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 68,541
- Stock #:
- 318886
- VIN:
- 3GKALPEX6KL318886
2019 GMC Terrain
SLT
68,541 mi
Charleston, AR
Good Deal
$18,200
- 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:
- Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 99,856
- Stock #:
- F1943A
- VIN:
- 3GKALMEV4KL224969
2019 GMC Terrain
SLE
99,856 mi
Breese, IL
Good Deal
$14,514
- 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:
- White Frost Tricoat
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Medium Ash Gray/Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 61,851
- Stock #:
- 400347T
- VIN:
- 3GKALPEV1ML400347
2021 GMC Terrain
SLT FWD
61,851 mi
Titusville, FL
Good Deal
$18,653
- Year:
- 2015
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 182 hp 2.4L I4
- Exterior color:
- Summit White
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Gasoline
- Interior color:
- Light Titanium
- Transmission:
- 6-Speed Automatic
- Mileage:
- 138,768
- Stock #:
- 2593B
- VIN:
- 2GKFLWEK9F6262568
New arrival
2015 GMC Terrain
SLE2 AWD
138,768 mi
Kingsport, TN
Good Deal
$7,834
- 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
New arrival
2020 GMC Terrain
SLT AWD
78,767 mi
Carroll, OH
Fair Deal
$19,132
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