Used GMC Terrain for Sale Under $20,000
4,299 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:
- Front-Wheel Drive
- Engine:
- 1.5L I4
- Exterior color:
- Blue Emerald Metallic
- Combined gas mileage:
- 28 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 50,636
- Stock #:
- UD26269T
- VIN:
- 3GKALMEV2LL238113
2020 GMC Terrain
SLE FWD
50,636 mi
Macomb, MI
Great Deal
$17,313
- 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:
- 2017
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 182 hp 2.4L I4
- Exterior color:
- Dark Sapphire Blue Metallic
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 68,954
- Stock #:
- 283883
- VIN:
- 2GKFLTEKXH6283883
New arrival
2017 GMC Terrain
SLE2 AWD
68,954 mi
Brazil, IN
Great Deal
$10,994
- 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 (Satin Steel Metallic)
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 97,778
- Stock #:
- 26H082A
- VIN:
- 3GKALVEV1ML372814
Price drop
-$638
2021 GMC Terrain
SLT AWD
97,778 mi
Hermiston, OR
Good Deal
$17,733
$17,095
- 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:
- White Frost Tricoat
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 96,485
- Stock #:
- C7V0091
- VIN:
- 3GKALVEV0ML319134
New arrival
2021 GMC Terrain
SLT AWD
96,485 mi
Devils Lake, ND
Good Deal
$18,390
- 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:
- 2018
- 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:
- 57,007
- Stock #:
- L7973A
- VIN:
- 3GKALXEX2JL335294
2018 GMC Terrain
Denali AWD
57,007 mi
Lafayette, IN
Good Deal
$18,767
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 1.5L I4
- Exterior color:
- White
- Combined gas mileage:
- 28 MPG
- Fuel type:
- Gasoline
- Transmission:
- Automatic
- Mileage:
- 73,833
- Stock #:
- LL128429
- VIN:
- 3GKALMEV5LL128429
New arrival
2020 GMC Terrain
SLE FWD
73,833 mi
Athens, GA
Good Deal
$17,798
- 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:
- 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
Price drop
-$286
2017 GMC Terrain
SLE1
99,631 mi
Holland, MI
Good Deal
$11,060
$10,774
- 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
2014 GMC Terrain
SLE1
65,117 mi
Bedford, OH
Fair Deal
$10,449
- 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
2019 GMC Terrain
Denali AWD
96,924 mi
Tiverton, RI
Fair Deal
$16,918
- 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:
- Medium Ash Gray/Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 85,022
- Stock #:
- L332620T
- VIN:
- 3GKALPEV3ML332620
Price drop
-$400
2021 GMC Terrain
SLT FWD
85,022 mi
Venice, FL
Great Deal
$16,296
$15,896
- Year:
- 2018
- 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:
- 109,596
- Stock #:
- P11976B
- VIN:
- 3GKALTEV9JL308617
Price drop
-$1,000
2018 GMC Terrain
SLE AWD
109,596 mi
Ravenna, OH
Great Deal
$11,398
$10,398
- 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
-$528
2019 GMC Terrain
SLT AWD
110,107 mi
Westbrook, ME
Great Deal
$13,572
$13,044
- 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:
- 49,590
- Stock #:
- HKL157637
- VIN:
- 3GKALPEV3KL157637
2019 GMC Terrain
SLT
49,590 mi
West Palm Beach, FL
Good Deal
$18,625
- 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:
- 2018
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 1.5L I4
- Exterior color:
- QUICKSILVER METALLIC
- Fuel type:
- Gasoline
- Mileage:
- 114,313
- Stock #:
- 26536B
- VIN:
- 3GKALTEV6JL364532
New arrival
2018 GMC Terrain
SLE AWD
114,313 mi
La Grange, KY
Fair Deal
$12,636
- Year:
- 2019
- 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:
- 71,302
- Stock #:
- 18317HVX
- VIN:
- 3GKALXEX6KL271195
2019 GMC Terrain
Denali AWD
71,302 mi
Hartville, OH
Fair Deal
$19,880
- Year:
- 2018
- 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
- Transmission:
- Automatic
- Mileage:
- 52,816
- Stock #:
- 6V26013A
- VIN:
- 3GKALMEV8JL331893
New arrival
2018 GMC Terrain
SLE
52,816 mi
Greensboro, NC
Good Deal
$17,498
- 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:
- 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:
- Automatic
- Mileage:
- 75,250
- Stock #:
- KL101469G
- VIN:
- 3GKALMEV5KL101469
2019 GMC Terrain
SLE
75,250 mi
Greenville, TX
Good Deal
$14,725
- 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
-$801
2019 GMC Terrain
SLT
69,986 mi
Brandon, FL
Good Deal
$16,997
$16,196
- Year:
- 2018
- 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:
- 98,475
- Stock #:
- 10298B
- VIN:
- 3GKALTEX3JL174205
New arrival
2018 GMC Terrain
SLE AWD
98,475 mi
Johnson Creek, WI
Fair Deal
$14,478
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