Used 2021 GMC Terrain SLT FWD for SaleNationwide
94 vehicles found
Shop with transparent pricing.
Only show listings that include dealer fees- 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:
- 2021
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 170 hp 1.5L I4
- Exterior color:
- Black (Ebony Twilight Metallic)
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 46,691
- Stock #:
- T1250811A
- VIN:
- 3GKALPEV0ML383041
2021 GMC Terrain
SLT FWD
46,691 mi
Miami Shores, FL
Good Deal
$19,372
- 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:
- 61,878
- Stock #:
- 400347T
- VIN:
- 3GKALPEV1ML400347
Price drop
-$377
2021 GMC Terrain
SLT FWD
61,878 mi
Titusville, FL
Good Deal
$18,288
$17,911
- 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 (Satin Steel Metallic)
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 37,148
- Stock #:
- PH22891A
- VIN:
- 3GKALPEV9ML361121
2021 GMC Terrain
SLT FWD
37,148 mi
Palm Harbor, FL
Fair Deal
$21,450
- 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:
- 66,637
- Stock #:
- 262085A
- VIN:
- 3GKALPEV9ML301839
New arrival
2021 GMC Terrain
SLT FWD
66,637 mi
Indianapolis, IN
Fair Deal
$18,999
- 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
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Brandy/Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 75,461
- Stock #:
- 51127A
- VIN:
- 3GKALPEVXML347566
2021 GMC Terrain
SLT FWD
75,461 mi
Conway, AR
Good Deal
$18,088
- 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:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 80,462
- Stock #:
- 364142T
- VIN:
- 3GKALPEVXML364142
2021 GMC Terrain
SLT FWD
80,462 mi
Saint Cloud, FL
Fair Deal
$17,898
- 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
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 71,292
- Stock #:
- 331491
- VIN:
- 3GKALPEV2ML331491
2021 GMC Terrain
SLT FWD
71,292 mi
Wake Forest, NC
Good Deal
$18,999
- 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
- Transmission:
- 9-Speed Automatic
- Mileage:
- 40,169
- Stock #:
- DT26483A
- VIN:
- 3GKALPEV0ML303169
Price drop
-$500
2021 GMC Terrain
SLT FWD
40,169 mi
Athens, AL
Good Deal
$21,290
$20,790
- 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:
- Black (Ebony Twilight Metallic)
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 73,242
- Stock #:
- SUB14906
- VIN:
- 3GKALPEVXML306130
2021 GMC Terrain
SLT FWD
73,242 mi
Lewisville, TX
Good Deal
$17,150
- 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:
- Silver
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Gray
- Transmission:
- Automatic
- Mileage:
- 65,460
- Stock #:
- I02656
- VIN:
- 3GKALPEV7ML306988
Price drop
-$400
2021 GMC Terrain
SLT FWD
65,460 mi
Brunswick, GA
Good Deal
$19,406
$19,006
- 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:
- Black (Ebony Twilight Metallic)
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 157,614
- Stock #:
- 1752
- VIN:
- 3GKALPEV3ML342659
New arrival
2021 GMC Terrain
SLT FWD
157,614 mi
Brighton, CO
Fair Deal
$11,999
- 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:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 117,700
- VIN:
- 3GKALPEV5ML308609
New arrival
2021 GMC Terrain
SLT FWD
117,700 mi
Auburn, MA
Good Deal
$14,995
- 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:
- 34,940
- Stock #:
- CL7631A
- VIN:
- 3GKALPEVXML366988
2021 GMC Terrain
SLT FWD
34,940 mi
Clearwater, FL
Fair Deal
$22,044
- 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
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 70,958
- Stock #:
- CML320009
- VIN:
- 3GKALPEV8ML320009
2021 GMC Terrain
SLT FWD
70,958 mi
Henderson, NV
Great Deal
$15,996
- 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:
- Silver
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 91,509
- Stock #:
- CTHTML402552
- VIN:
- 3GKALPEV1ML402552
Price drop
-$509
2021 GMC Terrain
SLT FWD
91,509 mi
Tampa, FL
Good Deal
$16,498
$15,988
- 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 (Satin Steel Metallic)
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Medium Ash Gray/Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 115,571
- Stock #:
- ML330180
- VIN:
- 3GKALPEV2ML330180
2021 GMC Terrain
SLT FWD
115,571 mi
Metairie, LA
Good Deal
$15,173
- 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 (Satin Steel Metallic)
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 103,375
- Stock #:
- TML355504S
- VIN:
- 3GKALPEV6ML355504
New arrival
2021 GMC Terrain
SLT FWD
103,375 mi
Clarksville, TN
Fair Deal
$17,193
- 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:
- Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 120,253
- Stock #:
- T1821A
- VIN:
- 3GKALPEV5ML327399
2021 GMC Terrain
SLT FWD
120,253 mi
Tarboro, NC
Good Deal
$15,289
- 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 (Satin Steel Metallic)
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Medium Ash Gray/Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 37,525
- Stock #:
- ML391981A
- VIN:
- 3GKALPEV0ML391981
New arrival
2021 GMC Terrain
SLT FWD
37,525 mi
Chesapeake, VA
Fair Deal
$23,054
- 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:
- Black (Ebony Twilight Metallic)
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 123,363
- Stock #:
- K10917A
- VIN:
- 3GKALPEV3ML366296
Photos coming soon
2021 GMC Terrain
SLT FWD
123,363 mi
Barboursville, WV
Great Deal
$13,680
- 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:
- Blue Emerald Metallic
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 66,099
- Stock #:
- SLT7342345A
- VIN:
- 3GKALPEV8ML345637
2021 GMC Terrain
SLT FWD
66,099 mi
Oklahoma City, OK
Good Deal
$19,494
- 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:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 90,175
- Stock #:
- 1014
- VIN:
- 3GKALPEV6ML307615
2021 GMC Terrain
SLT FWD
90,175 mi
Clover, SC
Great Deal
$14,980
- 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 (Satin Steel Metallic)
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 36,347
- Stock #:
- V260063A
- VIN:
- 3GKALPEV5ML365618
2021 GMC Terrain
SLT FWD
36,347 mi
Norman, OK
Fair Deal
$22,223
FAQs
How much does the GMC Terrain SLT FWD cost?
The average GMC Terrain SLT FWD costs about $18,200.54. The average price has decreased by -2.8% since last year. The 781 for sale on CarGurus range from $8,872 to $31,882 in price.
How many GMC Terrain SLT FWD vehicles have no reported accidents or damage?
619 out of 781 for sale have no reported accidents or damage.
What is the fuel economy of the GMC Terrain SLT FWD?
Depending on the engine and options, the GMC Terrain SLT FWD gets between 24 and 27 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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