Used 2021 GMC Terrain SLT FWD for SaleNationwide
100 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 (Satin Steel Metallic)
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 48,708
- Stock #:
- 360016A
- VIN:
- 3GKALPEV1ML383663
Price drop
-$1,500
2021 GMC Terrain
SLT FWD
48,708 mi
Tucson, AZ
Good Deal
$21,490
$19,990
- 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
Good Deal
$20,044
- 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:
- Summit White
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 41,915
- Stock #:
- ML311141
- VIN:
- 3GKALPEV7ML311141
2021 GMC Terrain
SLT FWD
41,915 mi
Lubbock, TX
Good Deal
$20,217
- 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:
- 30,977
- Stock #:
- 41F11007
- VIN:
- 3GKALPEV6ML399390
New arrival
2021 GMC Terrain
SLT FWD
30,977 mi
Hanford, CA
Great Deal
$19,994
- 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
Price drop
-$500
2021 GMC Terrain
SLT FWD
34,940 mi
Clearwater, FL
Good Deal
$20,544
$20,044
- 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:
- Summit White
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 91,901
- Stock #:
- X4267B
- VIN:
- 3GKALPEV4ML314708
2021 GMC Terrain
SLT FWD
91,901 mi
Festus, MO
Fair Deal
$17,399
- 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:
- 106,065
- Stock #:
- 16968ZP
- VIN:
- 3GKALPEV5ML332957
Price drop
-$1,200
2021 GMC Terrain
SLT FWD
106,065 mi
Huntersville, NC
Good Deal
$16,482
$15,282
- Year:
- 2021
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 170 hp 1.5L I4
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Mileage:
- 51,324
- Stock #:
- 1150212A
- VIN:
- 3GKALPEVXML389168
Price drop
-$1,394
2021 GMC Terrain
SLT FWD
51,324 mi
Springfield, TN
Great Deal
$20,194
$18,800
- 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:
- 82,915
- Stock #:
- 2667192J
- VIN:
- 3GKALPEV3ML348199
Price drop
-$600
2021 GMC Terrain
SLT FWD
82,915 mi
Kirkland, WA
Good Deal
$16,897
$16,297
- 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
Fair 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:
- 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
2021 GMC Terrain
SLT FWD
103,375 mi
Clarksville, TN
Great Deal
$15,187
- 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
2021 GMC Terrain
SLT FWD
40,169 mi
Athens, AL
Good Deal
$20,290
- 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:
- 55,399
- Stock #:
- 42445
- VIN:
- 3GKALPEV6ML342445
2021 GMC Terrain
SLT FWD
55,399 mi
Cherry Hill, NJ
Fair Deal
$19,598
- 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:
- 103,840
- Stock #:
- LM10861
- VIN:
- 3GKALPEV7ML390889
Price drop
-$451
2021 GMC Terrain
SLT FWD
103,840 mi
Albuquerque, NM
Good Deal
$16,523
$16,072
- 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
$18,298
- 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:
- 102,845
- Stock #:
- ML357296
- VIN:
- 3GKALPEV2ML357296
2021 GMC Terrain
SLT FWD
102,845 mi
Oklahoma City, OK
Fair Deal
$16,199
- 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
- Transmission:
- Automatic
- Mileage:
- 75,615
- Stock #:
- 369803
- VIN:
- 3GKALPEV9ML369803
Price drop
-$1,240
2021 GMC Terrain
SLT FWD
75,615 mi
Pensacola, FL
Good Deal
$19,896
$18,656
- 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:
- 152,424
- Stock #:
- ML328841
- VIN:
- 3GKALPEVXML328841
New arrival
2021 GMC Terrain
SLT FWD
152,424 mi
Brandon, MS
Good Deal
$13,325
- 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:
- Red Quartz Tintcoat
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 62,788
- Stock #:
- V11462
- VIN:
- 3GKALPEV7ML341613
2021 GMC Terrain
SLT FWD
62,788 mi
Bedford, OH
Good Deal
$17,908
- 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
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 9-Speed Automatic Overdrive
- Mileage:
- 95,452
- Stock #:
- 310253
- VIN:
- 3GKALPEV2ML310253
2021 GMC Terrain
SLT FWD
95,452 mi
Raleigh, NC
Great Deal
$14,794
- 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
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 9-Speed Automatic Overdrive
- Mileage:
- 59,871
- Stock #:
- 365389
- VIN:
- 3GKALPEV5ML365389
2021 GMC Terrain
SLT FWD
59,871 mi
Warsaw, IN
Good Deal
$18,145
- 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:
- Automatic
- Mileage:
- 41,829
- Stock #:
- 359983
- VIN:
- 3GKALPEV9ML359983
2021 GMC Terrain
SLT FWD
41,829 mi
Bellflower, CA
Fair Deal
$18,817
- 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:
- Gray
- Transmission:
- Automatic
- Mileage:
- 84,782
- Stock #:
- CHYTML365915
- VIN:
- 3GKALPEV0ML365915
2021 GMC Terrain
SLT FWD
84,782 mi
Deland, FL
Fair Deal
$16,568
- 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:
- 110,710
- Stock #:
- ML329730
- VIN:
- 3GKALPEV6ML329730
2021 GMC Terrain
SLT FWD
110,710 mi
Lithia Springs, GA
Fair Deal
$15,354
FAQs
How much does the GMC Terrain SLT FWD cost?
The average GMC Terrain SLT FWD costs about $17,421.41. The average price has decreased by -7.2% since last year. The 798 for sale on CarGurus range from $9,150 to $32,625 in price.
How many GMC Terrain SLT FWD vehicles have no reported accidents or damage?
612 out of 798 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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