Used 2018 GMC Terrain SLT for SaleNationwide
70 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:
- 252 hp 2L I4
- Exterior color:
- Black (Charcoal)
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Gray
- Transmission:
- 9-Speed Automatic
- Mileage:
- 62,515
- Stock #:
- 13241
- VIN:
- 3GKALPEX1JL287318
2018 GMC Terrain
SLT
62,515 mi
Austin, TX
Good Deal
$16,139
- Year:
- 2018
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 252 hp 2L I4
- Exterior color:
- Black
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 74,286
- Stock #:
- 1039PBR
- VIN:
- 3GKALPEX8JL368882
2018 GMC Terrain
SLT
74,286 mi
Bristol, TN
Good Deal
$17,475
- Year:
- 2018
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 1.5L I4
- Exterior color:
- Gray (Satin Steel Metallic)
- Combined gas mileage:
- 28 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 100,685
- Stock #:
- N7893AA
- VIN:
- 3GKALPEV9JL225700
2018 GMC Terrain
SLT
100,685 mi
Saint Charles, IL
Fair Deal
$14,747
- Year:
- 2018
- 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:
- Medium Ash Gray/Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 148,722
- Stock #:
- D66146
- VIN:
- 3GKALPEV3JL366004
2018 GMC Terrain
SLT
148,722 mi
Owasso, OK
Good Deal
$11,038
- Year:
- 2018
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 1.5L I4
- Fuel type:
- Gasoline
- Transmission:
- 9-Speed Automatic Overdrive
- Mileage:
- 63,574
- Stock #:
- B218519
- VIN:
- 3GKALPEV9JL218519
2018 GMC Terrain
SLT
63,574 mi
Clearwater, FL
Good Deal
$14,995
- Year:
- 2018
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 1.5L I4
- Exterior color:
- -
- Combined gas mileage:
- 28 MPG
- Fuel type:
- Gasoline
- Interior color:
- -
- Transmission:
- 9-Speed Automatic
- Mileage:
- 112,587
- Stock #:
- 350883
- VIN:
- 3GKALPEVXJL350883
2018 GMC Terrain
SLT
112,587 mi
Bakersfield, CA
Good Deal
$13,324
- Year:
- 2018
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 1.5L I4
- Exterior color:
- Coppertino Metallic
- Combined gas mileage:
- 28 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 24,576
- Stock #:
- WP1823
- VIN:
- 3GKALPEV2JL313231
New arrival
2018 GMC Terrain
SLT
24,576 mi
Winter Haven, FL
Fair Deal
$20,515
- Year:
- 2018
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 252 hp 2L I4
- Exterior color:
- Red Quartz Tintcoat
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Medium Ash Gray/Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 99,203
- Stock #:
- 9257
- VIN:
- 3GKALPEX0JL202985
2018 GMC Terrain
SLT
99,203 mi
Excelsior Springs, MO
Good Deal
$15,400
- Year:
- 2018
- 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:
- Medium Ash Gray
- Transmission:
- 9-Speed Automatic
- Mileage:
- 115,393
- Stock #:
- VDP542A
- VIN:
- 3GKALPEV5JL255583
New arrival
2018 GMC Terrain
SLT
115,393 mi
Kansas City, MO
Good Deal
$13,600
- Year:
- 2018
- 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:
- Medium Ash Gray/Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 106,007
- Stock #:
- JL213024
- VIN:
- 3GKALPEV1JL213024
New arrival
2018 GMC Terrain
SLT
106,007 mi
Gallatin, TN
Fair Deal
$14,752
- Year:
- 2018
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 252 hp 2L I4
- Exterior color:
- Blue Steel Metallic
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 66,119
- Stock #:
- S131686A
- VIN:
- 3GKALPEX5JL305853
2018 GMC Terrain
SLT
66,119 mi
Wesley Chapel, FL
Fair Deal
$18,071
- Year:
- 2018
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 1.5L I4
- Exterior color:
- Black
- Combined gas mileage:
- 28 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 121,649
- Stock #:
- R8669A
- VIN:
- 3GKALPEV8JL271129
New arrival
2018 GMC Terrain
SLT
121,649 mi
Pontiac, IL
Good Deal
$12,375
- Year:
- 2018
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 1.5L I4
- Exterior color:
- Red
- Combined gas mileage:
- 28 MPG
- Fuel type:
- Gasoline
- Interior color:
- Brown (Beige)
- Transmission:
- Automatic
- Mileage:
- 145,825
- Stock #:
- 406154
- VIN:
- 3GKALPEV4JL406154
2018 GMC Terrain
SLT
145,825 mi
Hickory, NC
Fair Deal
$11,693
- Year:
- 2018
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 252 hp 2L I4
- Exterior color:
- Silver
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 100,787
- Stock #:
- C67064
- VIN:
- 3GKALPEX2JL367064
2018 GMC Terrain
SLT
100,787 mi
Mesa, AZ
Great Deal
$13,090
- Year:
- 2018
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 252 hp 2L I4
- Exterior color:
- Red Quartz Tintcoat
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Medium Ash Gray/Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 96,655
- Stock #:
- JL146273S
- VIN:
- 3GKALPEX2JL146273
Price drop
-$1,113
2018 GMC Terrain
SLT
96,655 mi
Evansville, IN
Fair Deal
$16,250
$15,137
- 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
- Interior color:
- Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 120,843
- Stock #:
- NA2273
- VIN:
- 3GKALPEV7JL289377
2018 GMC Terrain
SLT
120,843 mi
Norco, CA
Fair Deal
$11,530
- Year:
- 2018
- 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:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 82,046
- Stock #:
- HL431402
- VIN:
- 3GKALPEV4JL353746
New arrival
2018 GMC Terrain
SLT
82,046 mi
Langhorne, PA
Fair Deal
$16,393
- Year:
- 2018
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 252 hp 2L I4
- Exterior color:
- Gray (Satin Steel Metallic)
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Medium Ash Gray/Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 44,004
- Stock #:
- JL289078
- VIN:
- 3GKALPEX6JL289078
2018 GMC Terrain
SLT
44,004 mi
West Palm Beach, FL
Good Deal
$18,789
- Year:
- 2018
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 252 hp 2L I4
- Exterior color:
- Summit White
- Fuel type:
- Gasoline
- Interior color:
- Medium Ash Gray/Jet Black
- Transmission:
- 9-Speed Automatic Overdrive
- Mileage:
- 107,318
- Stock #:
- CP8664A
- VIN:
- 3GKALPEX2JL145866
2018 GMC Terrain
SLT
107,318 mi
Clinton, IN
Good Deal
$14,298
- Year:
- 2018
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 1.5L I4
- Exterior color:
- Black
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 9-Speed Automatic Overdrive
- Mileage:
- 127,693
- Stock #:
- PV-15713
- VIN:
- 3GKALPEV8JL273575
2018 GMC Terrain
SLT
127,693 mi
Albert Lea, MN
Good Deal
$12,195
- Year:
- 2018
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 252 hp 2L I4
- Exterior color:
- White
- Fuel type:
- Gasoline
- Mileage:
- 117,107
- Stock #:
- 18750
- VIN:
- 3GKALPEX1JL271698
2018 GMC Terrain
SLT
117,107 mi
Shelbyville, KY
Fair Deal
$15,399
- Year:
- 2018
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 252 hp 2L I4
- Exterior color:
- Red Quartz Tintcoat
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Brandy/Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 31,727
- Stock #:
- JL322143
- VIN:
- 3GKALPEX4JL322143
2018 GMC Terrain
SLT
31,727 mi
Shreveport, LA
Good Deal
$20,838
- Year:
- 2018
- 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:
- 102,986
- Stock #:
- 26GR280B
- VIN:
- 3GKALPEV4JL399383
2018 GMC Terrain
SLT
102,986 mi
Waukesha, WI
Fair Deal
$15,494
- Year:
- 2018
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 1.5L I4
- Exterior color:
- Red Quartz Tintcoat
- Combined gas mileage:
- 28 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 93,034
- VIN:
- 3GKALPEVXJL376125
New arrival
2018 GMC Terrain
SLT
93,034 mi
Redford, MI
Fair Deal
$14,279
FAQs
How much does the GMC Terrain SLT cost?
The average GMC Terrain SLT costs about $14,193.90. The average price has decreased by -2% since last year. The 311 for sale on CarGurus range from $4,995 to $1,234,567 in price.
How many GMC Terrain SLT vehicles have no reported accidents or damage?
183 out of 311 for sale have no reported accidents or damage.
What is the fuel economy of the GMC Terrain SLT?
Depending on the engine and options, the GMC Terrain SLT gets between 20 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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