Used 2018 GMC Terrain SLT for SaleNationwide
65 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:
- 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:
- 94,267
- Stock #:
- PV10465
- VIN:
- 3GKALPEV9JL225700
2018 GMC Terrain
SLT
94,267 mi
Crystal Lake, IL
Fair Deal
$14,859
- 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
Price drop
-$500
2018 GMC Terrain
SLT
107,318 mi
Clinton, IN
Good Deal
$13,798
$13,298
- 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
Hollywood, FL
Good Deal
$17,182
- Year:
- 2018
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 1.5L I4
- Exterior color:
- Blue Steel Metallic
- Combined gas mileage:
- 28 MPG
- Fuel type:
- Gasoline
- Interior color:
- Medium Ash Gray/Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 132,572
- Stock #:
- V2732WA
- VIN:
- 3GKALPEV0JL272436
2018 GMC Terrain
SLT
132,572 mi
Hampton, VA
Fair Deal
$12,697
- 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
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Medium Ash Gray/Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 97,898
- Stock #:
- 20999
- VIN:
- 3GKALPEX0JL340252
2018 GMC Terrain
SLT
97,898 mi
Corinth, MS
Fair Deal
$15,988
- 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:
- 82,053
- Stock #:
- HL431402
- VIN:
- 3GKALPEV4JL353746
Price drop
-$700
2018 GMC Terrain
SLT
82,053 mi
Langhorne, PA
Good Deal
$15,172
$14,472
- Year:
- 2018
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 1.5L I4
- Exterior color:
- Gray (Steel Metallic)
- Combined gas mileage:
- 28 MPG
- Fuel type:
- Gasoline
- Interior color:
- Gray (Light Platinum)
- Transmission:
- Automatic
- Mileage:
- 135,502
- Stock #:
- STK58827T
- VIN:
- 3GKALPEV0JL258827
Price drop
-$250
2018 GMC Terrain
SLT
135,502 mi
Indianapolis, IN
Fair Deal
$10,850
$10,600
- Year:
- 2018
- 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:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 130,747
- Stock #:
- C7011A
- VIN:
- 3GKALPEX6JL194486
Price drop
-$500
2018 GMC Terrain
SLT
130,747 mi
Akron, OH
Fair Deal
$11,943
$11,443
- Year:
- 2018
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 1.5L I4
- Exterior color:
- Silver
- Combined gas mileage:
- 28 MPG
- Fuel type:
- Gasoline
- Interior color:
- Gray
- Transmission:
- Automatic
- Mileage:
- 90,463
- Stock #:
- 1564
- VIN:
- 3GKALPEV1JL141564
2018 GMC Terrain
SLT
90,463 mi
Wichita, KS
Great Deal
$13,000
- Year:
- 2018
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 1.5L I4
- Exterior color:
- White
- Fuel type:
- Gasoline
- Interior color:
- Brown
- Transmission:
- 9-Speed Automatic Overdrive
- Mileage:
- 83,909
- Stock #:
- 384524
- VIN:
- 3GKALPEV9JL384524
2018 GMC Terrain
SLT
83,909 mi
Youngsville, NC
Good Deal
$13,740
- 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:
- 146,000
- Stock #:
- T7951PB
- VIN:
- 3GKALPEV6JL320540
2018 GMC Terrain
SLT
146,000 mi
Dearborn, MI
Fair Deal
$10,080
- Year:
- 2018
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 1.5L I4
- Exterior color:
- Quicksilver Metallic
- Combined gas mileage:
- 28 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 93,250
- Stock #:
- JL321915A
- VIN:
- 3GKALPEV6JL321915
Price drop
-$968
2018 GMC Terrain
SLT
93,250 mi
Farmington, MI
Good Deal
$13,999
$13,311
- 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
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Gray
- Transmission:
- Automatic
- Mileage:
- 127,900
- Stock #:
- HP14119
- VIN:
- 3GKALPEX3JL295291
New arrival
2018 GMC Terrain
SLT
127,900 mi
Savannah, GA
Fair Deal
$13,136
- 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:
- 134,593
- Stock #:
- TZ036508A
- VIN:
- 3GKALPEV0JL162597
New arrival
2018 GMC Terrain
SLT
134,593 mi
Nashville, TN
Great Deal
$9,300
- Year:
- 2018
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 252 hp 2L I4
- Exterior color:
- Brown
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 60,174
- Stock #:
- 256110
- VIN:
- 3GKALPEX9JL256110
New arrival
2018 GMC Terrain
SLT
60,174 mi
Bloomington, IL
Good Deal
$17,872
- 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:
- Gray
- Transmission:
- Automatic
- Mileage:
- 119,767
- Stock #:
- 319958
- VIN:
- 3GKALPEV3JL319958
2018 GMC Terrain
SLT
119,767 mi
Somerset, KY
Fair Deal
$14,685
- 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
Good Deal
$11,193
- Year:
- 2018
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 252 hp 2L I4
- Exterior color:
- Quicksilver Metallic
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 102,814
- Stock #:
- 34279B
- VIN:
- 3GKALPEX2JL311299
Price drop
-$1,000
2018 GMC Terrain
SLT
102,814 mi
Gallatin, TN
Good Deal
$15,789
$14,789
- 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
$14,254
- 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:
- 55,376
- Stock #:
- 10113A
- VIN:
- 3GKALPEV4JL271421
2018 GMC Terrain
SLT
55,376 mi
Cape Girardeau, MO
Fair Deal
$19,597
- Year:
- 2018
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Exterior color:
- Summit White
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 104,954
- Stock #:
- Q8126A
- VIN:
- 3GKALPEX1JL180897
New arrival
2018 GMC Terrain
SLT
104,954 mi
Battle Creek, MI
Good Deal
$13,988
- 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 (Ebony Twilight Metallic)
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Medium Ash Gray/Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 114,722
- Stock #:
- SP2067
- VIN:
- 3GKALPEX3JL282993
Photos coming soon
2018 GMC Terrain
SLT
114,722 mi
Summerville, SC
Fair Deal
$14,299
- 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:
- 129,307
- Stock #:
- S270030AB
- VIN:
- 3GKALPEX0JL327212
2018 GMC Terrain
SLT
129,307 mi
Miamisburg, OH
Fair Deal
$13,375
- 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
- Fuel type:
- Gasoline
- Transmission:
- 9-Speed Automatic Overdrive
- Mileage:
- 116,572
- Stock #:
- 295746
- VIN:
- 3GKALPEX7JL295746
2018 GMC Terrain
SLT
116,572 mi
Spring Branch, TX
Good Deal
$12,220
FAQs
How much does the GMC Terrain SLT cost?
The average GMC Terrain SLT costs about $13,795.96. The average price has decreased by -5.4% since last year. The 310 for sale on CarGurus range from $5,230 to $23,980 in price.
How many GMC Terrain SLT vehicles have no reported accidents or damage?
199 out of 310 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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