Used 2021 GMC Terrain SLT AWD for SaleNationwide
139 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:
- Four-Wheel Drive
- Engine:
- 170 hp 1.5L I4
- Exterior color:
- Summit White
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 51,435
- Stock #:
- P1026
- VIN:
- 3GKALVEVXML392480
Price drop
-$1,579
2021 GMC Terrain
SLT AWD
51,435 mi
Fairfield, OH
Good Deal
$20,577
$19,995
- 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:
- Black (Ebony Twilight Metallic)
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Medium Ash Gray/Jet Black
- Transmission:
- Automatic
- Mileage:
- 93,773
- Stock #:
- 21B249
- VIN:
- 3GKALVEV8ML373636
Price drop
-$900
2021 GMC Terrain
SLT AWD
93,773 mi
Manchester, NH
Good Deal
$16,454
$15,554
- 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:
- Black (Ebony Twilight Metallic)
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 64,534
- Stock #:
- P2648
- VIN:
- 3GKALVEV1ML366589
Price drop
-$801
2021 GMC Terrain
SLT AWD
64,534 mi
Boston, NY
Good Deal
$18,975
$18,174
- 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:
- Black (Ebony Twilight Metallic)
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 88,375
- Stock #:
- T0655AA
- VIN:
- 3GKALVEV7ML325061
2021 GMC Terrain
SLT AWD
88,375 mi
St Louis, MO
Good Deal
$17,820
- 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:
- Red Quartz Tintcoat
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Medium Ash Gray/Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 37,221
- Stock #:
- U315993
- VIN:
- 3GKALVEV6ML315993
2021 GMC Terrain
SLT AWD
37,221 mi
Pasco, WA
Good Deal
$21,691
- 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
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 37,792
- Stock #:
- U300743
- VIN:
- 3GKALVEV7ML300743
2021 GMC Terrain
SLT AWD
37,792 mi
Hainesport, NJ
Good Deal
$20,342
- 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
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 9-Speed Automatic Overdrive
- Mileage:
- 84,712
- Stock #:
- 3907
- VIN:
- 3GKALVEV6ML390466
2021 GMC Terrain
SLT AWD
84,712 mi
Putnam, CT
Fair Deal
$17,253
- 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:
- Blue Emerald Metallic
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 82,017
- Stock #:
- 26161A
- VIN:
- 3GKALVEVXML308268
Price drop
-$494
2021 GMC Terrain
SLT AWD
82,017 mi
Topeka, KS
Good Deal
$19,092
$18,598
- 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:
- Red Quartz Tintcoat
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 81,943
- Stock #:
- ML321854
- VIN:
- 3GKALVEV0ML321854
2021 GMC Terrain
SLT AWD
81,943 mi
Columbia, MO
Good Deal
$18,400
- 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:
- Quicksilver Metallic
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 6,216
- Stock #:
- WU151T
- VIN:
- 3GKALVEVXML399090
New arrival
2021 GMC Terrain
SLT AWD
6,216 mi
White Plains, NY
Good Deal
$24,171
- 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:
- Black (Ebony Twilight Metallic)
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 151,625
- Stock #:
- G27005A
- VIN:
- 3GKALVEV2ML304246
2021 GMC Terrain
SLT AWD
151,625 mi
Paducah, KY
Great Deal
$11,094
- 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:
- Graphite Gray Metallic
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 40,899
- Stock #:
- B26-8022A
- VIN:
- 3GKALVEV1ML333723
2021 GMC Terrain
SLT AWD
40,899 mi
Perrysburg, OH
Fair Deal
$22,354
- 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:
- Medium Ash Gray/Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 58,187
- Stock #:
- 327196A
- VIN:
- 3GKALVEVXML389417
Price drop
-$1,179
2021 GMC Terrain
SLT AWD
58,187 mi
Branford, CT
Good Deal
$19,928
$18,749
- 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:
- Black (Ebony Twilight Metallic)
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 23,482
- Stock #:
- WU152T
- VIN:
- 3GKALVEV4ML381894
New arrival
2021 GMC Terrain
SLT AWD
23,482 mi
White Plains, NY
Good Deal
$22,164
- 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:
- Blue
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 99,050
- Stock #:
- 4161
- VIN:
- 3GKALVEV6ML312396
2021 GMC Terrain
SLT AWD
99,050 mi
Denver, CO
Great Deal
$14,798
- 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:
- Automatic
- Mileage:
- 21,984
- Stock #:
- U17037
- VIN:
- 3GKALVEV1ML379620
2021 GMC Terrain
SLT AWD
21,984 mi
Henderson, CO
Fair Deal
$23,121
- 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:
- Summit White
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 140,899
- Stock #:
- 37389A
- VIN:
- 3GKALVEV0ML307145
2021 GMC Terrain
SLT AWD
140,899 mi
Merrill, WI
Good Deal
$14,598
- 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:
- Silver
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 80,831
- Stock #:
- 13068A
- VIN:
- 3GKALVEV5ML320876
Price drop
-$1,514
2021 GMC Terrain
SLT AWD
80,831 mi
Raleigh, NC
Good Deal
$18,086
$17,471
- 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)
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 70,016
- Stock #:
- HABTML364152
- VIN:
- 3GKALVEV7ML364152
Price drop
-$499
2021 GMC Terrain
SLT AWD
70,016 mi
Brookline, MA
Great Deal
$16,996
$16,497
- 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:
- Black (Ebony Twilight Metallic)
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Brandy/Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 121,592
- Stock #:
- U1003
- VIN:
- 3GKALVEV1ML302231
2021 GMC Terrain
SLT AWD
121,592 mi
Red Springs, NC
Good Deal
$15,000
- 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:
- Summit White
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 77,360
- Stock #:
- PC27007B
- VIN:
- 3GKALVEV6ML327075
Price drop
-$1,094
2021 GMC Terrain
SLT AWD
77,360 mi
Pataskala, OH
Fair Deal
$18,987
$17,893
- 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:
- Summit White
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic Overdrive
- Mileage:
- 80,175
- Stock #:
- PJ00926
- VIN:
- 3GKALVEV2ML318650
2021 GMC Terrain
SLT AWD
80,175 mi
Honeoye Falls, NY
Great Deal
$15,495
- 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:
- Quicksilver Metallic
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 89,201
- Stock #:
- 3505218P
- VIN:
- 3GKALVEV2ML305218
2021 GMC Terrain
SLT AWD
89,201 mi
Yakima, WA
Fair Deal
$17,127
- 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:
- Quicksilver Metallic
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 89,462
- Stock #:
- U8583
- VIN:
- 3GKALVEV1ML304724
Price drop
-$990
2021 GMC Terrain
SLT AWD
89,462 mi
Lewistown, PA
Fair Deal
$17,488
$16,988
FAQs
How much does the GMC Terrain SLT AWD cost?
The average GMC Terrain SLT AWD costs about $17,421.41. The average price has decreased by -7.2% since last year. The 1851 for sale on CarGurus range from $2,200 to $41,900 in price.
How many GMC Terrain SLT AWD vehicles have no reported accidents or damage?
1428 out of 1851 for sale have no reported accidents or damage.
What is the fuel economy of the GMC Terrain SLT AWD?
Depending on the engine and options, the GMC Terrain SLT AWD gets between 19 and 26 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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