Used 2021 GMC Terrain SLE AWD 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:
- 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:
- 86,276
- Stock #:
- 26J3089C
- VIN:
- 3GKALTEV1ML382733
2021 GMC Terrain
SLE AWD
86,276 mi
Victorville, CA
Fair Deal
$17,013
- 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:
- Medium Ash Gray/Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 75,862
- Stock #:
- G303623A
- VIN:
- 3GKALTEV9ML387551
2021 GMC Terrain
SLE AWD
75,862 mi
Mitchell, SD
Fair Deal
$19,253
- 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:
- Gray
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Gray
- Transmission:
- 9-Speed Automatic
- Mileage:
- 107,124
- Stock #:
- 5386
- VIN:
- 3GKALTEV3ML379705
2021 GMC Terrain
SLE AWD
107,124 mi
Pawtucket, RI
Great Deal
$14,294
- 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:
- 90,066
- Stock #:
- BW6617A
- VIN:
- 3GKALTEV4ML344512
2021 GMC Terrain
SLE AWD
90,066 mi
Woonsocket, RI
Fair Deal
$17,099
- 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
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Transmission:
- Automatic
- Mileage:
- 72,621
- Stock #:
- 7010T
- VIN:
- 3GKALTEV8ML364004
2021 GMC Terrain
SLE AWD
72,621 mi
Lansing, MI
Good Deal
$17,160
- 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:
- 121,537
- Stock #:
- FZR35422A
- VIN:
- 3GKALTEV9ML359152
Price drop
-$500
2021 GMC Terrain
SLE AWD
121,537 mi
Fairfield, CT
Great Deal
$13,720
$13,220
- 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:
- 41,637
- Stock #:
- 303763T
- VIN:
- 3GKALTEV0ML303763
2021 GMC Terrain
SLE AWD
41,637 mi
Honesdale, PA
Good Deal
$23,044
- 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:
- 60,863
- Stock #:
- U1368
- VIN:
- 3GKALTEV3ML370793
New arrival
2021 GMC Terrain
SLE AWD
60,863 mi
Batesburg-Leesville, SC
Fair Deal
$20,105
- 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
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic Overdrive
- Mileage:
- 106,048
- Stock #:
- B299A
- VIN:
- 3GKALTEV2ML305627
2021 GMC Terrain
SLE AWD
106,048 mi
Roanoke, IL
Great Deal
$14,413
- 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 Metallic)
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 49,144
- Stock #:
- T24949D
- VIN:
- 3GKALTEV3ML365383
Price drop
-$600
2021 GMC Terrain
SLE AWD
49,144 mi
Webster, NY
Good Deal
$20,796
$20,196
- 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
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Transmission:
- Automatic
- Mileage:
- 41,795
- Stock #:
- SS26435
- VIN:
- 3GKALTEV3ML322145
2021 GMC Terrain
SLE AWD
41,795 mi
Lake Katrine, NY
Good Deal
$19,774
- 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:
- 61,205
- Stock #:
- ML320122
- VIN:
- 3GKALTEV3ML320122
2021 GMC Terrain
SLE AWD
61,205 mi
Golden, CO
Good Deal
$18,249
- 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:
- 47,257
- Stock #:
- 24-369
- VIN:
- 3GKALTEV3ML371877
2021 GMC Terrain
SLE AWD
47,257 mi
Saint Louis, MI
Good Deal
$20,015
- 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:
- 62,126
- Stock #:
- P10519
- VIN:
- 3GKALTEV9ML342366
2021 GMC Terrain
SLE AWD
62,126 mi
Columbia, SC
Fair Deal
$20,969
- 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 Metallic)
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 85,019
- Stock #:
- G51260A
- VIN:
- 3GKALTEV1ML335430
2021 GMC Terrain
SLE AWD
85,019 mi
Franklin, MA
Fair Deal
$18,283
- 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:
- 85,636
- Stock #:
- WP0307
- VIN:
- 3GKALTEVXML395061
2021 GMC Terrain
SLE AWD
85,636 mi
Winchester, VA
Great Deal
$16,698
- 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 w/Premium Cloth Seat Trim
- Transmission:
- 9-Speed Automatic
- Mileage:
- 30,410
- Stock #:
- A33246A
- VIN:
- 3GKALTEV0ML387051
New arrival
2021 GMC Terrain
SLE AWD
30,410 mi
Belleville, IL
Fair Deal
$22,678
- 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:
- [GAZ] Summit White
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Medium Ash Gray/Jet Black
- Transmission:
- Automatic
- Mileage:
- 81,250
- Stock #:
- 357259
- VIN:
- 3GKALTEV6ML357259
![[GAZ] Summit White 2021 GMC Terrain SUV / Crossover Four-Wheel Drive Automatic](https://static.cargurus.com/images/forsale/2026/08/04/00/40/2021_gmc_terrain-pic-3146350138760443854-1024x768.jpeg?io=true&width=640&height=480&fit=bounds&format=jpg&auto=webp)
2021 GMC Terrain
SLE AWD
81,250 mi
Bentleyville, PA
Good Deal
$17,967
- 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 Metallic)
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 38,031
- Stock #:
- PB5283
- VIN:
- 3GKALTEV3ML380580
2021 GMC Terrain
SLE AWD
38,031 mi
Hillsboro, OR
Good Deal
$20,708
- 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:
- 82,491
- Stock #:
- T5513A
- VIN:
- 3GKALTEV4ML339200
2021 GMC Terrain
SLE AWD
82,491 mi
Moosic, PA
Fair Deal
$17,995
- 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:
- Quicksilver Metallic
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic Overdrive
- Mileage:
- 55,802
- Stock #:
- M260696A
- VIN:
- 3GKALTEV7ML400328
New arrival
2021 GMC Terrain
SLE AWD
55,802 mi
Gladstone, OR
Fair Deal
$20,221
- 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:
- Pewter
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 56,570
- Stock #:
- N0432/2048
- VIN:
- 3GKALTEV5ML350187
2021 GMC Terrain
SLE AWD
56,570 mi
Fruitport, MI
Fair Deal
$20,275
- 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
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Gray
- Transmission:
- 9-Speed Automatic
- Mileage:
- 79,000
- VIN:
- 3GKALTEV0ML381198
2021 GMC Terrain
SLE AWD
79,000 mi
Milford, NE
Good Deal
$18,500
- 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:
- 141,473
- Stock #:
- 15462
- VIN:
- 3GKALTEV9ML374671
2021 GMC Terrain
SLE AWD
141,473 mi
Storm Lake, IA
Good Deal
$12,900
FAQs
How much does the GMC Terrain SLE AWD cost?
The average GMC Terrain SLE AWD costs about $18,181.49. The average price has decreased by -2.9% since last year. The 1858 for sale on CarGurus range from $5,995 to $40,900 in price.
How many GMC Terrain SLE AWD vehicles have no reported accidents or damage?
1527 out of 1858 for sale have no reported accidents or damage.
What is the fuel economy of the GMC Terrain SLE AWD?
Depending on the engine and options, the GMC Terrain SLE AWD gets between 23 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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