Used 2021 GMC Terrain SLT AWD for SaleNationwide
155 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:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 31,681
- Stock #:
- G364907B
- VIN:
- 3GKALVEV6ML349576
Price drop
-$699
2021 GMC Terrain
SLT AWD
31,681 mi
Louisville, NE
Good Deal
$23,694
$23,194
- 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:
- Automatic
- Mileage:
- 46,487
- Stock #:
- ML324701
- VIN:
- 3GKALVEV1ML324701
2021 GMC Terrain
SLT AWD
46,487 mi
Feasterville Trevose, PA
Fair Deal
$20,486
- 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:
- Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 64,882
- Stock #:
- VK206419A
- VIN:
- 3GKALVEV1ML374353
New arrival
2021 GMC Terrain
SLT AWD
64,882 mi
Williston, VT
Fair Deal
$20,532
- 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:
- 105,662
- Stock #:
- 26HS504B
- VIN:
- 3GKALVEV0ML318548
2021 GMC Terrain
SLT AWD
105,662 mi
Janesville, WI
Fair Deal
$16,998
- 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:
- 97,778
- Stock #:
- 26UG149
- VIN:
- 3GKALVEV1ML372814
2021 GMC Terrain
SLT AWD
97,778 mi
Hermiston, OR
Great Deal
$16,099
- 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:
- Gray (Satin Steel Metallic)
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 81,000
- Stock #:
- N37426A
- VIN:
- 3GKALVEV4ML366747
2021 GMC Terrain
SLT AWD
81,000 mi
Bedford, OH
Good Deal
$17,395
- 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:
- 50,154
- Stock #:
- V3692A
- VIN:
- 3GKALVEV6ML343583
Price drop
-$500
2021 GMC Terrain
SLT AWD
50,154 mi
St Albans, VT
Good Deal
$21,599
$21,099
- 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 (Ebony Twilight Metallic)
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black Leather
- Transmission:
- Automatic
- Mileage:
- 117,671
- Stock #:
- J2258A
- VIN:
- 3GKALVEV8ML395054
2021 GMC Terrain
SLT AWD
117,671 mi
Fredericktown, MO
Good Deal
$15,607
- 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
- Fuel type:
- Gasoline
- Interior color:
- JET BLACK
- Transmission:
- 9-Speed Automatic Overdrive
- Mileage:
- 133,845
- Stock #:
- DT2397C
- VIN:
- 3GKALVEV5ML324250
2021 GMC Terrain
SLT AWD
133,845 mi
Clinton, IL
Good Deal
$14,323
- 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 Perforated Appointed Seat Trim
- Transmission:
- 9-Speed Automatic
- Mileage:
- 43,762
- Stock #:
- T27007B
- VIN:
- 3GKALVEV6ML324774
New arrival
2021 GMC Terrain
SLT AWD
43,762 mi
Delaware, OH
Fair Deal
$23,393
- 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:
- 9-Speed Automatic
- Mileage:
- 107,212
- Stock #:
- 338754
- VIN:
- 3GKALTEV9ML338754
2021 GMC Terrain
SLT AWD
107,212 mi
Taunton, MA
Good Deal
$16,276
- 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:
- Brandy/Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 39,208
- Stock #:
- APT331603
- VIN:
- 3GKALVEV3ML331603
Price drop
-$400
2021 GMC Terrain
SLT AWD
39,208 mi
Palm Beach Gardens, FL
Great Deal
$20,900
$20,500
- 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:
- 88,375
- Stock #:
- T0655AA
- VIN:
- 3GKALVEV7ML325061
2021 GMC Terrain
SLT AWD
88,375 mi
St Louis, MO
Fair Deal
$18,820
- 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:
- Blue Emerald Metallic
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 49,786
- Stock #:
- TML311945
- VIN:
- 3GKALVEV8ML311945
Price drop
-$1,000
2021 GMC Terrain
SLT AWD
49,786 mi
Palm Springs, CA
Great Deal
$19,035
$18,035
- 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:
- 9-Speed Automatic
- Mileage:
- 96,485
- Stock #:
- C7V0091
- VIN:
- 3GKALVEV0ML319134
2021 GMC Terrain
SLT AWD
96,485 mi
Devils Lake, ND
Fair Deal
$18,390
- 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:
- 39,205
- Stock #:
- ML346210
- VIN:
- 3GKALVEV4ML346210
Price drop
-$899
2021 GMC Terrain
SLT AWD
39,205 mi
Golden, CO
Great Deal
$20,899
$20,000
- 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:
- Red Quartz Tintcoat
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Medium Ash Gray/Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 63,388
- Stock #:
- P7677D
- VIN:
- 3GKALVEV2ML344603
2021 GMC Terrain
SLT AWD
63,388 mi
Somersworth, NH
Great Deal
$18,497
- 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:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 64,534
- Stock #:
- P2648
- VIN:
- 3GKALVEV1ML366589
2021 GMC Terrain
SLT AWD
64,534 mi
Boston, NY
Good Deal
$19,474
- 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:
- Black
- Transmission:
- Automatic
- Mileage:
- 67,147
- Stock #:
- 3306479B
- VIN:
- 3GKALVEV2ML306479
Price drop
-$500
2021 GMC Terrain
SLT AWD
67,147 mi
Arcadia, FL
Fair Deal
$19,252
$18,752
- 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:
- 10,493
- Stock #:
- C9694MV
- VIN:
- 3GKALVEV2ML367914
2021 GMC Terrain
SLT AWD
10,493 mi
Rhinebeck, NY
Great Deal
$23,169
- 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:
- Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 58,316
- Stock #:
- J25479AA
- VIN:
- 3GKALVEV3ML363905
New arrival
2021 GMC Terrain
SLT AWD
58,316 mi
Warwick, RI
Fair Deal
$20,903
- 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:
- 126,333
- Stock #:
- H-2724
- VIN:
- 3GKALVEV8ML302355
2021 GMC Terrain
SLT AWD
126,333 mi
Rogers, MN
Fair Deal
$15,240
- 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
2021 GMC Terrain
SLT AWD
93,773 mi
Manchester, NH
Good Deal
$17,524
- 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:
- 91,289
- Stock #:
- GC093MAA
- VIN:
- 3GKALVEV4ML302093
2021 GMC Terrain
SLT AWD
91,289 mi
Cut Off, LA
Fair Deal
$17,458
FAQs
How much does the GMC Terrain SLT AWD cost?
The average GMC Terrain SLT AWD costs about $18,200.54. The average price has decreased by -2.8% since last year. The 1977 for sale on CarGurus range from $5,659 to $41,900 in price.
How many GMC Terrain SLT AWD vehicles have no reported accidents or damage?
1585 out of 1977 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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