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  • White 2021 GMC Terrain SLEWhite 2021 GMC Terrain SLEWhite 2021 GMC Terrain SLEWhite 2021 GMC Terrain SLEWhite 2021 GMC Terrain SLEWhite 2021 GMC Terrain SLE

    $22,226

    59,819 mi.
    Est. $395/mo

    Circle Buick GMC

    4.1
    Highland, IN (26 mi)
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  • Quicksilver Metallic 2021 GMC Terrain SLEQuicksilver Metallic 2021 GMC Terrain SLEQuicksilver Metallic 2021 GMC Terrain SLEQuicksilver Metallic 2021 GMC Terrain SLEQuicksilver Metallic 2021 GMC Terrain SLEQuicksilver Metallic 2021 GMC Terrain SLE

    $16,252

    101,253 mi.
    Est. $289/mo

    Vision Nissan of Canandaigua

    4.8
    Canandaigua, NY (532 mi)
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  • Ebony Twilight Metallic 2021 GMC Terrain SLEEbony Twilight Metallic 2021 GMC Terrain SLEEbony Twilight Metallic 2021 GMC Terrain SLEEbony Twilight Metallic 2021 GMC Terrain SLEEbony Twilight Metallic 2021 GMC Terrain SLEEbony Twilight Metallic 2021 GMC Terrain SLE

    $19,798

    $412
    53,297 mi.
    Est. $352/mo

    Jerry Hunt Supercenter

    4.5
    Lexington, NC (577 mi)
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  • Ebony Twilight Metallic 2021 GMC Terrain SLEEbony Twilight Metallic 2021 GMC Terrain SLEEbony Twilight Metallic 2021 GMC Terrain SLEEbony Twilight Metallic 2021 GMC Terrain SLEEbony Twilight Metallic 2021 GMC Terrain SLEEbony Twilight Metallic 2021 GMC Terrain SLE

    $18,980

    42,165 mi.
    Est. $337/mo

    Village Ford

    4.0
    Dearborn, MI (226 mi)
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  • Gray 2021 GMC Terrain SLEGray 2021 GMC Terrain SLEGray 2021 GMC Terrain SLEGray 2021 GMC Terrain SLEGray 2021 GMC Terrain SLEGray 2021 GMC Terrain SLE

    $19,733

    65,464 mi.
    Est. $350/mo

    Star Auto Mall

    4.4
    Bethlehem, PA (642 mi)
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  • Satin Steel Metallic 2021 GMC Terrain SLESatin Steel Metallic 2021 GMC Terrain SLESatin Steel Metallic 2021 GMC Terrain SLESatin Steel Metallic 2021 GMC Terrain SLESatin Steel Metallic 2021 GMC Terrain SLESatin Steel Metallic 2021 GMC Terrain SLE

    $20,915

    61,753 mi.
    Est. $371/mo

    Scranton GMC of Vernon

    4.4
    Vernon, CT (779 mi)
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  • Summit White 2021 GMC Terrain SLESummit White 2021 GMC Terrain SLESummit White 2021 GMC Terrain SLESummit White 2021 GMC Terrain SLESummit White 2021 GMC Terrain SLESummit White 2021 GMC Terrain SLE

    $16,250

    117,485 mi.
    Est. $289/mo

    Jeff Belzer's New Prague

    4.7
    New Prague, MN (350 mi)
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  • Summit White 2021 GMC Terrain SLESummit White 2021 GMC Terrain SLESummit White 2021 GMC Terrain SLESummit White 2021 GMC Terrain SLESummit White 2021 GMC Terrain SLESummit White 2021 GMC Terrain SLE

    $16,990

    54,945 mi.
    Est. $302/mo

    Bomnin Chrysler Dodge Jeep Ram

    4.8
    Miami, FL (1,187 mi)
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  • Summit White 2021 GMC Terrain SLESummit White 2021 GMC Terrain SLESummit White 2021 GMC Terrain SLESummit White 2021 GMC Terrain SLESummit White 2021 GMC Terrain SLESummit White 2021 GMC Terrain SLE

    $20,000

    51,522 mi.
    Est. $355/mo

    Matthews Nissan of Clay

    4.5
    Liverpool, NY (587 mi)
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  • Ebony Twilight Metallic 2021 GMC Terrain SLEEbony Twilight Metallic 2021 GMC Terrain SLEEbony Twilight Metallic 2021 GMC Terrain SLEEbony Twilight Metallic 2021 GMC Terrain SLEEbony Twilight Metallic 2021 GMC Terrain SLEEbony Twilight Metallic 2021 GMC Terrain SLE

    $19,260

    $112
    66,375 mi.
    Est. $342/mo

    Russ Darrow Mazda of Greenfield

    4.6
    Greenfield, WI (79 mi)
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  • Summit White 2021 GMC Terrain SLESummit White 2021 GMC Terrain SLESummit White 2021 GMC Terrain SLESummit White 2021 GMC Terrain SLESummit White 2021 GMC Terrain SLESummit White 2021 GMC Terrain SLE

    $21,202

    44,817 mi.
    Est. $376/mo

    McDonald GMC Cadillac

    4.9
    Saginaw, MI (213 mi)
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  • Quicksilver Metallic 2021 GMC Terrain SLEQuicksilver Metallic 2021 GMC Terrain SLEQuicksilver Metallic 2021 GMC Terrain SLEQuicksilver Metallic 2021 GMC Terrain SLEQuicksilver Metallic 2021 GMC Terrain SLEQuicksilver Metallic 2021 GMC Terrain SLE

    $23,808

    42,490 mi.
    Est. $423/mo

    Rick Hendrick Buick GMC

    4.8
    Duluth, GA (580 mi)
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  • Summit White 2021 GMC Terrain SLESummit White 2021 GMC Terrain SLESummit White 2021 GMC Terrain SLESummit White 2021 GMC Terrain SLESummit White 2021 GMC Terrain SLESummit White 2021 GMC Terrain SLE

    $19,681

    61,384 mi.
    Est. $349/mo

    Group 1 Nissan Round Rock

    4.7
    Round Rock, TX (962 mi)
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  • Blue Emerald Metallic 2021 GMC Terrain SLEBlue Emerald Metallic 2021 GMC Terrain SLEBlue Emerald Metallic 2021 GMC Terrain SLEBlue Emerald Metallic 2021 GMC Terrain SLEBlue Emerald Metallic 2021 GMC Terrain SLEBlue Emerald Metallic 2021 GMC Terrain SLE

    $19,962

    57,270 mi.
    Est. $354/mo

    Classic Chevrolet Owasso

    4.3
    Owasso, OK (586 mi)
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  • Quicksilver Metallic 2021 GMC Terrain SLEQuicksilver Metallic 2021 GMC Terrain SLEQuicksilver Metallic 2021 GMC Terrain SLEQuicksilver Metallic 2021 GMC Terrain SLEQuicksilver Metallic 2021 GMC Terrain SLEQuicksilver Metallic 2021 GMC Terrain SLE

    $20,213

    42,171 mi.
    Est. $359/mo

    Sport Mazda South

    4.9
    Orlando, FL (995 mi)
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  • Summit White 2021 GMC Terrain SLESummit White 2021 GMC Terrain SLESummit White 2021 GMC Terrain SLESummit White 2021 GMC Terrain SLESummit White 2021 GMC Terrain SLESummit White 2021 GMC Terrain SLE

    $19,492

    $655
    36,970 mi.
    Est. $346/mo

    Findlay Volvo Cars Las Vegas

    4.8
    Las Vegas, NV (1,529 mi)
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  • Ebony Twilight Metallic 2021 GMC Terrain SLEEbony Twilight Metallic 2021 GMC Terrain SLEEbony Twilight Metallic 2021 GMC Terrain SLEEbony Twilight Metallic 2021 GMC Terrain SLEEbony Twilight Metallic 2021 GMC Terrain SLEEbony Twilight Metallic 2021 GMC Terrain SLE

    $18,894

    $100
    97,993 mi.
    Est. $335/mo

    Gordie Boucher Ford Lincoln of West Bend

    4.7
    West Bend, WI (111 mi)
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  • Summit White 2021 GMC Terrain SLESummit White 2021 GMC Terrain SLESummit White 2021 GMC Terrain SLESummit White 2021 GMC Terrain SLESummit White 2021 GMC Terrain SLESummit White 2021 GMC Terrain SLE

    $21,111

    45,667 mi.
    Est. $375/mo

    Ross Downing GMC of Gonzales

    4.1
    Gonzales, LA (827 mi)
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  • Quicksilver Metallic 2021 GMC Terrain SLEQuicksilver Metallic 2021 GMC Terrain SLEQuicksilver Metallic 2021 GMC Terrain SLEQuicksilver Metallic 2021 GMC Terrain SLEQuicksilver Metallic 2021 GMC Terrain SLEQuicksilver Metallic 2021 GMC Terrain SLE

    $21,999

    40,668 mi.
    Est. $391/mo

    Mastrovito Chevrolet

    4.6
    Yorkville, NY (634 mi)
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  • Blue Emerald Metallic 2021 GMC Terrain SLEBlue Emerald Metallic 2021 GMC Terrain SLEBlue Emerald Metallic 2021 GMC Terrain SLEBlue Emerald Metallic 2021 GMC Terrain SLEBlue Emerald Metallic 2021 GMC Terrain SLEBlue Emerald Metallic 2021 GMC Terrain SLE

    $19,202

    $400
    54,315 mi.
    Est. $341/mo

    Hopkins Ford of Elgin

    3.4
    Elgin, IL (34 mi)
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  • Black 2021 GMC Terrain SLEBlack 2021 GMC Terrain SLEBlack 2021 GMC Terrain SLEBlack 2021 GMC Terrain SLEBlack 2021 GMC Terrain SLEBlack 2021 GMC Terrain SLE

    $19,998

    $1K
    42,543 mi.
    Est. $355/mo

    CarMax Asheville

    4.7
    Asheville, NC (516 mi)
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  • Gray 2021 GMC Terrain SLEGray 2021 GMC Terrain SLEGray 2021 GMC Terrain SLEGray 2021 GMC Terrain SLEGray 2021 GMC Terrain SLEGray 2021 GMC Terrain SLE

    $18,795

    $300
    64,046 mi.
    Est. $334/mo

    DriveTime of West Palm

    4.7
    West Palm Beach, FL (1,133 mi)
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  • Summit White 2021 GMC Terrain SLESummit White 2021 GMC Terrain SLESummit White 2021 GMC Terrain SLESummit White 2021 GMC Terrain SLESummit White 2021 GMC Terrain SLESummit White 2021 GMC Terrain SLE

    $20,422

    $1.4K
    53,345 mi.
    Est. $363/mo

    Schumacher Buick GMC Of North Palm Beach

    4.4
    Lake Park, FL (1,126 mi)
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  • White 2021 GMC Terrain SLEWhite 2021 GMC Terrain SLEWhite 2021 GMC Terrain SLEWhite 2021 GMC Terrain SLEWhite 2021 GMC Terrain SLEWhite 2021 GMC Terrain SLE

    $15,874

    49,087 mi.
    Est. $282/mo

    One Way Motors

    4.8
    Burnsville, MN (348 mi)
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  • Summit White 2021 GMC Terrain SLESummit White 2021 GMC Terrain SLESummit White 2021 GMC Terrain SLESummit White 2021 GMC Terrain SLESummit White 2021 GMC Terrain SLESummit White 2021 GMC Terrain SLE

    $17,667

    90,668 mi.
    Est. $314/mo

    Bettenhausen Fiat

    4.4
    Orland Park, IL (23 mi)
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  • Blue Emerald Metallic 2021 GMC Terrain SLEBlue Emerald Metallic 2021 GMC Terrain SLEBlue Emerald Metallic 2021 GMC Terrain SLEBlue Emerald Metallic 2021 GMC Terrain SLEBlue Emerald Metallic 2021 GMC Terrain SLEBlue Emerald Metallic 2021 GMC Terrain SLE

    $19,045

    81,651 mi.
    Est. $338/mo

    Ray Skillman Mitsubishi West

    4.8
    Indianapolis, IN (160 mi)
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  • Summit White 2021 GMC Terrain SLESummit White 2021 GMC Terrain SLESummit White 2021 GMC Terrain SLESummit White 2021 GMC Terrain SLESummit White 2021 GMC Terrain SLESummit White 2021 GMC Terrain SLE

    $20,159

    65,052 mi.
    Est. $358/mo

    Sioux Empire Automotive

    4.9
    Tea, SD (479 mi)
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  • Graphite Gray Metallic 2021 GMC Terrain SLEGraphite Gray Metallic 2021 GMC Terrain SLEGraphite Gray Metallic 2021 GMC Terrain SLEGraphite Gray Metallic 2021 GMC Terrain SLE

    $15,574

    119,300 mi.
    Est. $277/mo

    Moses Factory Outlet-Teays Valley

    4.7
    Hurricane, WV (384 mi)
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GMC Terrain prices by year

Model year Average price Deals
2024 GMC Terrain SLE $23,415 93 Great deals
2023 GMC Terrain SLE $23,851 76 Great deals
2022 GMC Terrain SLE $21,385 51 Great deals
2020 GMC Terrain SLE $17,760 45 Great deals
2019 GMC Terrain SLE $15,754 30 Great deals
2018 GMC Terrain SLE $14,023 26 Great deals

About the 2021 GMC Terrain SLE

Basics

SLE shown.

Seating
5
Door count
4
Drivetrain
Front Wheel Drive
Combined MPG
27
Transmission
9-Speed A/T
Engine
170.0-hp, 1.5-liter, 4 Cylinder Engine (Gasoline Fuel)
Side view of the 2021 GMC Terrain SLE
FAQs

How much does the 2021 GMC Terrain SLE cost?

The 2021 GMC Terrain SLE price depends on several factors, including optional features, mileage, vehicle history and location. The nationwide average price for a 2021 Terrain SLE is $18,724, with pricing starting at $11,445.

What is the MPG of the 2021 GMC Terrain SLE?

The 2021 GMC Terrain SLE offers up to 25 MPG in city driving and 30 MPG on the highway for a combined rating of 27 MPG.

These figures are based on EPA mileage ratings and are for comparison purposes only. The actual mileage will vary depending on the selected vehicle options, driving conditions, driving habits, vehicle maintenance, and other factors.

What are some similar vehicles and competitors of the 2021 GMC Terrain SLE?

The 2021 GMC Terrain SLE compares to and/or competes against the following vehicles:


Is the 2021 GMC Terrain SLE reliable?

The 2021 GMC Terrain has an average reliability rating of 4.7 out of 5 according to Cars.com consumers. Find real-world reliability insights within consumer reviews from 2021 Terrain owners.

Ratings (26 reviews)

88% of drivers recommend this car

Rating breakdown (out of 5):
Comfort
4.7
Interior
4.7
Performance
4.4
Value
4.4
Exterior
4.8
Reliability
4.7
Trims

SLE (2 styles)

Style
FWD 4dr SLE AWD 4dr SLE
Inventory price
Starting at $28,500 Starting at $30,100
Combined MPG
27 26
Engine
170.0-hp, 1.5-liter, 4 Cylinder Engine (Gasoline Fuel) 170.0-hp, 1.5-liter, 4 Cylinder Engine (Gasoline Fuel)
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GMC Terrain trims