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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

    $18,990

    54,309 mi.
    Est. $356/mo

    Hopkins Ford of Elgin

    3.5
    Check Availability
    Elgin, IL (7 mi)

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  • Ebony Twilight Metallic 2021 GMC Terrain SLTEbony Twilight Metallic 2021 GMC Terrain SLTEbony Twilight Metallic 2021 GMC Terrain SLTEbony Twilight Metallic 2021 GMC Terrain SLTEbony Twilight Metallic 2021 GMC Terrain SLTEbony Twilight Metallic 2021 GMC Terrain SLT

    $20,071

    $300
    62,492 mi.
    Est. $376/mo

    Marino Chrysler Jeep Dodge RAM

    4.9
    Check Availability
    Chicago, IL (20 mi)

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  • Ebony Twilight Metallic 2021 GMC Terrain SLTEbony Twilight Metallic 2021 GMC Terrain SLTEbony Twilight Metallic 2021 GMC Terrain SLTEbony Twilight Metallic 2021 GMC Terrain SLTEbony Twilight Metallic 2021 GMC Terrain SLTEbony Twilight Metallic 2021 GMC Terrain SLT

    $18,445

    61,093 mi.
    Est. $346/mo

    Autos of Chicago

    4.3
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    Arlington Heights, IL (13 mi)
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  • Graphite Gray Metallic 2021 GMC Terrain SLTGraphite Gray Metallic 2021 GMC Terrain SLTGraphite Gray Metallic 2021 GMC Terrain SLTGraphite Gray Metallic 2021 GMC Terrain SLTGraphite Gray Metallic 2021 GMC Terrain SLTGraphite Gray Metallic 2021 GMC Terrain SLT

    $20,532

    51,051 mi.
    Est. $385/mo

    Haggerty Buick GMC Inc

    5.0
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    Villa Park, IL (12 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

    $22,710

    35,488 mi.
    Est. $426/mo

    Castle Kia McHenry

    3.8
    Check Availability
    McHenry, IL (25 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

    $17,999

    54,127 mi.
    Est. $338/mo

    West Chicago Auto Mall

    3.6
    Check Availability
    West Chicago, IL (27 mi)
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  • Quicksilver Metallic 2021 GMC Terrain SLTQuicksilver Metallic 2021 GMC Terrain SLTQuicksilver Metallic 2021 GMC Terrain SLTQuicksilver Metallic 2021 GMC Terrain SLTQuicksilver Metallic 2021 GMC Terrain SLTQuicksilver Metallic 2021 GMC Terrain SLT

    $13,999

    $3K
    115,145 mi.
    Est. $263/mo

    Your Choice Auto Sales of Elgin

    4.7
    Check Availability
    Elgin, IL (8 mi)
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  • Graphite Gray Metallic 2021 GMC Terrain SLTGraphite Gray Metallic 2021 GMC Terrain SLTGraphite Gray Metallic 2021 GMC Terrain SLTGraphite Gray Metallic 2021 GMC Terrain SLTGraphite Gray Metallic 2021 GMC Terrain SLTGraphite Gray Metallic 2021 GMC Terrain SLT

    $20,626

    55,830 mi.
    Est. $387/mo

    CarWise Gurnee

    4.4
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    Gurnee, IL (30 mi)
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  • Summit White 2021 GMC Terrain SLT

    $19,217

    85,181 mi.
    Est. $360/mo

    Elgin Chrysler Dodge Jeep Ram

    4.3
    Check Availability
    Streamwood, IL (5 mi)
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  • $17,500

    87,727 mi.
    Est. $328/mo

    D'Arcy Buick GMC

    4.4
    Check Availability
    Joliet, IL (29 mi)
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  • Summit White 2021 GMC Terrain SLTSummit White 2021 GMC Terrain SLTSummit White 2021 GMC Terrain SLTSummit White 2021 GMC Terrain SLTSummit White 2021 GMC Terrain SLTSummit White 2021 GMC Terrain SLT

    $20,649

    63,080 mi.
    Est. $387/mo

    Jim Butler Centralia

    3.8
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    Free delivery from Centralia, MO (284 mi)
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  • Black 2021 GMC Terrain SLTBlack 2021 GMC Terrain SLTBlack 2021 GMC Terrain SLTBlack 2021 GMC Terrain SLTBlack 2021 GMC Terrain SLTBlack 2021 GMC Terrain SLT

    $19,998

    59,608 mi.
    Est. $375/mo

    CarMax Turnersville

    Check Availability
    $649 delivery to Schaumburg, IL (7 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

    $20,490

    $500
    63,373 mi.
    Est. $384/mo

    Lynch Ford of Mukwonago

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    Mukwonago, WI (62 mi)
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  • Quicksilver Metallic 2021 GMC Terrain SLTQuicksilver Metallic 2021 GMC Terrain SLTQuicksilver Metallic 2021 GMC Terrain SLTQuicksilver Metallic 2021 GMC Terrain SLTQuicksilver Metallic 2021 GMC Terrain SLTQuicksilver Metallic 2021 GMC Terrain SLT

    $20,299

    50,505 mi.
    Est. $381/mo

    Burtness Chevrolet

    4.8
    Check Availability
    Orfordville, WI (74 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

    $22,226

    59,819 mi.
    Est. $417/mo

    Circle Buick GMC

    3.4
    Check Availability
    Highland, IN (47 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

    $13,190

    125,484 mi.
    Est. $247/mo

    Millennium Motor Sales

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    Milwaukee, WI (72 mi)
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GMC Terrain prices by year

Model year Average price Deals
2026 GMC Terrain $37,834 10 Good deals
2024 GMC Terrain $26,532 24 Good deals
2023 GMC Terrain $25,228 22 Good deals
2022 GMC Terrain $21,786 10 Great deals
2020 GMC Terrain $18,817 8 Good deals
2019 GMC Terrain $16,404 5 Great deals
2018 GMC Terrain $15,154 9 Good deals

About the 2021 GMC Terrain

Basics

SL shown (base trim).

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
FAQs

How much does the 2021 GMC Terrain cost?

The 2021 GMC Terrain price depends on several factors, including the trim level, optional features, mileage, vehicle history and location. The nationwide average price for a 2021 Terrain is $18,962, with pricing starting at $7,998.

What is the MPG of the 2021 GMC Terrain?

The 2021 GMC Terrain 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 trim, driving conditions, driving habits, vehicle maintenance, and other factors.

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

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


Is the 2021 GMC Terrain 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.

Is the 2021 GMC Terrain a good SUV?

Below are the Cars.com consumer ratings for the 2021 GMC Terrain.

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

Denali (2 styles)

Style
FWD 4dr Denali AWD 4dr Denali
Inventory price
Starting at $35,900 Starting at $37,500
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)

SL (1 style)

Style
FWD 4dr SL
Inventory price
Starting at $25,000
Combined MPG
27
Engine
170.0-hp, 1.5-liter, 4 Cylinder Engine (Gasoline Fuel)

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)

SLT (2 styles)

Style
AWD 4dr SLT FWD 4dr SLT
Inventory price
Starting at $34,200 Starting at $32,600
Combined MPG
26 27
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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