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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

    $21,494

    $300
    62,492 mi.
    Est. $402/mo

    Marino Chrysler Jeep Dodge RAM

    4.9
    Check Availability
    Chicago, IL (10 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

    $22,975

    61,701 mi.
    Est. $430/mo

    Golf Mill Ford

    4.9
    Check Availability
    Niles, IL (4 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

    $18,455

    $530
    76,238 mi.
    Est. $345/mo

    Napleton Ford of Oak Lawn

    4.6
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    Oak Lawn, IL (25 mi)
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  • White 2021 GMC Terrain SLTWhite 2021 GMC Terrain SLTWhite 2021 GMC Terrain SLTWhite 2021 GMC Terrain SLTWhite 2021 GMC Terrain SLTWhite 2021 GMC Terrain SLT

    $19,998

    70,792 mi.
    Est. $374/mo

    CarMax Schaumburg

    4.5
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    Schaumburg, IL (14 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

    $19,000

    82,114 mi.
    Est. $356/mo

    Mike Haggerty Buick GMC

    3.8
    Check Availability
    Oak Lawn, IL (25 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

    $16,955

    77,336 mi.
    Est. $317/mo

    Zeigler Cadillac of Lincolnwood

    4.4
    Check Availability
    Lincolnwood, IL (6 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

    $18,645

    61,093 mi.
    Est. $349/mo

    Autos of Chicago

    4.3
    Check Availability
    Arlington Heights, IL (8 mi)
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  • Quicksilver Metallic 2021 GMC Terrain AWD 4dr SLTQuicksilver Metallic 2021 GMC Terrain AWD 4dr SLTQuicksilver Metallic 2021 GMC Terrain AWD 4dr SLTQuicksilver Metallic 2021 GMC Terrain AWD 4dr SLTQuicksilver Metallic 2021 GMC Terrain AWD 4dr SLTQuicksilver Metallic 2021 GMC Terrain AWD 4dr SLT

    $16,999

    115,145 mi.
    Est. $318/mo

    Your Choice Auto Sales of Elgin

    4.7
    Check Availability
    Elgin, IL (23 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

    $20,175

    $194
    51,051 mi.
    Est. $377/mo

    Haggerty Buick GMC Inc

    5.0
    Check Availability
    Villa Park, IL (18 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. $337/mo

    West Chicago Auto Mall

    3.5
    Check Availability
    West Chicago, IL (15 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

    $19,995

    39,623 mi.
    Est. $374/mo

    Bob Johnson Used

    4.0
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    $788 delivery from Rochester, NY (526 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

    $17,998

    97,195 mi.
    Est. $337/mo

    CarMax Tinley Park

    Check Availability
    Free delivery to Glencoe, IL (4 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

    $20,691

    61,718 mi.
    Est. $387/mo

    Zeigler Hyundai of Racine

    4.6
    Check Availability
    Mt. Pleasant, WI (46 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

    $19,900

    $900
    46,058 mi.
    Est. $372/mo

    Gordie Boucher Ford of Kenosha

    4.7
    Check Availability
    Kenosha, WI (35 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

    $19,990

    75,965 mi.
    Est. $374/mo

    Shaver Preferred Motors

    4.2
    Check Availability
    Merriville, 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

    $17,998

    97,195 mi.
    Est. $337/mo

    CarMax Tinley Park

    Check Availability
    Tinley Park, IL (37 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

    $23,775

    59,619 mi.
    Est. $445/mo

    Circle Buick GMC

    3.5
    Check Availability
    Highland, IN (42 mi)
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  • Satin Steel Metallic 2021 GMC Terrain SLTSatin Steel Metallic 2021 GMC Terrain SLTSatin Steel Metallic 2021 GMC Terrain SLTSatin Steel Metallic 2021 GMC Terrain SLTSatin Steel Metallic 2021 GMC Terrain SLTSatin Steel Metallic 2021 GMC Terrain SLT

    $10,900

    109,185 mi.
    Est. $204/mo

    Luxury Motors Inc.

    Check Availability
    Crestwood, IL (30 mi)
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  • White 2021 GMC Terrain SLTWhite 2021 GMC Terrain SLTWhite 2021 GMC Terrain SLTWhite 2021 GMC Terrain SLTWhite 2021 GMC Terrain SLTWhite 2021 GMC Terrain SLT

    $15,950

    87,730 mi.
    Est. $298/mo

    Chicago Motor Credit

    4.8
    Check Availability
    South Holland, IL (35 mi)
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GMC Terrain prices by year

Model year Average price Deals
2026 GMC Terrain $36,449 5 Great deals
2025 GMC Terrain $28,223 9 Great deals
2024 GMC Terrain $24,946 8 Great deals
2023 GMC Terrain $24,838 20 Good deals
2022 GMC Terrain $22,590 25 Good deals
2020 GMC Terrain $18,624 14 Good deals
2019 GMC Terrain $16,495 8 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 $18,916, with pricing starting at $10,900.

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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