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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

    $18,945

    59,502 mi.
    Est. $342/mo

    Ed Rinke Chevrolet-Buick-GMC Co.

    4.7
    Check Availability
    Center Line, MI (9 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

    $18,194

    44,409 mi.
    Est. $329/mo

    Fox Subaru Macomb

    3.8
    Check Availability
    Macomb, MI (18 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

    $15,423

    122,755 mi.
    Est. $279/mo

    Serra Buick GMC Rochester Hills

    4.7
    Check Availability
    Rochester Hills, MI (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

    $19,895

    47,000 mi.
    Est. $360/mo

    Dorian Ford Inc

    4.6
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    Charter Twp of Clinton, MI (13 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 SLEGraphite Gray Metallic 2021 GMC Terrain SLEGraphite Gray Metallic 2021 GMC Terrain SLE

    $17,695

    $100
    77,256 mi.
    Est. $320/mo

    Suburban Buick GMC of Troy

    4.1
    Check Availability
    Troy, MI (18 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

    $17,994

    50,645 mi.
    Est. $325/mo

    Serra Buick GMC Cadillac Kia

    4.8
    Check Availability
    Washington, MI (28 mi)
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  • White Frost Tricoat 2021 GMC Terrain SLTWhite Frost Tricoat 2021 GMC Terrain SLTWhite Frost Tricoat 2021 GMC Terrain SLTWhite Frost Tricoat 2021 GMC Terrain SLTWhite Frost Tricoat 2021 GMC Terrain SLTWhite Frost Tricoat 2021 GMC Terrain SLT

    $15,987

    $445
    97,760 mi.
    Est. $289/mo

    Serra Buick GMC Cadillac Kia

    4.8
    Check Availability
    Washington, MI (28 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. $337/mo

    Autos of Chicago

    4.3
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    $259 delivery from Arlington Heights, IL (259 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

    $17,919

    $241
    61,509 mi.
    Est. $324/mo

    Byers Ford

    4.8
    Check Availability
    $399 delivery from Delaware, OH (146 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

    $16,573

    $388
    92,971 mi.
    Est. $299/mo

    Perrysburg Automall

    4.6
    Check Availability
    Perrysburg, OH (69 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

    $18,000

    $1.5K
    96,749 mi.
    Est. $325/mo

    Shea Buick GMC

    4.3
    Check Availability
    Flint, MI (61 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

    $17,995

    92,938 mi.
    Est. $325/mo

    Yark Ford

    4.8
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    Toledo, OH (63 mi)
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  • Red Quartz Tintcoat 2021 GMC Terrain SLTRed Quartz Tintcoat 2021 GMC Terrain SLTRed Quartz Tintcoat 2021 GMC Terrain SLTRed Quartz Tintcoat 2021 GMC Terrain SLTRed Quartz Tintcoat 2021 GMC Terrain SLTRed Quartz Tintcoat 2021 GMC Terrain SLT

    $19,000

    $200
    73,591 mi.
    Est. $343/mo

    Shea Buick GMC

    4.3
    Check Availability
    Flint, MI (61 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

    $16,300

    99,996 mi.
    Est. $295/mo

    Shea Buick GMC

    4.3
    Check Availability
    Flint, MI (61 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

    $18,761

    $200
    63,467 mi.
    Est. $339/mo

    Perrysburg Automall

    4.6
    Check Availability
    Perrysburg, OH (69 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

    $14,700

    $100
    131,696 mi.
    Est. $266/mo

    Allen Of Toledo Used Cars

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    Toledo, OH (63 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

    $19,735

    30,743 mi.
    Est. $357/mo

    Applegate Chevrolet Company

    Check Availability
    Flint, MI (57 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 SLEGraphite Gray Metallic 2021 GMC Terrain SLEGraphite Gray Metallic 2021 GMC Terrain SLE

    $17,288

    95,783 mi.
    Est. $312/mo

    LaFontaine Chrysler Jeep Dodge RAM Fenton

    4.2
    Check Availability
    Fenton, MI (51 mi)
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  • $14,900

    118,891 mi.
    Est. $269/mo

    Graff Chevrolet Sandusky

    Check Availability
    Sandusky, MI (72 mi)
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  • $17,999

    80,622 mi.
    Est. $325/mo

    Al Serra Auto Plaza

    4.5
    Check Availability
    Grand Blanc Charter Township, MI (54 mi)
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  • Ebony Twilight Metallic 2021 GMC Terrain SLE

    $18,333

    76,074 mi.
    Est. $331/mo

    Bowman Chevrolet of Clinton

    Check Availability
    Clinton, MI (58 mi)
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GMC Terrain prices by year

Model year Average price Deals
2026 GMC Terrain $36,494 1 Good deal
2025 GMC Terrain $33,706
2024 GMC Terrain $24,533 11 Good deals
2023 GMC Terrain $24,091 45 Good deals
2022 GMC Terrain $22,671 11 Good deals
2020 GMC Terrain $17,266 11 Good deals
2019 GMC Terrain $15,435 10 Good deals
2018 GMC Terrain $13,933 6 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 $18,949, 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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