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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

    $16,469

    $430
    73,548 mi.
    Est. $303/mo

    Honda of Cleveland Heights

    4.7
    Check Availability
    Cleveland Heights, OH (7 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

    $19,900

    68,862 mi.
    Est. $366/mo

    Junction Auto Family - Chrysler Jeep Dodge Ram Buick GMC

    4.9
    Check Availability
    Chardon, OH (26 mi)
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  • Red Quartz Tintcoat 2021 GMC Terrain SLERed Quartz Tintcoat 2021 GMC Terrain SLERed Quartz Tintcoat 2021 GMC Terrain SLERed Quartz Tintcoat 2021 GMC Terrain SLERed Quartz Tintcoat 2021 GMC Terrain SLERed Quartz Tintcoat 2021 GMC Terrain SLE

    $20,900

    62,894 mi.
    Est. $385/mo

    Nick Abraham Auto Mall

    4.1
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    Elyria, OH (22 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

    $25,494

    $244
    38,045 mi.
    Est. $469/mo

    Brunswick Auto Mart

    4.7
    Check Availability
    Brunswick, OH (18 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

    $15,772

    101,683 mi.
    Est. $290/mo

    Joyce Buick GMC

    4.6
    Check Availability
    Avon, OH (19 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

    $19,993

    27,703 mi.
    Est. $368/mo

    North Coast Mitsubishi Bedford

    4.6
    Check Availability
    Bedford, OH (10 mi)
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  • Gray 2021 GMC Terrain SLTGray 2021 GMC Terrain SLTGray 2021 GMC Terrain SLTGray 2021 GMC Terrain SLTGray 2021 GMC Terrain SLTGray 2021 GMC Terrain SLT

    $21,500

    57,778 mi.
    Est. $396/mo

    Classic Buick GMC Painesville

    4.7
    Check Availability
    Painesville, OH (26 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

    $20,295

    57,576 mi.
    Est. $374/mo

    Serpentini Chevrolet Tallmadge

    3.8
    Check Availability
    Tallmadge, OH (29 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. $331/mo

    CarMax Tinley Park

    Check Availability
    $99 delivery to Warrensville Heights, OH (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

    $18,945

    61,093 mi.
    Est. $349/mo

    Autos of Chicago

    4.3
    Check Availability
    $326 delivery from Arlington Heights, IL (327 mi)
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  • Blue Emerald Metallic 2021 GMC Terrain SLTBlue Emerald Metallic 2021 GMC Terrain SLTBlue Emerald Metallic 2021 GMC Terrain SLTBlue Emerald Metallic 2021 GMC Terrain SLTBlue Emerald Metallic 2021 GMC Terrain SLTBlue Emerald Metallic 2021 GMC Terrain SLT

    $15,900

    108,847 mi.
    Est. $293/mo

    Sarchione Chevrolet of Randolph

    4.2
    Check Availability
    Randolph, OH (39 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

    $18,997

    58,517 mi.
    Est. $350/mo

    Classic Chevrolet Buick GMC

    4.6
    Check Availability
    Madison, OH (39 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

    $14,800

    $100
    102,425 mi.
    Est. $273/mo

    Sarchione Ford Randolph

    Check Availability
    Randolph, OH (39 mi)
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GMC Terrain prices by year

Model year Average price Deals
2026 GMC Terrain $39,454 1 Good deal
2024 GMC Terrain $26,239 12 Good deals
2023 GMC Terrain $24,892 5 Great deals
2022 GMC Terrain $21,742 5 Great deals
2020 GMC Terrain $18,140 12 Good deals
2018 GMC Terrain $15,019 5 Great deals
2017 GMC Terrain $10,892 10 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 $18,639, 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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