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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

    116,480 mi.
    Est. $294/mo

    Bexley Motorcar Co.

    4.9
    Check Availability
    Columbus, OH (5 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

    $15,963

    80,299 mi.
    Est. $294/mo

    Auto Palace

    3.9
    Check Availability
    Columbus, OH (8 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

    $19,232

    74,633 mi.
    Est. $354/mo

    Twins Buick GMC

    4.5
    Check Availability
    Columbus, OH (5 mi)
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  • Quicksilver 2021 GMC Terrain SLTQuicksilver 2021 GMC Terrain SLTQuicksilver 2021 GMC Terrain SLTQuicksilver 2021 GMC Terrain SLTQuicksilver 2021 GMC Terrain SLTQuicksilver 2021 GMC Terrain SLT

    $23,245

    $320
    45,720 mi.
    Est. $428/mo

    Platinum Motors LLC

    4.6
    Check Availability
    Heath, OH (29 mi)
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  • Blue 2021 GMC Terrain SLEBlue 2021 GMC Terrain SLEBlue 2021 GMC Terrain SLEBlue 2021 GMC Terrain SLEBlue 2021 GMC Terrain SLEBlue 2021 GMC Terrain SLE

    $18,998

    79,059 mi.
    Est. $350/mo

    CarMax Greensboro

    Check Availability
    $99 delivery to Columbus, OH (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

    $22,995

    50,282 mi.
    Est. $423/mo

    Bob Johnson Used

    4.0
    Check Availability
    $529 delivery from Rochester, NY (353 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

    $15,750

    101,833 mi.
    Est. $290/mo

    Platinum Auto Group

    Check Availability
    Minster, OH (79 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

    $21,482

    51,366 mi.
    Est. $396/mo

    Jeff Wyler Eastgate Chevrolet

    Check Availability
    BATAVIA, OH (92 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

    $16,257

    97,046 mi.
    Est. $299/mo

    Spitzer Buick GMC

    4.7
    Check Availability
    Findlay, OH (81 mi)
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  • Graphite Gray Metallic 2021 GMC Terrain AWD 4dr SLEGraphite Gray Metallic 2021 GMC Terrain AWD 4dr SLEGraphite Gray Metallic 2021 GMC Terrain AWD 4dr SLEGraphite Gray Metallic 2021 GMC Terrain AWD 4dr SLEGraphite Gray Metallic 2021 GMC Terrain AWD 4dr SLEGraphite Gray Metallic 2021 GMC Terrain AWD 4dr SLE

    $23,298

    24,168 mi.
    Est. $429/mo

    SVG Chevrolet

    3.7
    Check Availability
    Greenville, OH (86 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

    $14,600

    100,051 mi.
    Est. $269/mo

    Starrs Used Cars

    Check Availability
    Barnesville, OH (97 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

    $15,495

    $900
    116,955 mi.
    Est. $285/mo

    T & T Auto

    Check Availability
    Saint Marys, OH (83 mi)
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  • $21,398

    72,444 mi.
    Est. $394/mo

    SVG Motors Beavercreek

    3.3
    Check Availability
    Beavercreek, OH (60 mi)
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GMC Terrain prices by year

Model year Average price Deals
2026 GMC Terrain $39,054
2024 GMC Terrain $24,676 6 Good deals
2023 GMC Terrain $24,747 5 Great deals
2022 GMC Terrain $22,935 5 Great deals
2020 GMC Terrain $19,520 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 $19,006, 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.

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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