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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

    $19,997

    75,971 mi.
    Est. $361/mo

    Hank Graff Chevrolet

    4.7
    Check Availability
    Davison, MI (22 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 (21 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

    73,591 mi.
    Est. $343/mo

    Shea Buick GMC

    4.3
    Check Availability
    Flint, MI (19 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 (19 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

    Not Priced

    95,006 mi.
    Est. $0/mo

    Bell Wasik Buick GMC

    3.6
    Check Availability
    Caro, MI (26 mi)
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  • Not Priced

    0 mi.
    Est. $0/mo

    Bell Wasik Buick GMC

    3.6
    Check Availability
    Caro, MI (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 SLT

    $13,777

    147,042 mi.
    Est. $249/mo

    St. Charles Hyundai

    Check Availability
    $100 delivery from St. Peters, MO (470 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. $342/mo

    Autos of Chicago

    4.3
    Check Availability
    $226 delivery from Arlington Heights, IL (227 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

    $17,442

    89,084 mi.
    Est. $315/mo

    Richardson Buick GMC - Midland

    4.8
    Check Availability
    Midland, MI (35 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

    $14,900

    118,891 mi.
    Est. $269/mo

    Graff Chevrolet Sandusky

    Check Availability
    Sandusky, MI (49 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

    $19,995

    47,257 mi.
    Est. $361/mo

    Miller Auto Sales

    Check Availability
    St Louis, MI (44 mi)
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  • Graphite Gray Metallic 2021 GMC Terrain SLE

    $15,900

    101,076 mi.
    Est. $287/mo

    Sundance GMC

    3.9
    Check Availability
    St Johns, MI (41 mi)
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GMC Terrain prices by year

Model year Average price Deals
2026 GMC Terrain $36,922 1 Good deal
2023 GMC Terrain $23,824 6 Great deals
2019 GMC Terrain $15,280 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 $18,752, 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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