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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

    $13,720

    156,193 mi.
    Est. $248/mo

    Serra Mazda Brighton

    4.7
    Check Availability
    Brighton, MI (16 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

    $20,898

    53,419 mi.
    Est. $378/mo

    Serra Ford Farmington Hills

    4.7
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    Farmington Hills, MI (7 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

    $19,067

    49,596 mi.
    Est. $345/mo

    Suburban Cadillac of Plymouth

    4.5
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    Plymouth, MI (14 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

    $17,500

    81,171 mi.
    Est. $316/mo

    Suburban Ford of Sterling Heights

    4.6
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    Sterling Heights, MI (23 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

    $22,856

    50,148 mi.
    Est. $413/mo

    Al Serra Auto Plaza

    4.5
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    Grand Blanc Charter Township, MI (29 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

    $18,800

    95,787 mi.
    Est. $340/mo

    Prestige Cadillac

    3.9
    Check Availability
    Warren, MI (24 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

    $14,500

    $495
    38,000 mi.
    Est. $262/mo

    BrokersAndSellers.com

    Check Availability
    Taylor, MI (24 mi)
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  • $17,988

    70,232 mi.
    Est. $325/mo

    Serra Ford Farmington Hills

    4.7
    Check Availability
    Farmington Hills, MI (7 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

    Not Priced

    75,228 mi.
    Est. $0/mo

    Ryan Auto Sales

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    Warren, MI (23 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

    Not Priced

    51,789 mi.
    Est. $0/mo

    Saline Chevrolet

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    Saline, MI (29 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

    $18,445

    61,093 mi.
    Est. $333/mo

    Autos of Chicago

    4.3
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    $231 delivery from Arlington Heights, IL (232 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

    50,418 mi.
    Est. $416/mo

    Bob Johnson Used

    4.0
    Check Availability
    $452 delivery from Rochester, NY (302 mi)
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  • Ebony Twilight Metallic 2021 GMC Terrain DenaliEbony Twilight Metallic 2021 GMC Terrain DenaliEbony Twilight Metallic 2021 GMC Terrain DenaliEbony Twilight Metallic 2021 GMC Terrain DenaliEbony Twilight Metallic 2021 GMC Terrain DenaliEbony Twilight Metallic 2021 GMC Terrain Denali

    $27,900

    $466
    45,261 mi.
    Est. $504/mo

    Lunghamer Ford of Owosso

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    Owosso, MI (46 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

    $200
    118,891 mi.
    Est. $266/mo

    Graff Chevrolet Sandusky

    5.0
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    Sandusky, MI (68 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

    $14,995

    81,940 mi.
    Est. $271/mo

    Showcase Auto Sales LLC

    2.4
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    Chesaning, MI (57 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

    $16,900

    $1K
    112,475 mi.
    Est. $305/mo

    Sundance Chevrolet

    4.6
    Check Availability
    Grand Ledge, MI (65 mi)
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  • Quicksilver Metallic 2021 GMC Terrain SLE

    $18,900

    65,205 mi.
    Est. $342/mo

    Sundance Chevrolet

    4.6
    Check Availability
    Grand Ledge, MI (65 mi)
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  • Not Priced

    0 mi.
    Est. $0/mo

    Bell Wasik Buick GMC

    Check Availability
    Caro, MI (65 mi)
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GMC Terrain prices by year

Model year Average price Deals
2026 GMC Terrain $37,092 3 Good deals
2025 GMC Terrain $32,998
2024 GMC Terrain $25,809 31 Good deals
2023 GMC Terrain $24,214 19 Great deals
2022 GMC Terrain $22,088 6 Good deals
2020 GMC Terrain $17,368 6 Great deals
2019 GMC Terrain $16,326 5 Great deals
2018 GMC Terrain $14,445 9 Great 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 $19,142, with pricing starting at $10,372.

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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