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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

    $18,995

    66,942 mi.
    Est. $345/mo

    Freehold Buick GMC

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    Freehold, NJ (23 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

    $15,934

    90,619 mi.
    Est. $290/mo

    Easy Credit of Jersey

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    Newark, NJ (25 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

    $19,553

    34,509 mi.
    Est. $355/mo

    Island Auto Group

    3.8
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    Staten Island, NY (24 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

    $17,959

    71,210 mi.
    Est. $326/mo

    Sansone Rt 1 Auto Mall

    4.9
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    Avenel, NJ (14 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

    $22,850

    10,322 mi.
    Est. $415/mo

    McGuire Buick GMC Little Falls

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    Little Falls, NJ (29 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

    $16,995

    106,470 mi.
    Est. $309/mo

    T&T Coast GMC

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    Cranbury, NJ (18 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

    $19,924

    $910
    53,368 mi.
    Est. $362/mo

    Sawyer Lyons Buick GMC of Randolph

    3.7
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    Randolph, NJ (22 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

    $18,995

    62,943 mi.
    Est. $345/mo

    Auto Haus of Irvington

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    Irvington, NJ (20 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

    Not Priced

    99,882 mi.
    Est. $0/mo

    Signature Pre-Owned

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    Kearny, NJ (25 mi)
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  • Silver 2021 GMC Terrain SLESilver 2021 GMC Terrain SLESilver 2021 GMC Terrain SLESilver 2021 GMC Terrain SLESilver 2021 GMC Terrain SLESilver 2021 GMC Terrain SLE

    $20,998

    38,572 mi.
    Est. $382/mo

    CarMax Warner Robins

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    $699 delivery to Green Brook Township, NJ (5 mi)
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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

    $19,998

    70,792 mi.
    Est. $364/mo

    CarMax Schaumburg

    4.5
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    $549 delivery to Green Brook Township, NJ (5 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

    $17,995

    70,942 mi.
    Est. $327/mo

    Liberty Subaru

    4.9
    Check Availability
    Emerson, NJ (39 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

    $16,935

    74,591 mi.
    Est. $308/mo

    Lester Glenn Honda

    4.9
    Check Availability
    Sea Girt, NJ (38 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

    $17,997

    $500
    65,781 mi.
    Est. $327/mo

    Northway Automotive of Newton 2

    4.4
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    Newton, NJ (35 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

    $19,795

    $200
    50,772 mi.
    Est. $360/mo

    Automotive Avenues

    4.8
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    Wall Township, NJ (32 mi)
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  • Satin Steel Metallic 2021 GMC Terrain SLE

    $19,500

    38,050 mi.
    Est. $354/mo

    Peruzzi Buick GMC

    4.5
    Check Availability
    Fairless Hills, PA (32 mi)
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  • Summit White 2021 GMC Terrain SLE

    $15,495

    $500
    93,284 mi.
    Est. $282/mo

    Cottman Auto Mall

    5.0
    Check Availability
    Philadelphia, PA (45 mi)
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GMC Terrain prices by year

Model year Average price Deals
2026 GMC Terrain $39,715
2024 GMC Terrain $23,682 9 Great deals
2023 GMC Terrain $24,235 15 Good deals
2022 GMC Terrain $21,349 8 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 $18,982, 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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