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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

    $20,194

    50,772 mi.
    Est. $367/mo

    Automotive Avenues

    4.8
    Check Availability
    Wall Township, NJ (29 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

    $19,998

    59,608 mi.
    Est. $364/mo

    CarMax Turnersville

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    Sicklerville, NJ (29 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

    $23,700

    37,367 mi.
    Est. $431/mo

    Mount Holly Nissan

    4.6
    Check Availability
    Hainesport, NJ (12 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

    $20,678

    72,735 mi.
    Est. $376/mo

    F.C. Kerbeck & Sons

    4.4
    Check Availability
    Palmyra, NJ (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

    $21,249

    $300
    49,398 mi.
    Est. $386/mo

    CarShop Mt. Holly

    4.8
    Check Availability
    Mount Holly, NJ (13 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

    $23,631

    89,274 mi.
    Est. $430/mo

    Hessert Chevrolet of Cherry Hill

    4.3
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    Cherry Hill Township, NJ (24 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

    $22,995

    35,502 mi.
    Est. $418/mo

    Barlow Buick GMC

    4.8
    Check Availability
    Manahawkin, 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

    $20,358

    31,909 mi.
    Est. $370/mo

    Jim Curley GMC of Lakewood

    5.0
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    Lakewood Township, NJ (20 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

    $17,593

    106,470 mi.
    Est. $320/mo

    T&T Coast GMC

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    Cranbury, NJ (21 mi)
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  • Summit White 2021 GMC Terrain SLE

    $17,750

    80,013 mi.
    Est. $323/mo

    Peruzzi Buick GMC

    4.5
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    Fairless Hills, PA (19 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. $345/mo

    CarMax Greensboro

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    $149 delivery to Langhorne, PA (20 mi)
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  • White 2021 GMC Terrain SLEWhite 2021 GMC Terrain SLEWhite 2021 GMC Terrain SLEWhite 2021 GMC Terrain SLEWhite 2021 GMC Terrain SLEWhite 2021 GMC Terrain SLE

    $20,998

    29,217 mi.
    Est. $382/mo

    CarMax Fredericksburg

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    $99 delivery to Langhorne, PA (20 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

    $25,485

    14,733 mi.
    Est. $463/mo

    Granite Run Buick GMC

    4.1
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    Media, PA (45 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

    $13,719

    117,774 mi.
    Est. $249/mo

    Maserati Englewood Cliffs

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    Englewood Cliffs, NJ (69 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

    $15,650

    103,667 mi.
    Est. $284/mo

    Magic Auto Sales

    4.8
    Check Availability
    Little Ferry, NJ (66 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

    $18,522

    $769
    49,913 mi.
    Est. $337/mo

    Nielsen Chevrolet

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    Dover, NJ (62 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

    $20,095

    $300
    81,052 mi.
    Est. $365/mo

    DriveTime of New Castle

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    New Castle, DE (56 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

    $21,985

    64,437 mi.
    Est. $400/mo

    Sawyer Lyons Buick GMC of Randolph

    3.6
    Check Availability
    Randolph, NJ (59 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

    $16,059

    $200
    71,210 mi.
    Est. $292/mo

    Sansone Rt 1 Auto Mall

    4.9
    Check Availability
    Avenel, NJ (44 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

    $15,999

    107,839 mi.
    Est. $291/mo

    Auto Spot LLC

    4.5
    Check Availability
    Woodridge, NJ (65 mi)
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  • Silver 2021 GMC Terrain SLTSilver 2021 GMC Terrain SLTSilver 2021 GMC Terrain SLTSilver 2021 GMC Terrain SLTSilver 2021 GMC Terrain SLTSilver 2021 GMC Terrain SLT

    $14,499

    120,839 mi.
    Est. $264/mo

    Auto Spot LLC

    4.5
    Check Availability
    Woodridge, NJ (65 mi)
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  • Gray 2021 GMC Terrain SLE

    $19,755

    65,464 mi.
    Est. $359/mo

    Star Auto Mall

    4.4
    Check Availability
    Bethlehem, PA (62 mi)
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GMC Terrain prices by year

Model year Average price Deals
2026 GMC Terrain $38,560 2 Good deals
2024 GMC Terrain $24,572 12 Good deals
2023 GMC Terrain $25,900 7 Great deals
2022 GMC Terrain $23,498 6 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 $18,962, 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.

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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