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  • Summit White 2018 GMC Terrain SLESummit White 2018 GMC Terrain SLESummit White 2018 GMC Terrain SLESummit White 2018 GMC Terrain SLESummit White 2018 GMC Terrain SLESummit White 2018 GMC Terrain SLE

    $15,995

    111,389 mi.
    Est. $289/mo

    Active Auto Sales Hatboro

    4.8
    Check Availability
    Hatboro, PA (17 mi)
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  • Ebony Twilight Metallic 2018 GMC Terrain DenaliEbony Twilight Metallic 2018 GMC Terrain DenaliEbony Twilight Metallic 2018 GMC Terrain DenaliEbony Twilight Metallic 2018 GMC Terrain DenaliEbony Twilight Metallic 2018 GMC Terrain DenaliEbony Twilight Metallic 2018 GMC Terrain Denali

    $18,720

    87,929 mi.
    Est. $338/mo

    AutoLenders Voorhees

    4.9
    Check Availability
    Voorhees, NJ (27 mi)
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  • Gray 2018 GMC Terrain SLEGray 2018 GMC Terrain SLEGray 2018 GMC Terrain SLEGray 2018 GMC Terrain SLEGray 2018 GMC Terrain SLEGray 2018 GMC Terrain SLE

    $18,998

    36,127 mi.
    Est. $343/mo

    CarMax Turnersville

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    Sicklerville, NJ (28 mi)
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  • Quicksilver Metallic 2018 GMC Terrain SLEQuicksilver Metallic 2018 GMC Terrain SLEQuicksilver Metallic 2018 GMC Terrain SLEQuicksilver Metallic 2018 GMC Terrain SLEQuicksilver Metallic 2018 GMC Terrain SLEQuicksilver Metallic 2018 GMC Terrain SLE

    $19,495

    $200
    85,288 mi.
    Est. $352/mo

    DriveTime of Langhorne

    4.7
    Check Availability
    Langhorne, PA (27 mi)
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  • Gray 2018 GMC Terrain SLEGray 2018 GMC Terrain SLEGray 2018 GMC Terrain SLEGray 2018 GMC Terrain SLEGray 2018 GMC Terrain SLEGray 2018 GMC Terrain SLE

    $8,999

    130,872 mi.
    Est. $163/mo

    American Auto Bristol Inc

    Check Availability
    Bristol, PA (27 mi)
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  • Graphite Gray Metallic 2018 GMC Terrain SLEGraphite Gray Metallic 2018 GMC Terrain SLEGraphite Gray Metallic 2018 GMC Terrain SLEGraphite Gray Metallic 2018 GMC Terrain SLEGraphite Gray Metallic 2018 GMC Terrain SLEGraphite Gray Metallic 2018 GMC Terrain SLE

    $14,500

    105,540 mi.
    Est. $262/mo

    Trend Auto Trader

    Check Availability
    Quakertown, PA (26 mi)
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  • Ebony Twilight Metallic 2018 GMC Terrain SLEEbony Twilight Metallic 2018 GMC Terrain SLEEbony Twilight Metallic 2018 GMC Terrain SLEEbony Twilight Metallic 2018 GMC Terrain SLEEbony Twilight Metallic 2018 GMC Terrain SLEEbony Twilight Metallic 2018 GMC Terrain SLE

    $13,900

    77,026 mi.
    Est. $251/mo

    Burns Buick GMC

    4.7
    Check Availability
    MARLTON, NJ (24 mi)
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  • Summit White 2018 GMC Terrain SLESummit White 2018 GMC Terrain SLESummit White 2018 GMC Terrain SLESummit White 2018 GMC Terrain SLESummit White 2018 GMC Terrain SLESummit White 2018 GMC Terrain SLE

    $14,595

    $393
    79,889 mi.
    Est. $264/mo

    Union Park Honda BMW Buick GMC Volvo Car

    2.4
    Check Availability
    Wilmington, DE (23 mi)
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  • Red Quartz Tintcoat 2018 GMC Terrain SLERed Quartz Tintcoat 2018 GMC Terrain SLERed Quartz Tintcoat 2018 GMC Terrain SLERed Quartz Tintcoat 2018 GMC Terrain SLERed Quartz Tintcoat 2018 GMC Terrain SLERed Quartz Tintcoat 2018 GMC Terrain SLE

    $10,485

    171,939 mi.
    Est. $189/mo

    Granite Run Buick GMC

    4.1
    Check Availability
    Media, PA (10 mi)
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  • Not Priced

    83,147 mi.

    Kia of West Chester

    3.8
    Check Availability
    West Chester, PA (14 mi)
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  • White 2018 GMC Terrain SLEWhite 2018 GMC Terrain SLEWhite 2018 GMC Terrain SLEWhite 2018 GMC Terrain SLEWhite 2018 GMC Terrain SLEWhite 2018 GMC Terrain SLE

    $18,998

    55,577 mi.
    Est. $343/mo

    CarMax Columbia

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    $249 delivery to King of Prussia, PA (4 mi)
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  • Summit White 2018 GMC Terrain SLESummit White 2018 GMC Terrain SLESummit White 2018 GMC Terrain SLESummit White 2018 GMC Terrain SLESummit White 2018 GMC Terrain SLESummit White 2018 GMC Terrain SLE

    $13,995

    84,284 mi.
    Est. $253/mo

    Bob Johnson Used

    4.0
    Check Availability
    $399 delivery from Rochester, NY (241 mi)
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  • Black 2018 GMC Terrain SLEBlack 2018 GMC Terrain SLEBlack 2018 GMC Terrain SLEBlack 2018 GMC Terrain SLEBlack 2018 GMC Terrain SLEBlack 2018 GMC Terrain SLE

    $13,900

    78,000 mi.
    Est. $251/mo

    Alberts Auto Sales

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    Reading, PA (36 mi)
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  • White 2018 GMC Terrain SLTWhite 2018 GMC Terrain SLTWhite 2018 GMC Terrain SLTWhite 2018 GMC Terrain SLTWhite 2018 GMC Terrain SLTWhite 2018 GMC Terrain SLT

    $16,495

    53,000 mi.
    Est. $298/mo

    Private seller: Matthew

    Contact Seller
    Bethlehem, PA (44 mi)
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  • $15,990

    99,438 mi.
    Est. $289/mo

    Porter Chevrolet

    4.7
    Check Availability
    Newark, DE (32 mi)
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GMC Terrain prices by year

Model year Average price Deals
2026 GMC Terrain $40,103 4 Good deals
2024 GMC Terrain $26,088 8 Great deals
2023 GMC Terrain $27,242 29 Good deals
2022 GMC Terrain $24,896 7 Good deals
2020 GMC Terrain $20,733 9 Good deals
2015 GMC Terrain $11,715 4 Good deals

About the 2018 GMC Terrain

Basics

SL shown (base trim).

Seating
5
Door count
4
Drivetrain
Front-wheel drive
Combined MPG
28
Transmission
9-Speed A/T
Engine
170.0-hp, 1.5-liter, 4 Cylinder Engine (Gasoline Fuel)
Side view of the 2018 GMC Terrain
FAQs

How much does the 2018 GMC Terrain cost?

The 2018 GMC Terrain price depends on several factors, including the trim level, optional features, mileage, vehicle history and location. The nationwide average price for a 2018 Terrain is $15,125, with pricing starting at $6,500.

What is the MPG of the 2018 GMC Terrain?

The 2018 GMC Terrain offers up to 26 MPG in city driving and 30 MPG on the highway for a combined rating of 28 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 2018 GMC Terrain?

The 2018 GMC Terrain compares to and/or competes against the following vehicles:


Is the 2018 GMC Terrain reliable?

The 2018 GMC Terrain has an average reliability rating of 4.5 out of 5 according to Cars.com consumers. Find real-world reliability insights within consumer reviews from 2018 Terrain owners.

Is the 2018 GMC Terrain a good SUV?

Below are the Cars.com consumer ratings for the 2018 GMC Terrain.

(264 reviews)
Rating breakdown (out of 5):
Comfort
4.6
Interior
4.6
Performance
4.5
Value
4.4
Exterior
4.7
Reliability
4.5
Ratings (264 reviews)

87% of drivers recommend this car

Rating breakdown (out of 5):
Comfort
4.6
Interior
4.6
Performance
4.5
Value
4.4
Exterior
4.7
Reliability
4.5
Trims

Denali (2 styles)

Style
FWD 4dr Denali AWD 4dr Denali
Inventory price
Starting at $37,600 Starting at $39,300
Combined MPG
24 23
Engine
252.0-hp, 2.0-liter, 4 Cylinder Engine (Gasoline Fuel) 252.0-hp, 2.0-liter, 4 Cylinder Engine (Gasoline Fuel)

SL (1 style)

Style
FWD 4dr SL
Inventory price
Starting at $24,995
Combined MPG
28
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 $27,900 Starting at $29,600
Combined MPG
28 26
Engine
170.0-hp, 1.5-liter, 4 Cylinder Engine (Gasoline Fuel) 170.0-hp, 1.5-liter, 4 Cylinder Engine (Gasoline Fuel)

SLE Diesel (2 styles)

Style
FWD 4dr SLE Diesel AWD 4dr SLE Diesel
Inventory price
Starting at $31,600 Starting at $33,400
Combined MPG
32 32
Engine
137.0-hp, 1.6-liter, 4 Cylinder Engine (Diesel Fuel) 137.0-hp, 1.6-liter, 4 Cylinder Engine (Diesel Fuel)

SLT (2 styles)

Style
AWD 4dr SLT FWD 4dr SLT
Inventory price
Starting at $33,100 Starting at $31,400
Combined MPG
26 28
Engine
170.0-hp, 1.5-liter, 4 Cylinder Engine (Gasoline Fuel) 170.0-hp, 1.5-liter, 4 Cylinder Engine (Gasoline Fuel)

SLT Diesel (2 styles)

Style
AWD 4dr SLT Diesel FWD 4dr SLT Diesel
Inventory price
Starting at $36,000 Starting at $34,200
Combined MPG
32 32
Engine
137.0-hp, 1.6-liter, 4 Cylinder Engine (Diesel Fuel) 137.0-hp, 1.6-liter, 4 Cylinder Engine (Diesel Fuel)
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Best match Lowest price Highest price Lowest mileage Highest mileage Nearest location Best deal Newest year Oldest year Newest listed Oldest listed