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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

    $11,498

    $500
    134,517 mi.
    Est. $212/mo

    Van Chevrolet

    4.6
    Check Availability
    Scottsdale, AZ (21 mi)

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  • Summit White 2018 GMC Terrain SLTSummit White 2018 GMC Terrain SLTSummit White 2018 GMC Terrain SLTSummit White 2018 GMC Terrain SLTSummit White 2018 GMC Terrain SLTSummit White 2018 GMC Terrain SLT

    $14,036

    $137
    99,128 mi.
    Est. $259/mo

    Arrowhead Cadillac

    3.3
    Check Availability
    Glendale, AZ (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

    $15,999

    73,563 mi.
    Est. $295/mo

    Sands Chevrolet - Surprise

    4.4
    Check Availability
    Surprise, AZ (11 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

    $16,095

    84,224 mi.
    Est. $297/mo

    DriveTime of North Phoenix

    5.0
    Check Availability
    Phoenix, AZ (12 mi)
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  • Quicksilver Metallic 2018 GMC Terrain DenaliQuicksilver Metallic 2018 GMC Terrain DenaliQuicksilver Metallic 2018 GMC Terrain DenaliQuicksilver Metallic 2018 GMC Terrain DenaliQuicksilver Metallic 2018 GMC Terrain DenaliQuicksilver Metallic 2018 GMC Terrain Denali

    $14,696

    $490
    137,752 mi.
    Est. $271/mo

    EchoPark Automotive Phoenix

    4.9
    Check Availability
    Avondale, AZ (9 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

    $15,895

    $100
    103,734 mi.
    Est. $293/mo

    DriveTime of Glendale

    4.6
    Check Availability
    Glendale, AZ (5 mi)
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  • Coppertino Metallic 2018 GMC Terrain SLTCoppertino Metallic 2018 GMC Terrain SLTCoppertino Metallic 2018 GMC Terrain SLTCoppertino Metallic 2018 GMC Terrain SLTCoppertino Metallic 2018 GMC Terrain SLTCoppertino Metallic 2018 GMC Terrain SLT

    $16,990

    68,309 mi.
    Est. $313/mo

    Audi Chandler

    4.9
    Check Availability
    Chandler, AZ (24 mi)
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  • Red Quartz Tintcoat 2018 GMC Terrain SLTRed Quartz Tintcoat 2018 GMC Terrain SLTRed Quartz Tintcoat 2018 GMC Terrain SLTRed Quartz Tintcoat 2018 GMC Terrain SLTRed Quartz Tintcoat 2018 GMC Terrain SLTRed Quartz Tintcoat 2018 GMC Terrain SLT

    $16,799

    57,697 mi.
    Est. $310/mo

    Volvo Cars Arrowhead

    4.8
    Check Availability
    Glendale, AZ (7 mi)
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  • Summit White 2018 GMC Terrain Denali

    $17,031

    91,217 mi.
    Est. $314/mo

    ABC Nissan

    3.1
    Check Availability
    Phoenix, AZ (12 mi)
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  • $11,752

    103,877 mi.
    Est. $217/mo

    Automart Superstore

    Check Availability
    Chandler, AZ (29 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

    $17,998

    62,595 mi.
    Est. $332/mo

    CarMax Fresno

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    $99 delivery to Tolleson, AZ (9 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

    $15,998

    100,714 mi.
    Est. $295/mo

    CarMax San Antonio

    Check Availability
    $599 delivery to Tolleson, AZ (9 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

    $17,500

    81,613 mi.
    Est. $323/mo

    Auto City

    4.5
    Check Availability
    El Cajon, CA (279 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

    $18,995

    $505
    54,441 mi.
    Est. $350/mo

    Quality Chevrolet

    4.5
    Check Availability
    Escondido, CA (283 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

    $15,985

    102,451 mi.
    Est. $295/mo

    Chavez-Jessup GMC

    4.5
    Check Availability
    Indio, CA (234 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

    $15,495

    106,286 mi.
    Est. $286/mo

    DriveTime of Montclair

    5.0
    Check Availability
    Montclair, CA (315 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

    $15,184

    79,050 mi.
    Est. $280/mo

    Audi Pacific

    4.7
    Check Availability
    Torrance, CA (352 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

    $8,484

    201,965 mi.
    Est. $156/mo

    Lithia Nissan of Clovis

    4.5
    Check Availability
    Clovis, CA (479 mi)
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  • Ebony Twilight Metallic 2018 GMC Terrain SLTEbony Twilight Metallic 2018 GMC Terrain SLTEbony Twilight Metallic 2018 GMC Terrain SLTEbony Twilight Metallic 2018 GMC Terrain SLTEbony Twilight Metallic 2018 GMC Terrain SLTEbony Twilight Metallic 2018 GMC Terrain SLT

    $15,911

    78,010 mi.
    Est. $293/mo

    Antelope Valley Chevrolet, Inc.

    4.7
    Check Availability
    Lancaster, CA (347 mi)
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  • Summit White 2018 GMC Terrain DenaliSummit White 2018 GMC Terrain DenaliSummit White 2018 GMC Terrain DenaliSummit White 2018 GMC Terrain Denali

    $14,988

    120,643 mi.
    Est. $276/mo

    Honor GMC

    3.0
    Check Availability
    National City, CA (289 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

    $13,288

    88,021 mi.
    Est. $245/mo

    Costa Mesa GMC

    1.4
    Check Availability
    Costa Mesa, CA (327 mi)
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  • Blue Steel Metallic 2018 GMC Terrain SLEBlue Steel Metallic 2018 GMC Terrain SLEBlue Steel Metallic 2018 GMC Terrain SLEBlue Steel Metallic 2018 GMC Terrain SLEBlue Steel Metallic 2018 GMC Terrain SLEBlue Steel Metallic 2018 GMC Terrain SLE

    $11,990

    119,529 mi.
    Est. $221/mo

    Carin Auto

    2.0
    Check Availability
    Santa Ana, CA (327 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

    $12,999

    114,941 mi.
    Est. $240/mo

    Hanford Auto Sales

    Check Availability
    HANFORD, CA (460 mi)
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  • Red Quartz Tintcoat 2018 GMC Terrain SLTRed Quartz Tintcoat 2018 GMC Terrain SLTRed Quartz Tintcoat 2018 GMC Terrain SLTRed Quartz Tintcoat 2018 GMC Terrain SLTRed Quartz Tintcoat 2018 GMC Terrain SLTRed Quartz Tintcoat 2018 GMC Terrain SLT

    $11,745

    108,607 mi.
    Est. $216/mo

    INFINITI of Albuquerque

    4.0
    Check Availability
    Albuquerque, NM (338 mi)
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GMC Terrain prices by year

Model year Average price Deals
2026 GMC Terrain $36,267 2 Good deals
2024 GMC Terrain $22,490 23 Good deals
2020 GMC Terrain $16,585 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 $15,120, with pricing starting at $4,995.

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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