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  • Summit White 2018 GMC Terrain DenaliSummit White 2018 GMC Terrain DenaliSummit White 2018 GMC Terrain DenaliSummit White 2018 GMC Terrain DenaliSummit White 2018 GMC Terrain DenaliSummit White 2018 GMC Terrain Denali

    $25,000

    2,395 mi.
    Est. $450/mo

    Zimbrick Buick GMC Eastside

    4.8
    Check Availability
    Madison, WI (7 mi)
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  • Graphite Gray Metallic 2018 GMC Terrain DenaliGraphite Gray Metallic 2018 GMC Terrain DenaliGraphite Gray Metallic 2018 GMC Terrain DenaliGraphite Gray Metallic 2018 GMC Terrain DenaliGraphite Gray Metallic 2018 GMC Terrain DenaliGraphite Gray Metallic 2018 GMC Terrain Denali

    $21,000

    39,912 mi.
    Est. $378/mo

    Mountain Top Motor Co

    Check Availability
    $444 delivery from Troy, MO (296 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

    $16,590

    $100
    44,388 mi.
    Est. $298/mo

    Unlimited Motors

    4.5
    Check Availability
    $400 delivery from Westfield, IN (267 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

    $16,486

    107,872 mi.
    Est. $297/mo

    Summit Automotive Chrysler Dodge Jeep RAM

    4.7
    Check Availability
    Fond Du Lac, WI (66 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

    $17,753

    82,402 mi.
    Est. $319/mo

    Kunes Chrysler Dodge Jeep Ram of Platteville

    4.0
    Check Availability
    Platteville, WI (59 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

    $12,453

    $965
    103,987 mi.
    Est. $224/mo

    Russ Darrow West Bend Chrysler Jeep Dodge RAM

    4.2
    Check Availability
    West Bend, WI (64 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

    $13,995

    105,647 mi.
    Est. $252/mo

    Lynch Chrysler Dodge Jeep RAM

    4.4
    Check Availability
    Mukwonago, WI (57 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 DenaliSummit White 2018 GMC Terrain DenaliSummit White 2018 GMC Terrain Denali

    $15,498

    $400
    105,943 mi.
    Est. $279/mo

    Boucher Volkswagen Marketplace of Franklin

    4.7
    Check Availability
    Franklin, WI (69 mi)
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  • Red 2018 GMC Terrain SLERed 2018 GMC Terrain SLERed 2018 GMC Terrain SLERed 2018 GMC Terrain SLERed 2018 GMC Terrain SLERed 2018 GMC Terrain SLE

    $10,889

    $514
    128,301 mi.
    Est. $196/mo

    Lifetime Auto Sales

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    West Bend, WI (62 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

    $11,538

    136,462 mi.
    Est. $208/mo

    Kunes Buick GMC of Greenfield

    4.1
    Check Availability
    Greenfield, WI (68 mi)
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  • Silver 2018 GMC Terrain SLTSilver 2018 GMC Terrain SLTSilver 2018 GMC Terrain SLTSilver 2018 GMC Terrain SLTSilver 2018 GMC Terrain SLTSilver 2018 GMC Terrain SLT

    $16,990

    76,016 mi.
    Est. $306/mo

    Runde Chevrolet

    4.7
    Check Availability
    East Dubuque, IL (75 mi)
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  • Gray 2018 GMC Terrain DenaliGray 2018 GMC Terrain DenaliGray 2018 GMC Terrain DenaliGray 2018 GMC Terrain DenaliGray 2018 GMC Terrain DenaliGray 2018 GMC Terrain Denali

    $17,340

    102,326 mi.
    Est. $312/mo

    Runde Chevrolet

    4.7
    Check Availability
    East Dubuque, IL (75 mi)
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  • White 2018 GMC Terrain DenaliWhite 2018 GMC Terrain DenaliWhite 2018 GMC Terrain DenaliWhite 2018 GMC Terrain DenaliWhite 2018 GMC Terrain DenaliWhite 2018 GMC Terrain Denali

    $18,990

    94,118 mi.
    Est. $342/mo

    Runde Chevrolet

    4.7
    Check Availability
    East Dubuque, IL (75 mi)
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GMC Terrain prices by year

Model year Average price Deals
2026 GMC Terrain $36,767 6 Good deals
2024 GMC Terrain $25,946 8 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 $15,291, with pricing starting at $6,490.

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.

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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