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  • Gray 2020 GMC Terrain SLTGray 2020 GMC Terrain SLTGray 2020 GMC Terrain SLTGray 2020 GMC Terrain SLTGray 2020 GMC Terrain SLTGray 2020 GMC Terrain SLT

    $18,998

    85,641 mi.
    Est. $351/mo

    CarMax Southwest Freeway

    4.6
    Check Availability
    Houston, TX (3 mi)
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  • Summit White 2020 GMC Terrain SLTSummit White 2020 GMC Terrain SLTSummit White 2020 GMC Terrain SLTSummit White 2020 GMC Terrain SLTSummit White 2020 GMC Terrain SLTSummit White 2020 GMC Terrain SLT

    $18,495

    79,767 mi.
    Est. $341/mo

    River Oaks Chrysler Jeep Dodge RAM

    3.9
    Check Availability
    Houston, TX (4 mi)
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  • Ebony Twilight Metallic 2020 GMC Terrain SLTEbony Twilight Metallic 2020 GMC Terrain SLTEbony Twilight Metallic 2020 GMC Terrain SLTEbony Twilight Metallic 2020 GMC Terrain SLTEbony Twilight Metallic 2020 GMC Terrain SLTEbony Twilight Metallic 2020 GMC Terrain SLT

    $17,497

    $1.3K
    60,843 mi.
    Est. $323/mo

    HGreg.com Houston

    3.5
    Check Availability
    Houston, TX (3 mi)
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  • Gray 2020 GMC Terrain SLEGray 2020 GMC Terrain SLEGray 2020 GMC Terrain SLEGray 2020 GMC Terrain SLEGray 2020 GMC Terrain SLEGray 2020 GMC Terrain SLE

    $19,998

    59,259 mi.
    Est. $369/mo

    CarMax Houston Katy Freeway

    4.6
    Check Availability
    Katy, TX (18 mi)
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  • Blue Emerald Metallic 2020 GMC Terrain SLEBlue Emerald Metallic 2020 GMC Terrain SLEBlue Emerald Metallic 2020 GMC Terrain SLEBlue Emerald Metallic 2020 GMC Terrain SLEBlue Emerald Metallic 2020 GMC Terrain SLEBlue Emerald Metallic 2020 GMC Terrain SLE

    $13,497

    $500
    73,477 mi.
    Est. $249/mo

    HGreg.com Houston

    3.5
    Check Availability
    Houston, TX (3 mi)
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  • Summit White 2020 GMC Terrain SLT

    $14,795

    $200
    115,841 mi.
    Est. $273/mo

    Demontrond Buick GMC

    4.8
    Check Availability
    Houston, TX (19 mi)
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  • White 2020 GMC Terrain SLTWhite 2020 GMC Terrain SLTWhite 2020 GMC Terrain SLTWhite 2020 GMC Terrain SLTWhite 2020 GMC Terrain SLTWhite 2020 GMC Terrain SLT

    $24,998

    25,641 mi.
    Est. $461/mo

    CarMax Garland

    4.5
    Check Availability
    $149 delivery to Houston, TX (3 mi)
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  • White 2020 GMC Terrain SLTWhite 2020 GMC Terrain SLTWhite 2020 GMC Terrain SLTWhite 2020 GMC Terrain SLTWhite 2020 GMC Terrain SLTWhite 2020 GMC Terrain SLT

    $20,998

    56,746 mi.
    Est. $388/mo

    CarMax Austin North

    4.7
    Check Availability
    Free delivery to Houston, TX (3 mi)
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  • Graphite Gray Metallic 2020 GMC Terrain SLEGraphite Gray Metallic 2020 GMC Terrain SLEGraphite Gray Metallic 2020 GMC Terrain SLEGraphite Gray Metallic 2020 GMC Terrain SLEGraphite Gray Metallic 2020 GMC Terrain SLEGraphite Gray Metallic 2020 GMC Terrain SLE

    $19,995

    $562
    33,500 mi.
    Est. $369/mo

    Cavender Cadillac

    4.7
    Check Availability
    San Antonio, TX (173 mi)
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  • Summit White 2020 GMC Terrain SLESummit White 2020 GMC Terrain SLESummit White 2020 GMC Terrain SLESummit White 2020 GMC Terrain SLESummit White 2020 GMC Terrain SLESummit White 2020 GMC Terrain SLE

    $15,699

    $291
    99,619 mi.
    Est. $290/mo

    Toyota of Cedar Park

    4.8
    Check Availability
    Cedar Park, TX (156 mi)
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  • Summit White 2020 GMC Terrain SLESummit White 2020 GMC Terrain SLESummit White 2020 GMC Terrain SLESummit White 2020 GMC Terrain SLESummit White 2020 GMC Terrain SLESummit White 2020 GMC Terrain SLE

    $16,990

    69,899 mi.
    Est. $314/mo

    Pursch Motors Inc

    4.9
    Check Availability
    Pleasanton, TX (192 mi)
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  • White 2020 GMC Terrain SLTWhite 2020 GMC Terrain SLTWhite 2020 GMC Terrain SLTWhite 2020 GMC Terrain SLTWhite 2020 GMC Terrain SLTWhite 2020 GMC Terrain SLT

    $19,895

    80,850 mi.
    Est. $367/mo

    DriveTime of Tyler

    4.6
    Check Availability
    Tyler, TX (181 mi)
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  • Gray 2020 GMC Terrain SLEGray 2020 GMC Terrain SLEGray 2020 GMC Terrain SLEGray 2020 GMC Terrain SLEGray 2020 GMC Terrain SLEGray 2020 GMC Terrain SLE

    $19,998

    $1K
    52,643 mi.
    Est. $369/mo

    CarMax Austin South

    4.3
    Check Availability
    Austin, TX (142 mi)
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  • Gray 2020 GMC Terrain DenaliGray 2020 GMC Terrain DenaliGray 2020 GMC Terrain DenaliGray 2020 GMC Terrain DenaliGray 2020 GMC Terrain DenaliGray 2020 GMC Terrain Denali

    $24,998

    43,785 mi.
    Est. $461/mo

    CarMax Killeen

    4.8
    Check Availability
    Killeen, TX (165 mi)
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  • Steel Metallic 2020 GMC Terrain SLESteel Metallic 2020 GMC Terrain SLESteel Metallic 2020 GMC Terrain SLESteel Metallic 2020 GMC Terrain SLESteel Metallic 2020 GMC Terrain SLESteel Metallic 2020 GMC Terrain SLE

    $17,816

    86,212 mi.
    Est. $329/mo

    Covert Buick GMC Bee Cave

    4.6
    Check Availability
    Austin, TX (158 mi)
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  • Quicksilver Metallic 2020 GMC Terrain DenaliQuicksilver Metallic 2020 GMC Terrain DenaliQuicksilver Metallic 2020 GMC Terrain DenaliQuicksilver Metallic 2020 GMC Terrain DenaliQuicksilver Metallic 2020 GMC Terrain DenaliQuicksilver Metallic 2020 GMC Terrain Denali

    $22,750

    60,035 mi.
    Est. $420/mo

    Cavender Nissan of San Marcos

    3.3
    Check Availability
    San Marcos, TX (151 mi)
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  • Red Quartz Tintcoat 2020 GMC Terrain SLERed Quartz Tintcoat 2020 GMC Terrain SLERed Quartz Tintcoat 2020 GMC Terrain SLERed Quartz Tintcoat 2020 GMC Terrain SLERed Quartz Tintcoat 2020 GMC Terrain SLERed Quartz Tintcoat 2020 GMC Terrain SLE

    $17,977

    75,155 mi.
    Est. $332/mo

    Elder Mitsubishi - Killeen

    4.8
    Check Availability
    Killeen, TX (164 mi)
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  • Blue Emerald Metallic 2020 GMC Terrain SLEBlue Emerald Metallic 2020 GMC Terrain SLEBlue Emerald Metallic 2020 GMC Terrain SLEBlue Emerald Metallic 2020 GMC Terrain SLEBlue Emerald Metallic 2020 GMC Terrain SLEBlue Emerald Metallic 2020 GMC Terrain SLE

    $18,399

    $100
    69,809 mi.
    Est. $340/mo

    Steele Gonzales Chrysler Dodge Jeep Ram

    Check Availability
    Gonzales, TX (122 mi)
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  • WHITE 2020 GMC Terrain SLTWHITE 2020 GMC Terrain SLTWHITE 2020 GMC Terrain SLTWHITE 2020 GMC Terrain SLTWHITE 2020 GMC Terrain SLTWHITE 2020 GMC Terrain SLT

    $8,996

    153,452 mi.
    Est. $166/mo

    South Texas American Auto

    2.4
    Check Availability
    Kirby, TX (177 mi)
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  • $21,997

    41,459 mi.
    Est. $406/mo

    Covert CDJR Bee Cave

    4.3
    Check Availability
    Austin, TX (158 mi)
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GMC Terrain prices by year

Model year Average price Deals
2026 GMC Terrain $34,550
2024 GMC Terrain $22,295 8 Great deals
2023 GMC Terrain $22,920 9 Good deals

About the 2020 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 2020 GMC Terrain
FAQs

How much does the 2020 GMC Terrain cost?

The 2020 GMC Terrain price depends on several factors, including the trim level, optional features, mileage, vehicle history and location. The nationwide average price for a 2020 Terrain is $18,650, with pricing starting at $6,402.

What is the MPG of the 2020 GMC Terrain?

The 2020 GMC Terrain offers up to 26 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 2020 GMC Terrain?

The 2020 GMC Terrain compares to and/or competes against the following vehicles:


Is the 2020 GMC Terrain reliable?

The 2020 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 2020 Terrain owners.

Is the 2020 GMC Terrain a good SUV?

Below are the Cars.com consumer ratings for the 2020 GMC Terrain.

(87 reviews)
Rating breakdown (out of 5):
Comfort
4.7
Interior
4.6
Performance
4.4
Value
4.4
Exterior
4.8
Reliability
4.5
Ratings (87 reviews)

86% of drivers recommend this car

Rating breakdown (out of 5):
Comfort
4.7
Interior
4.6
Performance
4.4
Value
4.4
Exterior
4.8
Reliability
4.5
Trims

Denali (2 styles)

Style
AWD 4dr Denali FWD 4dr Denali
Inventory price
Starting at $39,900 Starting at $38,300
Combined MPG
23 24
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 $25,000
Combined MPG
27
Engine
170.0-hp, 1.5-liter, 4 Cylinder Engine (Gasoline Fuel)

SLE (2 styles)

Style
AWD 4dr SLE FWD 4dr SLE
Inventory price
Starting at $30,000 Starting at $28,400
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)

SLE Diesel (1 style)

Style
FWD 4dr SLE Diesel *Ltd Avail*
Inventory price
Starting at $0
Combined MPG
32
Engine
137.0-hp, 1.6-liter, 4 Cylinder Engine (Diesel Fuel)

SLT (2 styles)

Style
FWD 4dr SLT AWD 4dr SLT
Inventory price
Starting at $31,200 Starting at $32,800
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 Diesel (1 style)

Style
FWD 4dr SLT Diesel *Ltd Avail*
Inventory price
Starting at $0
Combined MPG
32
Engine
137.0-hp, 1.6-liter, 4 Cylinder Engine (Diesel Fuel)
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