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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

    $19,494

    69,890 mi.
    Est. $334/mo

    South Easton Motor Sales

    4.9
    Check Availability
    South Easton, MA (22 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

    $18,720

    $511
    94,820 mi.
    Est. $320/mo

    Nucar Chevrolet of Lowell

    4.6
    Check Availability
    Lowell, MA (28 mi)
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  • Satin Steel Metallic 2020 GMC Terrain SLESatin Steel Metallic 2020 GMC Terrain SLESatin Steel Metallic 2020 GMC Terrain SLESatin Steel Metallic 2020 GMC Terrain SLESatin Steel Metallic 2020 GMC Terrain SLESatin Steel Metallic 2020 GMC Terrain SLE

    $15,799

    125,650 mi.
    Est. $270/mo

    Advanced Auto Sales

    5.0
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    North Attleborough, MA (19 mi)
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  • Quicksilver Metallic 2020 GMC Terrain SLTQuicksilver Metallic 2020 GMC Terrain SLTQuicksilver Metallic 2020 GMC Terrain SLTQuicksilver Metallic 2020 GMC Terrain SLTQuicksilver Metallic 2020 GMC Terrain SLTQuicksilver Metallic 2020 GMC Terrain SLT

    $16,777

    124,022 mi.
    Est. $287/mo

    Icon Mitsubishi Framingham

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    Framingham, MA (4 mi)
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  • Red 2020 GMC Terrain SLERed 2020 GMC Terrain SLERed 2020 GMC Terrain SLERed 2020 GMC Terrain SLERed 2020 GMC Terrain SLERed 2020 GMC Terrain SLE

    $17,900

    103,265 mi.
    Est. $306/mo

    Speed Motors

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    Tewksbury, MA (26 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

    $17,977

    39,330 mi.
    Est. $308/mo

    Auto Excellence Group

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    Saugus, MA (24 mi)
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  • Ebony Twilight Metallic 2020 GMC Terrain SLEEbony Twilight Metallic 2020 GMC Terrain SLE

    $17,599

    73,353 mi.
    Est. $301/mo

    Swanson GMC Truck inc.

    4.4
    Acton, MA (15 mi)
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  • Summit White 2020 GMC Terrain SLT

    $16,890

    103,047 mi.
    Est. $289/mo

    Fazza Motors

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    Marlborough, MA (11 mi)
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  • Ebony Twilight Metallic 2020 GMC Terrain SLT

    $19,785

    81,233 mi.
    Est. $339/mo

    Albrecht Buick GMC of Wakefield

    4.1
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    Wakefield, MA (25 mi)
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  • Black 2020 GMC Terrain SLEBlack 2020 GMC Terrain SLEBlack 2020 GMC Terrain SLEBlack 2020 GMC Terrain SLEBlack 2020 GMC Terrain SLEBlack 2020 GMC Terrain SLE

    $20,998

    59,113 mi.
    Est. $359/mo

    CarMax Waterbury

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    $149 delivery to Norwood, MA (11 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

    $15,998

    105,700 mi.
    Est. $274/mo

    CarMax Potomac Mills

    4.4
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    $299 delivery to Norwood, MA (11 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

    $22,995

    93,549 mi.
    Est. $393/mo

    Auto Gals, Inc.

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    Fall River, MA (41 mi)
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  • Red Quartz Tintcoat 2020 GMC Terrain SLTRed Quartz Tintcoat 2020 GMC Terrain SLTRed Quartz Tintcoat 2020 GMC Terrain SLTRed Quartz Tintcoat 2020 GMC Terrain SLTRed Quartz Tintcoat 2020 GMC Terrain SLTRed Quartz Tintcoat 2020 GMC Terrain SLT

    $20,537

    72,144 mi.
    Est. $351/mo

    Robertsons GMC

    4.7
    Check Availability
    Wareham, MA (48 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

    $15,995

    $1K
    105,005 mi.
    Est. $274/mo

    CarFive - Nashua, NH

    4.5
    Check Availability
    Nashua, NH (41 mi)
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  • $19,595

    70,138 mi.
    Est. $335/mo

    Marty's GMC

    4.7
    Check Availability
    Kingston, MA (39 mi)
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  • $20,687

    76,450 mi.
    Est. $354/mo

    Prestige Auto Mart of Westport

    4.7
    Check Availability
    Westport, MA (45 mi)
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GMC Terrain prices by year

Model year Average price Deals
2026 GMC Terrain $39,295 1 Good deal
2025 GMC Terrain $27,993 7 Good deals
2024 GMC Terrain $27,575 5 Great deals
2023 GMC Terrain $24,532 10 Good deals
2022 GMC Terrain $26,933 7 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 $18,473, with pricing starting at $4,299.

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:


  • GMC Acadia
  • Dodge Grand Caravan
  • Chrysler 200
  • Chevrolet Equinox
  • Chevrolet Blazer
  • Buick Envision

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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