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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

    $22,995

    50,629 mi.
    Est. $427/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (10 mi)

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  • Ebony Twilight Metallic 2020 GMC Terrain SLEEbony Twilight Metallic 2020 GMC Terrain SLEEbony Twilight Metallic 2020 GMC Terrain SLEEbony Twilight Metallic 2020 GMC Terrain SLEEbony Twilight Metallic 2020 GMC Terrain SLEEbony Twilight Metallic 2020 GMC Terrain SLE

    $13,995

    132,055 mi.
    Est. $260/mo

    Laura Buick GMC

    4.6
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    Collinsville, IL (10 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 SLT

    $19,598

    $200
    64,543 mi.
    Est. $364/mo

    Weber Chevrolet Creve Coeur

    4.9
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    Creve Coeur, MO (19 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

    $15,487

    $200
    111,782 mi.
    Est. $287/mo

    Auffenberg Auto Mall

    4.6
    Check Availability
    Shiloh, IL (12 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

    $14,999

    $889
    124,818 mi.
    Est. $278/mo

    Bommarito Nissan Ballwin

    4.4
    Check Availability
    Ballwin, MO (23 mi)
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  • Ebony Twilight Metallic 2020 GMC Terrain SLEEbony Twilight Metallic 2020 GMC Terrain SLEEbony Twilight Metallic 2020 GMC Terrain SLEEbony Twilight Metallic 2020 GMC Terrain SLEEbony Twilight Metallic 2020 GMC Terrain SLEEbony Twilight Metallic 2020 GMC Terrain SLE

    $15,996

    $524
    90,076 mi.
    Est. $297/mo

    Lou Fusz Ford

    4.6
    Check Availability
    Chesterfield, MO (28 mi)
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  • Graphite Gray Metallic 2020 GMC Terrain SLTGraphite Gray Metallic 2020 GMC Terrain SLTGraphite Gray Metallic 2020 GMC Terrain SLTGraphite Gray Metallic 2020 GMC Terrain SLTGraphite Gray Metallic 2020 GMC Terrain SLTGraphite Gray Metallic 2020 GMC Terrain SLT

    $21,950

    45,602 mi.
    Est. $407/mo

    Dean Team Volkswagen of Kirkwood

    3.6
    Check Availability
    St Louis, MO (15 mi)
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  • Red Quartz Tintcoat 2020 GMC Terrain DenaliRed Quartz Tintcoat 2020 GMC Terrain DenaliRed Quartz Tintcoat 2020 GMC Terrain DenaliRed Quartz Tintcoat 2020 GMC Terrain DenaliRed Quartz Tintcoat 2020 GMC Terrain DenaliRed Quartz Tintcoat 2020 GMC Terrain Denali

    $24,599

    51,838 mi.
    Est. $457/mo

    AutoCenters Nissan

    4.6
    Check Availability
    Herculaneum, MO (28 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

    $18,225

    $1.8K
    87,160 mi.
    Est. $338/mo

    Suntrup Nissan

    4.8
    Check Availability
    St. Louis, MO (13 mi)
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  • Red 2020 GMC Terrain SLTRed 2020 GMC Terrain SLTRed 2020 GMC Terrain SLTRed 2020 GMC Terrain SLTRed 2020 GMC Terrain SLTRed 2020 GMC Terrain SLT

    $25,998

    12,444 mi.
    Est. $482/mo

    CarMax St. Louis South Lindbergh

    Check Availability
    St. Louis, MO (13 mi)
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  • Blue Emerald Metallic 2020 GMC Terrain SLTBlue Emerald Metallic 2020 GMC Terrain SLTBlue Emerald Metallic 2020 GMC Terrain SLTBlue Emerald Metallic 2020 GMC Terrain SLTBlue Emerald Metallic 2020 GMC Terrain SLTBlue Emerald Metallic 2020 GMC Terrain SLT

    $18,974

    76,591 mi.
    Est. $352/mo

    Dave Sinclair Buick GMC

    4.9
    Check Availability
    Saint Louis, MO (14 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

    $21,950

    22,940 mi.
    Est. $407/mo

    Dean Team Volkswagen of Kirkwood

    3.6
    Check Availability
    St Louis, MO (15 mi)
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  • Not Priced

    97,990 mi.
    Est. $0/mo

    Napleton's Mid Rivers Chrysler Jeep Dodge RAM Maserati Alfa Romeo

    3.8
    Check Availability
    St Peters, MO (30 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

    102,622 mi.
    Est. $297/mo

    Laura Buick GMC

    4.6
    Check Availability
    Collinsville, IL (10 mi)

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  • Black 2020 GMC Terrain SLTBlack 2020 GMC Terrain SLTBlack 2020 GMC Terrain SLTBlack 2020 GMC Terrain SLTBlack 2020 GMC Terrain SLTBlack 2020 GMC Terrain SLT

    $20,998

    55,628 mi.
    Est. $390/mo

    CarMax Cleveland East

    Check Availability
    $399 delivery to O'Fallon, IL (11 mi)
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  • Ebony Twilight Metallic 2020 GMC Terrain DenaliEbony Twilight Metallic 2020 GMC Terrain DenaliEbony Twilight Metallic 2020 GMC Terrain DenaliEbony Twilight Metallic 2020 GMC Terrain DenaliEbony Twilight Metallic 2020 GMC Terrain DenaliEbony Twilight Metallic 2020 GMC Terrain Denali

    $22,489

    52,856 mi.
    Est. $417/mo

    Kearns Motor Car Co.

    4.6
    Check Availability
    Free delivery from Johnson Creek, WI (320 mi)
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  • Satin Steel 2020 GMC Terrain SLESatin Steel 2020 GMC Terrain SLESatin Steel 2020 GMC Terrain SLESatin Steel 2020 GMC Terrain SLESatin Steel 2020 GMC Terrain SLESatin Steel 2020 GMC Terrain SLE

    $20,994

    $668
    23,346 mi.
    Est. $390/mo

    Kenny Kent Toyota

    4.8
    Check Availability
    Evansville, IN (150 mi)
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  • Satin Steel Metallic 2020 GMC Terrain DenaliSatin Steel Metallic 2020 GMC Terrain DenaliSatin Steel Metallic 2020 GMC Terrain DenaliSatin Steel Metallic 2020 GMC Terrain DenaliSatin Steel Metallic 2020 GMC Terrain DenaliSatin Steel Metallic 2020 GMC Terrain Denali

    $23,317

    81,211 mi.
    Est. $433/mo

    D-Patrick Ford Lincoln

    4.7
    Check Availability
    Evansville, IN (146 mi)
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  • Pearl White 2020 GMC Terrain DenaliPearl White 2020 GMC Terrain DenaliPearl White 2020 GMC Terrain DenaliPearl White 2020 GMC Terrain DenaliPearl White 2020 GMC Terrain DenaliPearl White 2020 GMC Terrain Denali

    $26,980

    54,815 mi.
    Est. $501/mo

    Hess Auto Agency

    Check Availability
    Quincy, IL (116 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

    $18,497

    $492
    66,093 mi.
    Est. $343/mo

    Jackson Chevrolet GMC

    Check Availability
    Sullivan, IL (107 mi)
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  • Satin Steel Metallic 2020 GMC Terrain DenaliSatin Steel Metallic 2020 GMC Terrain DenaliSatin Steel Metallic 2020 GMC Terrain DenaliSatin Steel Metallic 2020 GMC Terrain DenaliSatin Steel Metallic 2020 GMC Terrain DenaliSatin Steel Metallic 2020 GMC Terrain Denali

    $28,470

    25,207 mi.
    Est. $528/mo

    Tyler Trenary CDJR

    Check Availability
    Pacific, MO (36 mi)
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  • White 2020 GMC Terrain SLEWhite 2020 GMC Terrain SLEWhite 2020 GMC Terrain SLEWhite 2020 GMC Terrain SLEWhite 2020 GMC Terrain SLEWhite 2020 GMC Terrain SLE

    $13,495

    120,928 mi.
    Est. $250/mo

    Auto House of Bloomington

    4.2
    Check Availability
    Bloomington, IL (144 mi)
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  • Ebony Twilight Metallic 2020 GMC Terrain SLEEbony Twilight Metallic 2020 GMC Terrain SLEEbony Twilight Metallic 2020 GMC Terrain SLEEbony Twilight Metallic 2020 GMC Terrain SLEEbony Twilight Metallic 2020 GMC Terrain SLEEbony Twilight Metallic 2020 GMC Terrain SLE

    $15,995

    87,164 mi.
    Est. $297/mo

    G-Inspired Automall, LLC.

    3.3
    Check Availability
    Washington, IL (150 mi)
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  • Satin Steel Metallic 2020 GMC Terrain SLTSatin Steel Metallic 2020 GMC Terrain SLTSatin Steel Metallic 2020 GMC Terrain SLTSatin Steel Metallic 2020 GMC Terrain SLTSatin Steel Metallic 2020 GMC Terrain SLTSatin Steel Metallic 2020 GMC Terrain SLT

    $18,987

    107,710 mi.
    Est. $352/mo

    John Sinclair Nissan

    4.9
    Check Availability
    Cape Girardeau, MO (95 mi)
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  • Summit White 2020 GMC Terrain DenaliSummit White 2020 GMC Terrain DenaliSummit White 2020 GMC Terrain DenaliSummit White 2020 GMC Terrain DenaliSummit White 2020 GMC Terrain DenaliSummit White 2020 GMC Terrain Denali

    $25,300

    $1K
    51,466 mi.
    Est. $470/mo

    Lighthouse Buick GMC

    5.0
    Check Availability
    Morton, IL (145 mi)
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  • Ebony Twilight Metallic 2020 GMC Terrain DenaliEbony Twilight Metallic 2020 GMC Terrain DenaliEbony Twilight Metallic 2020 GMC Terrain DenaliEbony Twilight Metallic 2020 GMC Terrain DenaliEbony Twilight Metallic 2020 GMC Terrain DenaliEbony Twilight Metallic 2020 GMC Terrain Denali

    $25,125

    49,754 mi.
    Est. $466/mo

    Steve Faulkner Chevrolet GMC

    Check Availability
    Princeton, IN (138 mi)
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  • $19,000

    86,323 mi.
    Est. $353/mo

    Seeger Toyota of St. Robert

    4.9
    Check Availability
    Saint Robert, MO (122 mi)
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  • $14,998

    132,707 mi.
    Est. $278/mo

    Sakelaris Ford of Camdenton

    3.2
    Check Availability
    Camdenton, MO (148 mi)
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GMC Terrain prices by year

Model year Average price Deals
2026 GMC Terrain $35,893 4 Good deals
2024 GMC Terrain $27,356 8 Great deals
2023 GMC Terrain $25,237 13 Good deals
2022 GMC Terrain $21,366 11 Good deals
2019 GMC Terrain $15,414 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 $18,670, with pricing starting at $7,299.

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:


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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