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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

    $12,844

    98,734 mi.
    Est. $239/mo

    Carizona

    4.8
    Check Availability
    Mesa, AZ (30 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

    $19,589

    82,779 mi.
    Est. $365/mo

    Sands Chevrolet - Glendale

    4.7
    Check Availability
    Glendale, AZ (10 mi)
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  • Ebony Twilight Metallic 2020 GMC Terrain SLEbony Twilight Metallic 2020 GMC Terrain SLEbony Twilight Metallic 2020 GMC Terrain SLEbony Twilight Metallic 2020 GMC Terrain SLEbony Twilight Metallic 2020 GMC Terrain SLEbony Twilight Metallic 2020 GMC Terrain SL

    $17,576

    64,920 mi.
    Est. $328/mo

    AutoNation Toyota Tempe

    4.7
    Check Availability
    Tempe, AZ (27 mi)
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  • White 2020 GMC Terrain DenaliWhite 2020 GMC Terrain DenaliWhite 2020 GMC Terrain DenaliWhite 2020 GMC Terrain DenaliWhite 2020 GMC Terrain DenaliWhite 2020 GMC Terrain Denali

    $21,999

    98,760 mi.
    Est. $410/mo

    JBA Motors, LLC

    Check Availability
    Mesa, AZ (30 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

    $20,272

    $620
    71,208 mi.
    Est. $378/mo

    Bill Luke Tempe

    4.3
    Check Availability
    Tempe, AZ (27 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

    $16,831

    $889
    69,213 mi.
    Est. $314/mo

    Ken Garff Kia Bell Road

    3.3
    Check Availability
    Phoenix, AZ (18 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

    $20,878

    81,832 mi.
    Est. $389/mo

    Liberty GMC

    4.5
    Check Availability
    Peoria, AZ (6 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

    $18,900

    64,000 mi.
    Est. $352/mo

    Yates Buick GMC

    3.3
    Check Availability
    Goodyear, AZ (10 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

    $20,900

    75,749 mi.
    Est. $389/mo

    Yates Buick GMC

    3.3
    Check Availability
    Goodyear, AZ (10 mi)
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  • Quicksilver Metallic 2020 GMC Terrain SLE

    $12,156

    140,729 mi.
    Est. $227/mo

    AutoNation USA Phoenix

    4.2
    Check Availability
    Phoenix, AZ (13 mi)
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  • Silver 2020 GMC Terrain SLTSilver 2020 GMC Terrain SLTSilver 2020 GMC Terrain SLTSilver 2020 GMC Terrain SLTSilver 2020 GMC Terrain SLTSilver 2020 GMC Terrain SLT

    $18,998

    54,525 mi.
    Est. $354/mo

    CarMax Pleasant Hill

    4.0
    Check Availability
    $249 delivery to Tolleson, AZ (10 mi)
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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

    $22,998

    16,231 mi.
    Est. $429/mo

    CarMax Oxnard

    4.5
    Check Availability
    $149 delivery to Tolleson, AZ (10 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

    $17,794

    87,231 mi.
    Est. $332/mo

    AutoNation Nissan Chandler

    4.5
    Check Availability
    Chandler, AZ (38 mi)
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  • White Frost Tricoat 2020 GMC Terrain DenaliWhite Frost Tricoat 2020 GMC Terrain DenaliWhite Frost Tricoat 2020 GMC Terrain DenaliWhite Frost Tricoat 2020 GMC Terrain DenaliWhite Frost Tricoat 2020 GMC Terrain DenaliWhite Frost Tricoat 2020 GMC Terrain Denali

    $23,465

    $3.5K
    59,737 mi.
    Est. $437/mo

    Watson Chevrolet

    4.3
    Check Availability
    Tucson, AZ (120 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

    $15,886

    122,767 mi.
    Est. $296/mo

    Quebedeaux Buick GMC

    4.5
    Check Availability
    Tucson, AZ (125 mi)
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  • $16,290

    95,175 mi.
    Est. $304/mo

    Honda of Superstition Springs

    4.3
    Check Availability
    Mesa, AZ (39 mi)
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GMC Terrain prices by year

Model year Average price Deals
2026 GMC Terrain $36,651 4 Good deals
2024 GMC Terrain $22,686 21 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 $18,498, with pricing starting at $5,990.

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.

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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