Skip to main content
Best match Lowest price Highest price Lowest mileage Highest mileage Nearest location Best deal Newest year Oldest year Newest listed Oldest listed
Skip to Filters
  • Quicksilver Metallic 2020 GMC Terrain SLEQuicksilver Metallic 2020 GMC Terrain SLEQuicksilver Metallic 2020 GMC Terrain SLEQuicksilver Metallic 2020 GMC Terrain SLEQuicksilver Metallic 2020 GMC Terrain SLEQuicksilver Metallic 2020 GMC Terrain SLE

    $20,528

    40,000 mi.
    Est. $382/mo

    Liberty Buick

    4.8
    Check Availability
    Peoria, AZ (11 mi)
    Quick view
  • 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

    $17,799

    82,055 mi.
    Est. $331/mo

    CardinaleWay Mazda Peoria

    4.6
    Check Availability
    Peoria, AZ (10 mi)
    Quick view
  • 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

    $20,991

    99,154 mi.
    Est. $390/mo

    Scottsdale Mitsubishi

    3.9
    Check Availability
    Scottsdale, AZ (14 mi)
    Quick view
  • 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

    $14,255

    98,734 mi.
    Est. $265/mo

    Carizona

    3.6
    Check Availability
    Mesa, AZ (17 mi)
    Quick view
  • 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

    $17,999

    91,463 mi.
    Est. $335/mo

    Liberty Buick

    4.8
    Check Availability
    Peoria, AZ (11 mi)
    Quick view
  • 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

    $19,998

    48,624 mi.
    Est. $372/mo

    CarMax Phoenix-West Valley

    4.6
    Check Availability
    Tolleson, AZ (13 mi)
    Quick view
  • Quicksilver Metallic 2020 GMC Terrain SLEQuicksilver Metallic 2020 GMC Terrain SLEQuicksilver Metallic 2020 GMC Terrain SLEQuicksilver Metallic 2020 GMC Terrain SLEQuicksilver Metallic 2020 GMC Terrain SLEQuicksilver Metallic 2020 GMC Terrain SLE

    $16,273

    $300
    82,577 mi.
    Est. $303/mo

    Bill Luke Chrysler Jeep Dodge RAM

    3.7
    Check Availability
    Phoenix, AZ (4 mi)
    Quick view
  • Ebony 2020 GMC Terrain SLTEbony 2020 GMC Terrain SLTEbony 2020 GMC Terrain SLTEbony 2020 GMC Terrain SLTEbony 2020 GMC Terrain SLTEbony 2020 GMC Terrain SLT

    $18,777

    92,403 mi.
    Est. $349/mo

    Sullivan Motor Company Inc.

    3.4
    Check Availability
    Mesa, AZ (18 mi)
    Quick view
  • 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 SLE

    $16,688

    $1.5K
    89,106 mi.
    Est. $310/mo

    Acura of Peoria

    4.5
    Check Availability
    Peoria, AZ (11 mi)
    Quick view
  • 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

    $18,400

    51,670 mi.
    Est. $342/mo

    AutoSavvy Gilbert

    4.7
    Check Availability
    Gilbert, AZ (21 mi)
    Quick view
  • $17,869

    95,023 mi.
    Est. $332/mo

    Liberty GMC

    4.5
    Check Availability
    Peoria, AZ (10 mi)
    Quick view
  • Ebony Twilight Metallic 2020 GMC Terrain SLT

    $17,998

    87,230 mi.
    Est. $335/mo

    AutoNation USA Chandler

    3.5
    Check Availability
    Chandler, AZ (27 mi)
    Quick view
  • Not Priced

    36,799 mi.

    Henry Brown Buick GMC

    4.8
    Check Availability
    Gilbert, AZ (28 mi)
    Quick view
  • Pearl 2020 GMC Terrain DenaliPearl 2020 GMC Terrain DenaliPearl 2020 GMC Terrain DenaliPearl 2020 GMC Terrain DenaliPearl 2020 GMC Terrain DenaliPearl 2020 GMC Terrain Denali

    $23,998

    49,704 mi.
    Est. $446/mo

    CarMax El Paso

    Check Availability
    $149 delivery to Tolleson, AZ (13 mi)
    Quick view
  • 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

    $21,998

    50,659 mi.
    Est. $409/mo

    CarMax Boise (Meridian)

    Check Availability
    $1,099 delivery to Tolleson, AZ (13 mi)
    Quick view
  • 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

    $26,988

    59,597 mi.
    Est. $502/mo

    Watson Chevrolet

    4.3
    Check Availability
    Tucson, AZ (110 mi)
    Quick view
  • White Frost Tricoat 2020 GMC Terrain SLTWhite Frost Tricoat 2020 GMC Terrain SLTWhite Frost Tricoat 2020 GMC Terrain SLTWhite Frost Tricoat 2020 GMC Terrain SLTWhite Frost Tricoat 2020 GMC Terrain SLTWhite Frost Tricoat 2020 GMC Terrain SLT

    $16,990

    92,457 mi.
    Est. $316/mo

    Royal Buick GMC Cadillac

    4.7
    Check Availability
    Tucson, AZ (110 mi)
    Quick view
  • $13,245

    113,702 mi.
    Est. $246/mo

    I-10 Autoplex

    Check Availability
    Rillito, AZ (97 mi)
    Quick view
  • Blue Emerald Metallic 2020 GMC Terrain SLE

    $13,992

    $491
    141,753 mi.
    Est. $260/mo

    Quebedeaux Buick GMC

    4.5
    Check Availability
    Tucson, AZ (115 mi)
    Quick view

GMC Terrain prices by year

Model year Average price Deals
2026 GMC Terrain $35,107 1 Good deal
2024 GMC Terrain $24,217 11 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 $18,389, 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)
Skip to Listings
Best match Lowest price Highest price Lowest mileage Highest mileage Nearest location Best deal Newest year Oldest year Newest listed Oldest listed