2020 GMC Terrain

US · SUV · Small Sport Utility Vehicle 2WD

The 2020 GMC Terrain is listed in the US market as a suv with gasoline power. Every figure below carries the source it came from, and anything our sources do not publish is left out rather than estimated.

Engine: Varies by configuration: 1.5L 4-cylinder turbocharged (SIDI), 2.0L 4-cylinder turbocharged (SIDI)
Transmission: 9-speed automatic
Drivetrain: Varies by configuration: AWD, FWD
Fuel: Gasoline
Economy: 23 mpg (10.2 L/100 km) to 27 mpg (8.7 L/100 km) combined

Generic outline for this body type. An illustration, not a photograph.

Specifications at a Glance

Key Figures

Units:

Engine / Powertrain

1.5L 4-cylinder turbocharged (SIDI), 2.0L 4-cylinder turbocharged (SIDI)

Combined Economy

23 mpg (10.2 L/100 km) to 27 mpg (8.7 L/100 km) combined

Drivetrain

AWD, FWD

Transmission

9-speed automatic

Market: US·Switch units to convert the figures shown.

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Engine

Engine
Specification	Value	Source
Engine	Varies by configuration: 1.5L 4-cylinder turbocharged (SIDI), 2.0L 4-cylinder turbocharged (SIDI)
Displacement	1.5 L to 2.0 L
Cylinders	4
Aspiration	Turbocharged
Fuel type	Gasoline	EPA fueleconomy.gov

Transmission and drivetrain

Transmission and drivetrain
Specification	Value	Source
Transmission	Automatic	EPA fueleconomy.gov
Gears	9
Drivetrain	Varies by configuration: AWD, FWD

Fuel economy and range

Fuel economy and range
Specification	Value	Source
Combined	23 mpg (10.2 L/100 km) to 27 mpg (8.7 L/100 km)	EPA fueleconomy.gov
City	21 mpg (11.2 L/100 km) to 26 mpg (9.0 L/100 km)
Highway	26 mpg (9.0 L/100 km) to 30 mpg (7.8 L/100 km)

Our sources do not publish these for this vehicle: Power, Torque, Electric range, Battery capacity. We leave them out instead of estimating.

Trims and configurations

4 configurations listed by our sources. Engines, drivetrains and fuel economy can differ between them.

Recalls

NHTSA lists 2 recall campaigns for this model year. Last checked November 8, 2026.

23V339000: CHILD SEAT:VEHICLE LATCH ANCHOR
General Motors, LLC (GM) is recalling certain 2020-2023 Chevrolet Equinox and GMC Terrain vehicles. The four rear-seat lower child seat LATCH anchorage bars may have excessive powder coating, which could prevent a child seat from being installed with the anchorage bars. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 225, "Child…
Remedy: Owners are advised to install child seats using the vehicle's rear seat belts until the remedy is complete. Dealers will inspect the latch anchorage bars, and remove and replace the finish, as necessary, free of charge. Owner…
Reported May 11, 2023. View on NHTSA
20V668000: POWER TRAIN:AUTOMATIC TRANSMISSION
General Motors LLC (GM) is recalling certain 2018-2019 Chevrolet Cruze and Buick LaCrosse, 2018-2020 Chevrolet Equinox, Chevrolet Traverse and GMC Terrain, 2018 Chevrolet Malibu, 2019-2020 Buick Encore, Buick Enclave, Cadillac XT4, Chevrolet Blazer and GMC Acadia, and 2020 Cadillac XT6 vehicles. The start/stop accumulator endcap may have missing bolts.
Remedy: GM will notify owners, and dealers will inspect the start-stop transmission accumulator and replace it if any bolts are missing, free of charge. The recall began December 15, 2020. Owners may contact GMC customer service at…
Reported October 29, 2020. View on NHTSA

Data sources

EPA fueleconomy.gov · retrieved November 4, 2026 · US Government public data
NHTSA vPIC · retrieved October 12, 2026 · US Government public data

Source checked: November 4, 2026

Data verified: November 4, 2026

Specifications can vary by market, trim, configuration and production date. Confirm with the manufacturer before buying parts or making safety decisions. Report an error.

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Frequently asked questions

What engine does the 2020 GMC Terrain have?

Varies by configuration: 1.5L 4-cylinder turbocharged (SIDI), 2.0L 4-cylinder turbocharged (SIDI). Engines can differ by trim, so check the trim list below.

What is the fuel economy of the 2020 GMC Terrain?

Combined fuel economy is 23 mpg (10.2 L/100 km) to 27 mpg (8.7 L/100 km), as published by the source shown in the specification table.

Is the 2020 GMC Terrain front-wheel, rear-wheel or all-wheel drive?

Drivetrain: Varies by configuration: AWD, FWD.

Are there recalls for the 2020 GMC Terrain?

NHTSA lists 2 recall campaigns for this model year (last checked November 8, 2026). Details are in the Recalls section.