Skip to content
AutoSpec Index
Menu

2018 Subaru Legacy

US · Midsize Cars

The 2018 Subaru Legacy is listed in the US market 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 Every figure below carries the source it came from, and anything our sources do not publish is left out rather than estimated.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: 2.5L 4-cylinder, 3.6L 6-cylinder
Power
Not available
Torque
Not available
Transmission
CVT
Drivetrain
AWD
Fuel
Gasoline
Seating
Not available
Generic outline. Published dimensions for this vehicle are not available.
Specifications at a Glance

Key Performance & Dimensions

Units:
Engine / Powertrain
GASOLINE
Power Output
Not available
Peak Torque
Not available
Combined Economy
Not available
Drivetrain
AWD
Transmission
CVT
Capacity
Not available
Exterior Dimensions
Not available
Market: US·Switch units anytime to convert horsepower, torque, fuel economy, and dimensions.
Compare 2018 Subaru Legacy ↗

Engine

Engine
SpecificationValueSource
EngineVaries by configuration: 2.5L 4-cylinder, 3.6L 6-cylinder
Displacement2.5 L to 3.6 L
Cylinders4 to 6
Fuel typeGasoline

Not available from our sources: Aspiration, Power, Torque.

Transmission and drivetrain

Transmission and drivetrain
SpecificationValueSource
TransmissionCVT
Gears6 to 7
DrivetrainAWD

Fuel economy and range

Fuel economy and range
SpecificationValueSource
Combined29 mpg (8.1 L/100 km) to 23 mpg (10.2 L/100 km)
City25 mpg (9.4 L/100 km) to 20 mpg (11.8 L/100 km)
Highway34 mpg (6.9 L/100 km) to 28 mpg (8.4 L/100 km)

Not available from our sources: Electric range, Battery capacity.

Trims and configurations

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

Recalls

NHTSA lists 3 recall campaigns for this model year. Last checked October 13, 2026.

  • 21V587000: FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP

    Subaru of America, Inc. (Subaru) is recalling certain 2019-2020 Ascent, 2018 Forester, 2018-2020 Impreza, Legacy, Outback, 2018-2019 BRZ, WRX, and Toyota 86 vehicles. The low-pressure fuel pump inside the fuel tank may fail.

    Remedy: Dealers will replace the low-pressure fuel pump, free of charge. Owner notification letters were mailed September 24, 2021. Subaru and Toyota owners may call customer service at 1-844-373-6614. Subaru's number for this recall is WRG-21.

    Reported July 29, 2021. View on NHTSA

  • 18V935000: VISIBILITY:REARVIEW MIRRORS/DEVICES

    Subaru of America, Inc. (Subaru) is recalling certain 2018 Legacy, Outback, and BRZ vehicles. In the affected vehicles, a software issue may cause the audio display system to not initialize, resulting in the camera display remaining blank. If this occurs, the rearview image will not display while backing up the vehicle. As a result, the vehicles fail to comply with requirements of Federal…

    Remedy: Subaru has notified owners, and dealers will reprogram the audio system display software, free of charge. The recall began on February 5, 2019. Owners may contact Subaru customer service at 1-844-373-6614. Subaru's number for this…

    Reported December 31, 2018. View on NHTSA

  • 18V773000: ELECTRICAL SYSTEM:SOFTWARE

    Subaru of America, Inc. (Subaru) is recalling certain 2018 Subaru Legacy and Outback vehicles. Due to a software error, the low fuel warning light may not illuminate at the intended remaining fuel level and the miles-to-empty display may incorrectly indicate a positive number despite the tank being empty.

    Remedy: Subaru will notify owners, and dealers will reprogram the combination meter software, free of charge. The recall began February 20, 2019. Owners may contact Subaru customer service at 1-844-373-6614. Subaru's number for this recall is…

    Reported November 1, 2018. View on NHTSA

Data sources

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

Source checked: October 12, 2026

Data verified: October 13, 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.

Related vehicles

  • Varies by configuration: 2.5L 4-cylinder, 3.6L 6-cylinder · AWD
    29 mpg (8.1 L/100 km) to 23 mpg (10.2 L/100 km)

Frequently asked questions

What engine does the 2018 Subaru Legacy have?

Varies by configuration: 2.5L 4-cylinder, 3.6L 6-cylinder. Engines can differ by trim, so check the trim list below.

What is the fuel economy of the 2018 Subaru Legacy?

Combined fuel economy is 29 mpg (8.1 L/100 km) to 23 mpg (10.2 L/100 km), as published by the source shown in the specification table.

Is the 2018 Subaru Legacy front-wheel, rear-wheel or all-wheel drive?

Drivetrain: AWD.

Are there recalls for the 2018 Subaru Legacy?

NHTSA lists 3 recall campaigns for this model year (last checked October 13, 2026). Details are in the Recalls section.