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2018 Lexus GS

US · Midsize Cars

The 2018 Lexus GS is listed in the US market. Every figure below carries the source it came from, and anything our sources do not publish is left out rather than estimated.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: 2.0L 4-cylinder turbocharged (SIDI & PFI), 3.5L 6-cylinder (SIDI & PFI), 5.0L 8-cylinder (SIDI & PFI)
Transmission
Varies by configuration: Automatic, CVT
Drivetrain
Varies by configuration: RWD, AWD
Fuel
Varies by configuration: Gasoline, Hybrid
Economy
19 mpg (12.4 L/100 km) to 31 mpg (7.6 L/100 km) combined
Generic outline for this body type. An illustration, not a photograph.
Specifications at a Glance

Key Figures

Units:
Engine / Powertrain
2.0L 4-cylinder turbocharged (SIDI & PFI), 3.5L 6-cylinder (SIDI & PFI), 5.0L 8-cylinder (SIDI & PFI)
Combined Economy
19 mpg (12.4 L/100 km) to 31 mpg (7.6 L/100 km) combined
Drivetrain
RWD, AWD
Transmission
Automatic, CVT
Market: US·Switch units to convert the figures shown.
Compare 2018 Lexus GS ↗

Engine

Engine
SpecificationValueSource
EngineVaries by configuration: 2.0L 4-cylinder turbocharged (SIDI & PFI), 3.5L 6-cylinder (SIDI & PFI), 5.0L 8-cylinder (SIDI & PFI)
Displacement2.0 L to 5.0 L
Cylinders4 to 8
AspirationTurbocharged
Fuel typeVaries by configuration: Gasoline, Hybrid

Transmission and drivetrain

Transmission and drivetrain
SpecificationValueSource
TransmissionVaries by configuration: Automatic, CVT
Gears6 to 8
DrivetrainVaries by configuration: RWD, AWD

Fuel economy and range

Fuel economy and range
SpecificationValueSource
Combined19 mpg (12.4 L/100 km) to 31 mpg (7.6 L/100 km)
City16 mpg (14.7 L/100 km) to 29 mpg (8.1 L/100 km)
Highway24 mpg (9.8 L/100 km) to 34 mpg (6.9 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Our sources do not publish these for this vehicle: Power, Torque, Electric range, Battery capacity.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

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

Recalls

NHTSA lists 1 recall campaign for this model year. Last checked November 10, 2026.

  • 26V222000: FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP

    Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2015-2022 Lexus RC, 2016-2020 GS, and 2022 IS vehicles. The low-pressure fuel pump inside the fuel tank may fail.

    Remedy: Dealers will replace the fuel pump assembly, free of charge. Owner letters were mailed October 15, 2026. Owners may contact Toyota's customer service at 1-800-331-4331. Toyota's numbers for this recall are 26LB05 and 26LA05.

    Reported April 8, 2026. View on NHTSA

Data sources

  • EPA fueleconomy.gov · retrieved November 5, 2026 · US Government public data
  • NHTSA vPIC · retrieved October 12, 2026 · US Government public data

Source checked: November 5, 2026

Data verified: November 5, 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

  • 2017 Lexus GS

    Varies by configuration: Gasoline, Hybrid

    Varies by configuration: 5.0L 8-cylinder (SIDI & PFI), 3.5L 6-cylinder (SIDI & PFI), 2.0L 4-cylinder turbocharged (SIDI & PFI) · Varies by configuration: RWD, AWD
    31 mpg (7.6 L/100 km) to 19 mpg (12.4 L/100 km)

  • Varies by configuration: 5.0L 8-cylinder (SIDI & PFI), 3.5L 6-cylinder (SIDI & PFI), 2.0L 4-cylinder turbocharged (SIDI & PFI) · Varies by configuration: RWD, AWD
    26 mpg (9.0 L/100 km) to 19 mpg (12.4 L/100 km)

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Frequently asked questions

What engine does the 2018 Lexus GS have?

Varies by configuration: 2.0L 4-cylinder turbocharged (SIDI & PFI), 3.5L 6-cylinder (SIDI & PFI), 5.0L 8-cylinder (SIDI & PFI). Engines can differ by trim, so check the trim list below.

What is the fuel economy of the 2018 Lexus GS?

Combined fuel economy is 19 mpg (12.4 L/100 km) to 31 mpg (7.6 L/100 km), as published by the source shown in the specification table.

Is the 2018 Lexus GS front-wheel, rear-wheel or all-wheel drive?

Drivetrain: Varies by configuration: RWD, AWD.

Are there recalls for the 2018 Lexus GS?

NHTSA lists 1 recall campaign for this model year (last checked November 10, 2026). Details are in the Recalls section.