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2018 Hyundai Sonata

US · Large Cars

The 2018 Hyundai Sonata 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 Every figure below carries the source it came from, and anything our sources do not publish is left out rather than estimated.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: 1.6L 4-cylinder turbocharged (SIDI), 2.0L 4-cylinder turbocharged (SIDI), 2.4L 4-cylinder (SIDI), 2.0L 4-cylinder (SIDI), 2.0L 4-cylinder (SIDI; PHEV)
Power
Not available
Torque
Not available
Transmission
Automatic
Drivetrain
FWD
Fuel
Varies by configuration: Gasoline, Hybrid, Plug-in hybrid
Seating
Not available
Generic outline. Published dimensions for this vehicle are not available.
Specifications at a Glance

Key Performance & Dimensions

Units:
Engine / Powertrain
HYBRID
Power Output
Not available
Peak Torque
Not available
Combined Economy
Not available
Drivetrain
FWD
Transmission
AUTOMATIC
Capacity
Not available
Exterior Dimensions
Not available
Market: US·Switch units anytime to convert horsepower, torque, fuel economy, and dimensions.
Compare 2018 Hyundai Sonata ↗

Engine

Engine
SpecificationValueSource
EngineVaries by configuration: 1.6L 4-cylinder turbocharged (SIDI), 2.0L 4-cylinder turbocharged (SIDI), 2.4L 4-cylinder (SIDI), 2.0L 4-cylinder (SIDI), 2.0L 4-cylinder (SIDI; PHEV)
Displacement1.6 L to 2.4 L
Cylinders4
AspirationTurbocharged
Fuel typeVaries by configuration: Gasoline, Hybrid, Plug-in hybrid

Not available from our sources: Power, Torque.

Transmission and drivetrain

Transmission and drivetrain
SpecificationValueSource
TransmissionAutomatic
Gears6 to 8
DrivetrainFWD

Fuel economy and range

Fuel economy and range
SpecificationValueSource
Combined42 mpg (5.6 L/100 km) to 26 mpg (9.0 L/100 km)
City40 mpg (5.9 L/100 km) to 23 mpg (10.2 L/100 km)
Highway46 mpg (5.1 L/100 km) to 32 mpg (7.4 L/100 km)

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

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 October 13, 2026.

  • 21V619000: LATCHES/LOCKS/LINKAGES:TRUNK LID:LATCH

    Hyundai Motor America (Hyundai) is recalling certain 2017-2018 Sonata, 2016-2018 Sonata Hybrid, 2018-2020 Accent, and 2016-2017 Azera vehicles. The trunk latch may become damaged, preventing the opening of the trunk from the inside. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 401, "Internal Trunk Release."

    Remedy: Dealers will replace the trunk latch base, free of charge. Owner notification letters were mailed December 4, 2021. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 208.

    Reported August 6, 2021. 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

  • 2017 Hyundai Sonata

    Varies by configuration: Gasoline, Hybrid, Plug-in hybrid

    Varies by configuration: 2.0L 4-cylinder turbocharged (SIDI), 2.4L 4-cylinder (SIDI), 1.6L 4-cylinder turbocharged (SIDI), 2.0L 4-cylinder (SIDI), 2.0L 4-cylinder (SIDI; PHEV) · FWD
    42 mpg (5.6 L/100 km) to 24 mpg (9.8 L/100 km)

  • 2019 Hyundai Sonata

    Varies by configuration: Gasoline, Hybrid, Plug-in hybrid

    Varies by configuration: 2.4L 4-cylinder (SIDI), 2.0L 4-cylinder turbocharged (SIDI), 1.6L 4-cylinder turbocharged (SIDI), 2.0L 4-cylinder (SIDI; Hybrid), 2.0L 4-cylinder (SIDI; PHEV) · FWD
    42 mpg (5.6 L/100 km) to 26 mpg (9.0 L/100 km)

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Frequently asked questions

What engine does the 2018 Hyundai Sonata have?

Varies by configuration: 1.6L 4-cylinder turbocharged (SIDI), 2.0L 4-cylinder turbocharged (SIDI), 2.4L 4-cylinder (SIDI), 2.0L 4-cylinder (SIDI), 2.0L 4-cylinder (SIDI; PHEV). Engines can differ by trim, so check the trim list below.

What is the fuel economy of the 2018 Hyundai Sonata?

Combined fuel economy is 42 mpg (5.6 L/100 km) to 26 mpg (9.0 L/100 km), as published by the source shown in the specification table.

Is the 2018 Hyundai Sonata front-wheel, rear-wheel or all-wheel drive?

Drivetrain: FWD.

Are there recalls for the 2018 Hyundai Sonata?

NHTSA lists 1 recall campaign for this model year (last checked October 13, 2026). Details are in the Recalls section.