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 Every figure below carries the source it came from, and anything our sources do not publish is left out rather than estimated.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)
- Transmission
- Automatic
- Drivetrain
- FWD
- Fuel
- Varies by configuration: Gasoline, Hybrid, Plug-in hybrid
- Economy
- 26 mpg (9.0 L/100 km) to 42 mpg (5.6 L/100 km) combined
Key Figures
Engine
| Specification | Value | Source |
|---|---|---|
| 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) | |
| Displacement | 1.6 L to 2.4 L | |
| Cylinders | 4 | |
| Aspiration | Turbocharged | |
| Fuel type | Varies by configuration: Gasoline, Hybrid, Plug-in hybrid | EPA fueleconomy.gov |
Transmission and drivetrain
| Specification | Value | Source |
|---|---|---|
| Transmission | Automatic | EPA fueleconomy.gov |
| Gears | 6 to 8 | |
| Drivetrain | FWD | EPA fueleconomy.gov |
Fuel economy and range
| Specification | Value | Source |
|---|---|---|
| Combined | 26 mpg (9.0 L/100 km) to 42 mpg (5.6 L/100 km) | EPA fueleconomy.gov |
| City | 23 mpg (10.2 L/100 km) to 40 mpg (5.9 L/100 km) | |
| Highway | 32 mpg (7.4 L/100 km) to 46 mpg (5.1 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Our sources do not publish these for this vehicle: Power, Torque, Electric range, Battery capacity.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.
- 1.6L · FWD · 7-speed automatic
- 2.0L · FWD · 8-speed automatic
- 2.4L · FWD · 6-speed automatic
- Sonata Hybrid · 2.0L · FWD · 6-speed automatic · Hybrid
- Sonata Hybrid SE · 2.0L · FWD · 6-speed automatic · Hybrid
- Sonata Plug-in Hybrid · 2.0L · FWD · 6-speed automatic · Plug-in Hybrid
- Sonata SE · 2.4L · FWD · 6-speed automatic
Recalls
NHTSA lists 1 recall campaign for this model year. Last checked November 10, 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 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 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 26 mpg (9.0 L/100 km) to 42 mpg (5.6 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 November 10, 2026). Details are in the Recalls section.