2021 Hyundai Sonata
US · Large Cars
The 2021 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 Every figure below carries the source it came from, and anything our sources do not publish is left out rather than estimated.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), 2.5L 4-cylinder (SIDI & PFI), 2.5L 4-cylinder (SIDI & PFI; Stop-Start), 2.5L 4-cylinder turbocharged (SIDI & PFI), 2.0L 4-cylinder (SIDI; Hybrid)
- Power
- Not available
- Torque
- Not available
- Transmission
- Varies by configuration: Automatic, Dual-clutch
- Drivetrain
- FWD
- Fuel
- Varies by configuration: Gasoline, Hybrid
- Seating
- Not available
Key Performance & Dimensions
Engine
| Specification | Value | Source |
|---|---|---|
| Engine | Varies by configuration: 1.6L 4-cylinder turbocharged (SIDI), 2.5L 4-cylinder (SIDI & PFI), 2.5L 4-cylinder (SIDI & PFI; Stop-Start), 2.5L 4-cylinder turbocharged (SIDI & PFI), 2.0L 4-cylinder (SIDI; Hybrid) | |
| Displacement | 1.6 L to 2.5 L | |
| Cylinders | 4 | |
| Aspiration | Turbocharged | |
| Fuel type | Varies by configuration: Gasoline, Hybrid | EPA fueleconomy.gov |
Not available from our sources: Power, Torque.
Transmission and drivetrain
| Specification | Value | Source |
|---|---|---|
| Transmission | Varies by configuration: Automatic, Dual-clutch | |
| Gears | 6 to 8 | |
| Drivetrain | FWD | EPA fueleconomy.gov |
Fuel economy and range
| Specification | Value | Source |
|---|---|---|
| Combined | 52 mpg (4.5 L/100 km) to 27 mpg (8.7 L/100 km) | EPA fueleconomy.gov |
| City | 50 mpg (4.7 L/100 km) to 23 mpg (10.2 L/100 km) | |
| Highway | 54 mpg (4.4 L/100 km) to 33 mpg (7.1 L/100 km) |
Not available from our sources: Electric range, Battery capacity.
Trims and configurations
6 configurations listed by our sources. Engines, drivetrains and fuel economy can differ between them.
Recalls
NHTSA lists 4 recall campaigns for this model year. Last checked October 15, 2026.
25V796000: FUEL SYSTEM, GASOLINE
Hyundai Motor America (Hyundai) is recalling certain 2020-2023 Sonata vehicles. A damaged check valve can allow air to enter the fuel tank, causing it to expand and contact hot exhaust components, melting the tank.
Remedy: Dealers will inspect and replace the check valve. The fuel tank assembly will be inspected for damage and replaced if necessary. Additionally, dealers will inspect and update the engine control unit software. All repairs will be performed…
Reported November 18, 2025. View on NHTSA
22V746000: POWER TRAIN:AUTOMATIC TRANSMISSION
Hyundai Motor Company (Hyundai) is recalling certain 2021-2022 Santa Fe, Sonata, Veloster N, 2022 Santa Cruz, Elantra N, and Kona N vehicles. The vehicle's "fail-safe" limited-mobility drive mode may be impaired, when prompted by a transmission oil pump malfunction, which can result in a complete loss of drive power.
Remedy: Dealers will inspect and replace the transmission, as necessary. Dealers will also update the transmission control unit software. All repairs will be performed free of charge. Owner notification letters were mailed January 10, 2023.…
Reported October 6, 2022. View on NHTSA
21V00M000: VISIBILITY:WINDSHIELD
Hyundai Motor America (Hyundai) is recalling certain 2020-2021 Santa Fe, 2021 Sonata, and Elantra vehicles. During manufacturing, the windshield may not have been properly bonded to the vehicle, allowing it to detach in a crash.
Remedy: Dealers will remove and reinstall the front windshield panel, free of charge. Owner notification letters were mailed June 20, 2022. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 216.
Reported December 28, 2021. View on NHTSA
21V524000: FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS
Hyundai Motor America (Hyundai) is recalling certain 2021-2022 Santa Fe and Sonata vehicles equipped with 2.5L turbocharged engines. Fuel may leak at the pipe connection between the high-pressure fuel pump and fuel rail.
Remedy: Dealers will inspect and tighten, or replace the fuel pipe as necessary, free of charge. Owner notification letters were mailed on September 3, 2021. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for…
Reported July 9, 2021. View on NHTSA
Data sources
- EPA fueleconomy.gov · retrieved October 11, 2026 · US Government public data
- NHTSA vPIC · retrieved October 11, 2026 · US Government public data
Source checked: October 11, 2026
Data verified: October 12, 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
- 2020 Hyundai Sonata
Varies by configuration: Gasoline, Hybrid
Varies by configuration: 2.5L 4-cylinder (SIDI & PFI), 2.5L 4-cylinder (SIDI & PFI; Stop-Start), 1.6L 4-cylinder turbocharged (SIDI), 2.0L 4-cylinder (SIDI; Hybrid) · FWD
52 mpg (4.5 L/100 km) to 31 mpg (7.6 L/100 km) - 2022 Hyundai Sonata
Varies by configuration: Hybrid, Gasoline
Varies by configuration: 2.0L 4-cylinder (SIDI; Hybrid), 1.6L 4-cylinder turbocharged (SIDI), 2.5L 4-cylinder (SIDI & PFI), 2.5L 4-cylinder (SIDI & PFI; Stop-Start), 2.5L 4-cylinder turbocharged (SIDI & PFI) · FWD
52 mpg (4.5 L/100 km) to 27 mpg (8.7 L/100 km)
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Frequently asked questions
What engine does the 2021 Hyundai Sonata have?
Varies by configuration: 1.6L 4-cylinder turbocharged (SIDI), 2.5L 4-cylinder (SIDI & PFI), 2.5L 4-cylinder (SIDI & PFI; Stop-Start), 2.5L 4-cylinder turbocharged (SIDI & PFI), 2.0L 4-cylinder (SIDI; Hybrid). Engines can differ by trim, so check the trim list below.
What is the fuel economy of the 2021 Hyundai Sonata?
Combined fuel economy is 52 mpg (4.5 L/100 km) to 27 mpg (8.7 L/100 km), as published by the source shown in the specification table.
Is the 2021 Hyundai Sonata front-wheel, rear-wheel or all-wheel drive?
Drivetrain: FWD.
Are there recalls for the 2021 Hyundai Sonata?
NHTSA lists 4 recall campaigns for this model year (last checked October 15, 2026). Details are in the Recalls section.