Worst 2021 Hyundai Sonata Problems
Top 3 most-reported issues with average mileage at failure.
ENGINE
UNKNOWN OR OTHER
POWER TRAIN
Check the actual VIN — every car is different.
This page shows the model year's reputation. The VIN tells you about this specific car — accidents, title issues, odometer rollbacks. Full report just $4.99 (vs. Carfax $44.99).
All Problems by Category
Every NHTSA complaint category for the 2021 Hyundai Sonata.
| Component | Complaints | Crashes | Fires | Avg Mileage | Volume |
|---|---|---|---|---|---|
| ENGINE | 29 | 1 | — | 24,825 mi | |
| UNKNOWN OR OTHER | 29 | 3 | — | 1,400 mi | |
| POWER TRAIN | 19 | — | — | 26,220 mi | |
| FUEL/PROPULSION SYSTEM | 15 | 1 | — | — | |
| ELECTRICAL SYSTEM | 14 | — | — | — | |
| VISIBILITY/WIPER | 8 | — | — | 5,836 mi | |
| FUEL SYSTEM, GASOLINE | 6 | — | — | 78,250 mi | |
| AIR BAGS | 4 | 2 | — | — | |
| FORWARD COLLISION AVOIDANCE: WARNINGS | 4 | 1 | — | — | |
| STRUCTURE:BODY | 4 | — | — | — | |
| FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING | 2 | 1 | — | — | |
| LANE DEPARTURE: ASSIST | 2 | — | — | — | |
| SEAT BELTS | 2 | — | — | 26,450 mi | |
| SEATS | 2 | — | — | — | |
| SERVICE BRAKES | 2 | 1 | — | — | |
| STEERING | 2 | — | — | — | |
| VEHICLE SPEED CONTROL | 2 | — | — | — | |
| VISIBILITY:SUN/MOON ROOF ASSEMBLY | 2 | — | — | 13,300 mi | |
| ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER | 1 | — | — | — | |
| ENGINE AND ENGINE COOLING | 1 | — | — | 87,000 mi | |
| FORWARD COLLISION AVOIDANCE | 1 | — | — | — | |
| FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL | 1 | — | — | — | |
| FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP | 1 | — | — | — | |
| FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS | 1 | — | — | 47,000 mi | |
| LANE DEPARTURE: BLIND SPOT DETECTION | 1 | — | — | — | |
| PARKING BRAKE | 1 | 1 | — | 1,400 mi | |
| POWER TRAIN:AUTOMATIC TRANSMISSION | 1 | — | — | 2,700 mi | |
| SUSPENSION | 1 | — | — | — | |
| VISIBILITY | 1 | — | — | — | |
| VISIBILITY:WINDSHIELD | 1 | — | — | 23,000 mi |
Recalls for 2021 Hyundai Sonata
7 NHTSA recall campaigns affecting ~321,225 vehicles.
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.
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.
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.
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.
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.
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.
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.
Other Hyundai Sonata Years
Wider context: See the full Hyundai Sonata reliability report with year-by-year comparison and generation analysis.
Check Your Specific 2021 Hyundai Sonata
Real owner complaints tell you about the model. The VIN tells you about your specific car — accidents, title issues, odometer fraud.
Check Any VIN — $4.99