MN Lemon BuddyVehicle problems, checked against the record

2021 Hyundai Sonata problems, from the federal record

Owners of the 2021 Hyundai Sonata have filed 128 complaints with NHTSA, and the vehicle has 4 safety recall campaigns on file. The most-reported problem areas: engine (34), transmission and drivetrain (22), fuel or propulsion system (20).

Source: NHTSA complaint and recall databases, last verified August 18, 2026. Complaints are unverified owner self-reports; volume is a signal, not a verdict, and popular models draw more complaints because more are on the road.

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Complaints by component

Engine
34
Other or unspecified
31
Transmission and drivetrain
22
Fuel or propulsion system
20
Electrical system
17
Fuel system
11
Visibility and wipers
8
Forward collision avoidance (driver assist)
8
Body and structure
4
Visibility (glass, mirrors, roof)
4

Safety recalls (4)

Campaigns NHTSA lists for the 2021 Hyundai Sonata. Whether your specific vehicle is included depends on your VIN; recall repairs are free at the dealer.

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