Engine seizure and steering faults
The 2012 Sonata has about 745 complaints per 100,000 sold and 100 fire reports. Engine stalling and seizure are the top complaint, followed by steering couplers.
Updated November 2026 · based on 1,714 owner complaints and 11 recalls
743 1.6x the Sonata average
11 free to fix at a dealer
Every Sonata year compared
Owner complaints per 100,000 cars sold. Lower is better. The newest years have had less time to collect complaints, so they are marked too new to judge.
Known problems on the 2012 Sonata
Top problems and what they cost
Engine seizure
Knocking, stalling and complete engine failure.
Fix: Free under recall or warranty extension if eligible; otherwise $4,000 to $7,000
Engine
Steering coupler clicking
Clicking and play in the steering from a worn plastic coupler.
Fix: Coupler $200 to $400
Steering
Brake light switch and hybrid faults
Brake light faults; hybrid system warnings on hybrids.
Fix: Switch $100 to $200
Electrical
Recalls
A fuel leak in the presence of an ignition source can increase the risk of a fire.
If the seat belt linkage detaches from the seat belt anchorage, it can not properly restrain the occupant in the event of a crash, increasing the risk of inj...
If the frontal air bags, seat belt pretensioners, and side air bags are disabled, there is an increased risk of injury to the vehicle occupants in the event ...
In the event of a crash, if the seat belts detach from the anchor pretensioners, it can increase the risk of injury.
If the brake light switch plunger does not retract as it should when the brake pedal is not being pressed, the brake lights may stay illuminated preventing a...
Engine failure would result in a vehicle stall, increasing the risk of a crash.
Show all 11 recalls
If the transmission shift cable detaches, the transmission gear selection may not match the indicated gear and the vehicle may move in an unintended or unexp...
The curtain airbag may inflate without deployment command and increase the risk of injury to occupants of the vehicle.
A damaged engine can increase the risk of a fire or it can cause an engine stall, increasing the risk of a crash.
An overheated accessory outlet increases the risk of fire.
An engine compartment fire while parked or driving can increase the risk of injury.
Complaints by part
Before you buy a 2012 Hyundai Sonata
- Confirm engine recalls 15V568 and 18V934 show as repaired.A recall is a safety fix the carmaker must do for free, even for later owners. Typing the 17-character VIN (on the dashboard and driver door) into nhtsa.gov/recalls shows any that were never done. Codes like 18V332 are recall numbers.The 2012 Sonata has 11 recalls on record, listed below.
- Listen for knocking at idle.Knocking, ticking or rattling from the engine, especially when cold, can mean worn bearings, lifters or a stretched timing chain. These are engine-out repairs costing thousands.Owners filed 326 complaints about engine knocking and failure on the 2012 Sonata, one of the worst years for it.
- Check every brake light works.Brakes should stop the car straight and quietly. Grinding, pulling or surging means worn parts or a fault in the brake system.182 of the 1,714 owner complaints about the 2012 Sonata involve the brakes (11%).
Questions
Is the 2012 Hyundai Sonata reliable?
Engine seizure and steering faults. The 2012 Sonata has about 745 complaints per 100,000 sold and 100 fire reports. Engine stalling and seizure are the top complaint, followed by steering couplers.
How many recalls does the 2012 Hyundai Sonata have?
11 recalls. Recall repairs are free at any Hyundai dealer, even for later owners. Enter the VIN on the free government recall lookup to see which are still open on a specific car.
What are the most common 2012 Hyundai Sonata problems?
Engine seizure; Steering coupler clicking; Brake light switch and hybrid faults.
Crash rating shown for the 2012 Hyundai Sonata 4 DR FWD. Repair costs are typical U.S. ranges for parts and labor, not quotes. How we score.