CarComplaints.com Notes: The 2011 Sonata has a seriously defective engine that seizes without warning. It was awarded the dubious honor of being the first CarTalk / CarComplaints Turd of the Week in late September 2015.
A class action lawsuit was filed in May 2015 against Hyundai that claims the 2.4L Sonata engine is defective. More info here.
8.0
pretty bad
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
5,000 miles
About These NHTSA Complaints:
This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.
So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.
The contact owns a 2011 Hyundai Sonata. The contact stated the engine light was illuminated on the instrumental panel on an intermittent basis. The vehicle was inspected by a dealer who informed the contact that the thermostat had failed and needed to be replaced. The vehicle was repaired four times in six months. The failure mileage was approximately 5,000.
- Achran, OH, USA
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- Achran, OH, USA