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.


hardly worth mentioning
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
49,000 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.

2011 Hyundai Sonata accessories - interior problems

accessories - interior problem

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2011 Hyundai Sonata Owner Comments

problem #1

Nov 112013


  • 49,000 miles


My 2011 Sonata was purchase brand new. After just having the vehicle 2 1/2 years I noticed that I had already accumulated 48000 miles. I have not worked since purchasing the vehicle and I have not traveled in the vehicle. The furthest one way that I may go is 10 miles to shop. I only drive the car 15 days each month. I have now had my car 3 yrs and 4 months and I already have 69,000 miles on it. Which means that between November 2013 and today, I have put 21000 miles on the car. That is far from right. I have only put about 5000 - 8000 on the vehicle, if that many. I took the vehicle to the dealership and was told that I would need a camera to prove any mechanical error since they didn't see anything. There is obviously something wrong with the vehicle. This is affecting my warranty since I have gone over 60000 and a lot of mechanical problems will no longer be covered.

- Millbrook, AL, USA

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