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.

4.3

definitely annoying
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
26,533 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 body / paint problems

body / paint problem

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2011 Hyundai Sonata Owner Comments

problem #3

Jul 032013

Sonata 4-cyl

  • 65,000 miles

A D V E R T I S E M E N T S

Paint started peeling around top of windshield and starting to show signs of rusting. There shouldn't be any reason that the paint should be peeling back to the metal after only 2 years.

- Clayton, NC, USA

problem #2

Jun 132013

Sonata 4-cyl

  • 7,300 miles
Trunk opens on its own. It has happened at least 5 times since I purchased the car in May 2013. Finally brought it in to dealer today, Sept. 11, 2013. Thought I might have hit bottom accidentally; but keys were in my purse and it could not have happened.

- Naples, FL, USA

problem #1

Jun 132013

Sonata 4-cyl

  • 7,300 miles
Trunk opens on its own. It has happened at least 5 times since I purchased the car in May 2013. Finally brought it in to dealer today, Sept. 11, 2013. Thought I might have hit bottom accidentally; but keys were in my purse and it could not have happened.

- Naples, FL, USA

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