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.

5.0

fairly significant
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
20,000 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 brakes problems

brakes problem

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2011 Hyundai Sonata Owner Comments

problem #1

Mar 152012

Sonata

  • 20,000 miles

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

The contact owns a 2011 Hyundai Sonata. The contact heard a grinding noise emitting from the front of the vehicle. The vehicle was taken to a dealer. The technician diagnosed that the brake calipers were corroded and needed to be replaced. The vehicle was then taken to an independent mechanic, where the brake calipers were replaced. The manufacturer was notified of the failure. The failure mileage was 20,000.

- Lanham, MD, USA

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