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.

5.3

fairly significant
Typical Repair Cost:
No data
Average Mileage:
55,700 miles
Total Complaints:
3 complaints

Most Common Solutions:

  1. not sure (3 reports)
2011 Hyundai Sonata accessories - interior problems

accessories - interior problem

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2011 Hyundai Sonata Owner Comments

problem #3

Aug 082014

Sonata Limited 2.4L Dohc

  • Automatic transmission
  • 57,368 miles

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

The radio display gets really bright before an electrical issue continues. Was told to replace car battery. This did NOT fix the issue.

- duket, Eldersburg, MD, US

problem #2

Jul 262013

Sonata Limited 2.4L Dohc

  • Automatic transmission
  • 45,542 miles

The radio display gets really bright for no reason at times. This usually occurs before some other electrical issue rears its head - like the locks not locking or the wipers not turning off or the turn signal blinking 2x the opposite direction when you try to turn it off. I tried to get the technicians to look into this as a piece to the electrical issues in the car and they just go "uh, huh" and dismiss it because its random and they don't see it happening.

- duket, Eldersburg, MD, US

problem #1

Feb 242016

Sonata Limited 2.4L Dohc

  • Automatic transmission
  • 64,115 miles

Again reporting that the extra bright clock and dash occurred.

- duket, Eldersburg, MD, US

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