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.

3.3

definitely annoying
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
40,000 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 electrical problems

electrical problem

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2011 Hyundai Sonata Owner Comments

problem #3

Jun 302020

Sonata

  • 120,000 miles

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

The contact owns a 2011 Hyundai Sonata. The contact stated that while driving approximately 45 mph, the vehicle stalled without warning. The contact stated several attempts were needed to restart the vehicle. The vehicle was taken to an independent mechanic to be diagnosed. The contact was informed that the started needed to be replaced. The vehicle was repaired however, the failure recurred. The manufacturer was not notified of the failure. The failure mileage was 120,000.

- Orlando, FL, USA

problem #2

Mar 012018

Sonata

  • miles
2011 Hyundai Sonata. Consumer writes in regards to steering shaft plastic coupling component and starter gear plastic fork/lever issues. Consumer has another vehicle correspondence in artemis.

- Dothan, AL, USA

problem #1

Oct 282016

Sonata

  • miles
The contact owns a 2011 Hyundai Sonata. The contact experienced issues starting the vehicle. The vehicle was diagnosed as needing a new starter. The warning lights did not illuminate. The manufacturer was notified. The vehicle was not under warranty according to Hyundai. The vehicle was at the dealer and the part was not ordered. The failure mileage was unknown.

- Pueblo, CO, USA

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