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.

Collapse Safety Ratings

NCAP 5-Star Crash Test & Rollover Safety Ratings

Driver FrontPassenger FrontDriver SidePassenger SideSide PoleRollover
2011 Sonata 4 DR FWD Early Release**************************
NCAP videos are in WMV format.
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2011 Sonata 4 DR FWD Later Release*****************************
2011 Sonata 4 DR FWD Latest Release*****************************
2011 Sonata Hybrid 4 DR FWD*****************************
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IIHS Crash Test & Rollover Safety Ratings

Good Acceptable Marginal Poor

2011 Hyundai Sonata 4-door sedan

2011 Hyundai Sonata 4-door sedan Good performance in front, side, rear and rollover tests.

Moderate Overlap FrontSmall Overlap DriverSmall Overlap PassengerSideRear1Rollover
G Overall
G Structure
G Head/Neck Injury
G Chest Injury
G Left Leg Injury
G Right Leg Injury
G Restraints
Full IIHS Moderate Overlap Crash Test report »
M Overall
M Structure
G Head/Neck Injury
G Chest Injury
G Hip/Thigh Injury
M Lower Leg Injury
A Restraints
Full IIHS Small Overlap Driver-side Crash Test report »
Not tested. G Overall
A Structure
Driver
G Head Protection
G Head/Neck Injury
G Torso Injury
G Pelvis/Legs Injury
Rear Passenger
G Head Protection
G Head/Neck Injury
G Torso Injury
G Pelvis/Legs Injury
Full IIHS Side Impact Crash Test report »
G Overall
G Geometry
G Dynamic
Full IIHS Rear Impact Crash Test report »
G Overall
Full IIHS Rollover Safety report »

1 — Power cloth seat AHR.

Ratings only apply to the model and body or seat type tested. The date of manufacture and optional safety equipment can affect results. For full details see www.iihs.org.

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