"How reliable is the 2011 Hyundai Sonata Hybrid?"

"Based on 144 NHTSA complaints, the 2011 Hyundai Sonata Hybrid has a median complaint mileage of 85000 miles. The most common issue is Engine."

"What are common problems with the 2011 Hyundai Sonata Hybrid?"

"The most frequently reported component in NHTSA complaints for the 2011 Hyundai Sonata Hybrid is Engine, accounting for a significant portion of the 144 total complaints filed."

2011 Hyundai Sonata Hybrid: Reliability Data

Source: NHTSA — 144 complaints

144

Total Complaints

85,000mi

Median Mileage

Engine

Top Issue

Crash Reports

When Do Complaints Happen?

Distribution of NHTSA complaints by vehicle mileage at time of report.

68,500 25th Percentile

85,000 Median Mileage

120,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

Engine

Steering

Electrical System

Service Brakes

Power Train

Unknown Or Other

Air Bags

Electronic Stability Control (Esc)

Vehicle Speed Control

Service Brakes, Hydraulic

Severity Assessment

Crashes

Fires

Injuries

Deaths

Sample Complaint Reports

"THIS BEGAN AS A INTERMITTENT HESITANT CLUNK, BOTH DURING ACCELERATION/DECELERATION IN TRANSITIONING BETWEEN ELECTRIC MOTOR / GAS ENGINE. IT HAS PROGRESSED INTO AN UNEXPECTED PHYSICAL JUMP WHILE GOING FORWARD AND REVERSE. THE LATEST DEVELOPMENT WAS LURCHING FORWARD AT A CROSSWALK WITHOUT CONSCIOUSLY ..."

"I WAS COMING OFF OF AN ON RAMP TO GET ONTO THE HIGHWAY AND DUE TO TRAFFIC I HAD TO LET OFF THE GAS. THE VEHICLE SUDDENLY ACCELERATED BY ITSELF, CAUSING ME TO NEARLY LOSE CONTROL OF THE VEHICLE. ANOTHER INCIDENT TOOK PLACE AT A SCHOOL CROSSWALK AREA. I LIGHTLY PRESSED THE BRAKES AND THE VEHICLE ACCEL..."

"AS I WAS GENTLY APPLYING MY BRAKES IN HEAVY FREEWAY TRAFFIC, GOING ABOUT 50MPH, THE BRAKE PEDAL BECAME SOFT AND DROPPED TO THE FLOOR. THE BRAKE FAILURE WARNING LIGHT ALSO STARTED TO FLASH AND CHIME. I SWERVED OFF TO THE SIDE OF THE ROAD TO AVOID HITTING THE CAR IN FRONT OF ME AND PLOWED THROUGH SO..."

Source: NHTSA ODI Complaints Database. Names and identifying details omitted.

When Were Complaints Filed?

Number of complaints by the year the issue occurred.

When Does Each Component Fail?

Median mileage at complaint for top components.

Engine 39 complaints

25th: 74,000 mi Median: 86,000 mi 75th: 116,723 mi

Steering 18 complaints

25th: 50,250 mi Median: 72,940 mi 75th: 97,250 mi

Electrical System 16 complaints

25th: 71,729 mi Median: 109,000 mi 75th: 127,500 mi

Service Brakes 13 complaints

25th: 49,875 mi Median: 70,400 mi 75th: 91,750 mi

Power Train 10 complaints

25th: 56,295 mi Median: 76,919 mi 75th: 84,250 mi

Where Are Complaints Coming From?

Top states by complaint count.

FL: 24 GA: 12 NJ: 11 CA: 10 NY: 9 TX: 9 PA: 9 IL: 8 VA: 7 OH: 5

Hyundai Sonata Hybrid — Other Years

See how this model compares across different model years.

Year	Complaints	Median Mileage	Top Issue	Crashes
2012	213	72,000	Engine	2
2013	166	52,765	Engine	18
2014	40	83,842	Engine	5
2015	79	46,000	Electrical System	9
2016	183	66,000	Engine	5
2017	121	63,000	Engine	3
2020	21	-	Engine	2
2021	66	-	Electrical System	3
2022	30	-	Electrical System	0
2023	23	-	Engine	5

Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.

Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.

Data through: 2026-03-28