2015 Hyundai Sonata: Reliability Data

Source: NHTSA — 1611 complaints
1611
Total Complaints
53,758mi
Median Mileage
ENGINE
Top Issue
60
Crash Reports

When Do Complaints Happen?

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

20,000 25th Percentile
53,758 Median Mileage
84,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

ENGINE
593
UNKNOWN OR OTHER
161
ELECTRICAL SYSTEM
159
POWER TRAIN
130
FUEL/PROPULSION SYSTEM
71
SERVICE BRAKES
71
STEERING
71
VEHICLE SPEED CONTROL
58
STRUCTURE:BODY
46
EXTERIOR LIGHTING
37

Severity Assessment

60
Crashes
80
Fires
58
Injuries
4
Deaths

Sample Complaint Reports

"WE PURCHASED A 2015 HYUNDAI SONATA SPORT/L1 ON 26 DEC 2014. MY WIFE REQUIRES AN EXTRA CUSHION TO SIT ON DUE LOWER BACK PROBLEMS. OUR PREVIOUS CAR (2007 CHEVROLET IMPALA) HAS SENSORS UNDER THE PASSENGER SEAT THAT CONTROL THE PASSENGER AIR BAG DEPLOYMENT. WITH MY WIFE SITTING ON THE EXTRA CUSHION, TH..."
"WE PURCHASED A 2015 HYUNDAI SONATA SPORT/L1 ON 26 DEC 2014. MY WIFE REQUIRES AN EXTRA CUSHION TO SIT ON DUE LOWER BACK PROBLEMS. OUR PREVIOUS CAR (2007 CHEVROLET IMPALA) HAS SENSORS UNDER THE PASSENGER SEAT THAT CONTROL THE PASSENGER AIR BAG DEPLOYMENT. WITH MY WIFE SITTING ON THE EXTRA CUSHION, TH..."
"THIS IS A NEW HYUNDAI SONATA 2015. THE ENGINE CHECK LIGHT CAME ON AND THE ENGINE STARTED RUNNING ERRATICALLY. THE FOLLOWING SYMPTOMS CAN BE A SAFETY CONCERNS: 1. SOMETIMES WHEN IDLING AT INTERSECTION THE ENGINE RPM GOES UP ALL OF A SUDDEN AND THE CAR STARTS MOVING FORWARD AND ONLY A STRONGER PUSH O..."

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

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