2015 Hyundai Sonata Hybrid: Reliability Data

Source: NHTSA — 79 complaints
79
Total Complaints
46,000mi
Median Mileage
Electrical System
Top Issue
9
Crash Reports

When Do Complaints Happen?

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

15,000 25th Percentile
46,000 Median Mileage
82,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

Electrical System
17
Engine
16
Service Brakes
8
Unknown Or Other
6
Power Train
5
Service Brakes, Hydraulic
5
Vehicle Speed Control
4
Automatic Transmission
2
Hybrid Propulsion System
2
12V/24V/48V Battery
2

Severity Assessment

9
Crashes
3
Fires
13
Injuries
0
Deaths

Sample Complaint Reports

"STOPPED AT A INTERSECTION, BRAKE LIGHT WARNING CAME ON, CAR WOULD NOT MOVE. TOWED TO HYUNDAI DEALER, HYDRAULIC BOOSTER HAD SHORT, HYDRAULIC BOOSTER REPLACED. WONDERING WHY THE ELECTRONICS DO NOT HAVE A DUAL CHANNEL OPERATION TO ALLEVIATE THE POSSIBILITY OF BEING STRANDED IN AN UNDESIRABLE OR DANGE..."
"ON MULTIPLE OCCASIONS, THE ENGINE WOULD NOT START (PUSH BUTTON) ."
"THIS VEHICLE HAS ELECTRIC POWER STEERING. WHEN DRIVING ON THE HIGHWAY, IT IS IMPOSSIBLE TO KEEP THE CAR TRACKING STRAIGHT. IT IS NOT A TIRE ISSUE, NOR IS IT A CROWN IN THE ROAD ISSUE. THE VEHICLE MUST CONTINUOUSLY BE CORRECTED TO KEEP IN A STRAIGHT LINE. WINDY CONDITIONS CAUSE THE VEHICLE TO RADICAL..."

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.

Electrical System 17 complaints
25th: 27,000 mi Median: 46,000 mi 75th: 99,000 mi
Engine 16 complaints
25th: 16,400 mi Median: 46,000 mi 75th: 88,349 mi
Service Brakes 8 complaints
25th: 2,775 mi Median: 9,850 mi 75th: 40,175 mi
Unknown Or Other 6 complaints
25th: 3,795 mi Median: 22,500 mi 75th: 46,500 mi
Power Train 5 complaints
25th: 8,750 mi Median: 20,000 mi 75th: 43,000 mi

Where Are Complaints Coming From?

Top states by complaint count.

CA: 17 NC: 11 TX: 8 FL: 8 GA: 5 IL: 5 MD: 3 NY: 3 PA: 3 AZ: 3

Who Files Complaints?

1.3%
Original Owners
98.7%
Second+ Owners

Hyundai Sonata Hybrid — Other Years

See how this model compares across different model years.

YearComplaintsCrashes
201114411
20122132
201316618
2014405
20161835
20171213
2020212
2021663
2022300
2023235

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