"How reliable is the 2017 Hyundai Sonata Plug-In Hybrid?"

"Based on 48 NHTSA complaints, the 2017 Hyundai Sonata Plug-In Hybrid has a median complaint mileage of 12470 miles. The most common issue is ENGINE."

"What are common problems with the 2017 Hyundai Sonata Plug-In Hybrid?"

"The most frequently reported component in NHTSA complaints for the 2017 Hyundai Sonata Plug-In Hybrid is ENGINE, accounting for a significant portion of the 48 total complaints filed."

2017 Hyundai Sonata Plug-In Hybrid: Reliability Data

Source: NHTSA — 48 complaints

Total Complaints

12,470mi

Median Mileage

ENGINE

Top Issue

Crash Reports

When Do Complaints Happen?

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

2,118 25th Percentile

12,470 Median Mileage

26,600 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

ENGINE

ELECTRICAL SYSTEM

FUEL/PROPULSION SYSTEM

UNKNOWN OR OTHER

POWER TRAIN

VEHICLE SPEED CONTROL:CRUISE CONTROL

SERVICE BRAKES

FORWARD COLLISION AVOIDANCE

ELECTRONIC STABILITY CONTROL (ESC)

VEHICLE SPEED CONTROL

Severity Assessment

Crashes

Fires

Injuries

Deaths

Sample Complaint Reports

"FIRST EXTENDED DRIVE OF NEW CAR, CHECK ENGINE LIGHT CAME ON. TOOK IT TO DEALER FOR SERVICE, WAS TOLD I HAD "BAD FUEL" THAT THEY TESTED A SAMPLE AND FOUND E85 (ETHANOL) IN IT, WHICH IS NOT COVERED BY HYUNDAI NEW CAR WARRANTY FOR PLUG-IN HYBRID ELECTRIC VEHICLES. I PAID $828 TO HAVE FUEL DRAINED AND..."

"ON 3/15/2017 AROUND 8AM, I STARTED MY CAR TO LEAVE FOR WORK AND THE CAR SHOWED A WARNING "CHECK HYBRID SYSTEM" AND THE CORRESPONDING WARNING LIGHT CAME ON. THE GASOLINE ENGINE ALSO STARTED RIGHT AWAY AND STAYED ON, EVEN THOUGH THE EV BATTERY WAS FULL. THE ENGINE REMAINED ON THROUGHOUT MY COMMUTE TO ..."

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