2017 Hyundai Sonata problems and complaints
Owners have filed 766 complaints with NHTSA about the 2017 Hyundai Sonata. The most-reported areas: Engine (385), Steering (173), Unknown Or Other (102).
Key takeaways
- 766 owner complaints on file with NHTSA.
- 28 involve a crash, 11 a fire, 12 reported injuries.
- Complaints are unverified owner reports; recalls are confirmed defects.
| Component | Complaints | Share |
|---|---|---|
| Engine | 385 | 50% |
| Steering | 173 | 23% |
| Unknown Or Other | 102 | 13% |
| Electrical System | 65 | 8% |
| Power Train | 56 | 7% |
| Structure | 37 | 5% |
| Fuel/Propulsion System | 33 | 4% |
| Air Bags | 22 | 3% |
| Service Brakes | 22 | 3% |
| Exterior Lighting | 20 | 3% |
| Vehicle Speed Control | 20 | 3% |
| Engine And Engine Cooling | 18 | 2% |
One complaint can name several components, so shares add up to more than 100%.
| Version | Overall | Front | Side | Rollover |
|---|---|---|---|---|
| 2017 Hyundai Sonata 4 DR FWD | 5/5 | 5/5 | 5/5 | 4/5 |
Latest complaints, as filed
Owner-written and unverified by NHTSA.
Engine - filed 2026-10-15
I had recently taken my 2017 Hyundai Sonata in for an Engine Diagnostic check at the Bel Air Hyundai dealership, (10/15/26) worth $199.99 for an hour of maintenance, after experiencing sudden jolts when powering on and driving, needing additional time warming up. My initial thought was that the temperature gauge had go...
Power Train - filed 2026-10-12
I had my engine replaced under the Theta Engine lawsuit and I was due for the 9C2 service campaign and it was installed...ever since I picked up my car it shifts weird between 1st and 2nd. I brought it back to a different Hyundai dealer as the warranty work was done at another location and they recommended a transmissi...
Engine - filed 2026-09-22
I am reporting an unaddressed, critical safety defect involving the Theta II engine in my 2017 Hyundai Sonata. The engine has developed a severe internal metallic knocking noise consistent with connecting rod bearing failure—the exact manufacturing defect associated with Hyundai's major engine recall campaigns (such as...
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More for the 2017 Hyundai Sonata
Complaints are reports filed by owners with the National Highway Traffic Safety Administration. NHTSA publishes them without verifying them, and counts rise with how many cars were sold, so compare years of the same model rather than different models. Crash ratings are NHTSA's own 5-Star Safety Ratings results.