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NHTSA-reported issues for hankook optimo H431
Top issue category: Tires (General)
Most reported: Tires (General) (9) · Sidewall (5) · Tread / Belt (2)
What owners described
Bubble or bulge in the tire appears in 54% of these reports; about 9.1× as often as across all tire complaints. Percentages are shares of the 13 reports filed against the Hankook Optimo H431 across every vehicle it was fitted to that include a written account; a single report can describe more than one problem, so they do not total 100%.
| Reported problem | This subject | All tire complaints | Relative |
|---|---|---|---|
| Bubble or bulge in the tire | 54% | 6% | 9.1× |
| Sidewall failure | 31% | 15% | 2.1× |
| Cracking or dry rot | 15% | 9% | 1.7× |
| Pressure-monitoring (TPMS) fault | 8% | 2% | 3.2× |
Mileage at failure
16 of these reports state an odometer reading. The middle report is at 39,000 miles, with 8 in 10 falling between 5,000 and 50,000 miles.
In owners' own words
Verbatim excerpts from complaints filed with NHTSA about Hankook Optimo H431. Reports are published by NHTSA as filed and are lightly cleaned here only to remove intake codes.
THE CONTACT OWNS A 2011 HYUNDAI SONATA EQUIPPED WITH HANKOOK, TIRE LINE: OPTIMO H431, AND TIRE SIZE: 225/45R 18V TIRES. THE CONTACT STATED THAT THERE WAS A BUBBLE ON THE TIRE. THE CONTACT MENTIONED THAT THE FAILURE WAS IDENTICAL TO A PREVIOUS FAILURE WITH THE ORIGINAL TIRE. THE VEHICLE WAS TAKEN TO THE DEALER WHERE THE TECHNICIAN INFORMED THE CONTACT THAT THE FAILURE WAS A KNOWN ISSUE AND THAT THE TIRE NEEDED TO BE REPLACED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 43,005. UPDATED 08/11/14*LJ THE CONSUMER STATED ALL FOUR TIRES WERE REPLACED AND A NEW HANKOOK. UPDATED 08/13/2014
THE CONTACT OWNS A 2011 HYUNDAI SONATA. THE VEHICLE IS EQUIPPED WITH HANKOOK OPTIMO H431 TIRES, SIZE 225/45R18V. WHILE THE VEHICLE WAS BEING SERVICED FOR AN OIL CHANGE, THE TECHNICIAN NOTICED A BUBBLE ON THE SIDEWALL AND PART OF THE TREAD OF THE FRONT PASSENGER SIDE TIRE. THE CONTACT WAS INFORMED THAT THE TIRE NEEDED TO BE REPLACED. THE CONTACT MADE NUMEROUS ATTEMPTS TO NOTIFY THE MANUFACTURER, BUT HE DID NOT RECEIVE A RETURN PHONE CALL. THE TIRE WAS NOT REPAIRED. THE TIRE FAILURE MILEAGE WAS 42,000 AND THE VEHICLE FAILURE MILEAGE WAS 46,000.
THE CONTACT OWNS A 2011 HYUNDAI SONATA EQUIPPED WITH OPTIMA H431 TIRES, SIZE P225/45/R18 95V. ALL FOUR TIRES USED NITROGEN GAS AND HOT AIR. THE CONTACT STATED THAT SHE CONSTANTLY HAD TO REFILL THEM WITH THE NITROGEN GAS (AT LEAST TEN TIMES). THE TIRE PRESSURE MONITORING SYSTEM LIGHT CONTINUED TO ILLUMINATE. THE CONTACT CALLED THE DEALER AND MANUFACTURER WHO OFFERED NO ASSISTANCE. THE FAILURE MILEAGE WAS APPROXIMATELY 4,800.
THE CONTACT OWNS A 2012 KIA OPTIMA EQUIPPED WITH HANKOOK OPTIMO H431 TIRES, SIZE 225/45R 18V. WHILE DRIVING 20 MPH, THE TIRE GAUGE INDICATOR ILLUMINATED. AN INDEPENDENT MECHANIC FOUND AN AIR BUBBLE IN THE REAR DRIVER SIDE TIRE. THE TIRE WAS NOT REPLACED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE VIN AND DOT NUMBER WERE UNAVAILABLE. THE APPROXIMATE VEHICLE FAILURE MILEAGE WAS 36,000 AND THE TIRE FAILURE MILEAGE WAS 7,000.
Complaints are voluntarily submitted to the NHTSA Office of Defects Investigation and are not verified by NHTSA; they represent owner-reported problems, not proven defects. Counts can be useful as a relative quality signal across comparable tires or vehicles.
Specs
| Brand | Hankook |
|---|---|
| Model | Optimo H431 |
| Season | N/A |
| Type | N/A |
| UTQG treadwear | N/A |
| UTQG traction | N/A |
| UTQG temperature | N/A |
| Mileage warranty | N/A |
| Noise (dB) | N/A |
| Introduced | N/A |
Live prices
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Available sizes (0)
Size data being verified.
Hankook optimo H431: what the numbers tell you
Manufacturer treadwear data for the Optimo H431 is not publicly listed. This is common for OEM-only or track-day tires that don't carry a US treadwear warranty. No mileage warranty is published for this tire, which is typical for performance summer and track-day rubber where the manufacturer doesn't make wear-life claims.
Cabin noise data for this tire is not published by the manufacturer. As a general tire built for the passenger segment, the Optimo H431 is positioned against direct rivals within the same category. Comparing it to a tire in a different category (e.g. summer vs all-season) makes the spec sheet misleading because the design targets are not the same.
The Hankook Optimo H431 has been part of Hankook's catalog since its introduction, and remains a current-production model.
For an apples-to-apples comparison against direct rivals, see the comparison pages linked from this tire's brand index.
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Last verified 2026-10-07.