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NHTSA-reported issues for hankook optimo H426
Top issue category: Tires (General)
Most reported: Tires (General) (30) · Sidewall (16) · Tread / Belt (6) · Bead (1) · TPMS (1)
What owners described
Bubble or bulge in the tire appears in 43% of these reports; about 7.3× as often as across all tire complaints. Percentages are shares of the 44 reports filed against the Hankook Optimo H426 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 | 43% | 6% | 7.3× |
| Sidewall failure | 39% | 15% | 2.6× |
| Pressure-monitoring (TPMS) fault | 16% | 2% | 6.6× |
| Tread or belt separation | 9% | 13% | 0.7× |
| Loss of control, rollover or collision | 5% | 8% | 0.5× |
| Blowout or sudden deflation | 2% | 20% | 0.1× |
Mileage at failure
41 of these reports state an odometer reading. The middle report is at 19,727 miles, with 8 in 10 falling between 4,000 and 31,100 miles.
In owners' own words
Verbatim excerpts from complaints filed with NHTSA about Hankook Optimo H426. Reports are published by NHTSA as filed and are lightly cleaned here only to remove intake codes.
THE CONTACT OWNS A 2012 HYUNDAI ELANTRA EQUIPPED WITH HANKOOK OPTIMO H426 TIRES, SIZE 215/45/17. THE CONTACT STATED THAT WHILE DRIVING VARIOUS SPEEDS, THE TIRE PRESSURE MONITORING SYSTEM WARNING LIGHT ILLUMINATED. THE CONTACT NOTICED THAT THE FRONT DRIVER'S SIDE TIRE EXHIBITED A BUBBLE IN THE SIDEWALL. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE THE DEFECTIVE TIRE WAS REPLACED. THE MECHANIC ALSO DETECTED A TEAR IN THE SIDEWALL OF THE REAR PASSENGER'S SIDE TIRE. A SEALANT WAS APPLIED TO THE TIRE AS A PRECAUTION. THE MANUFACTURER WAS NOT NOTIFIED OF THE DEFECT. THE APPROXIMATE FAILURE MILEAGE WAS 26,000.
MY HYUNDAI ELANTRA GT CAME WITH HANKOOK OPTIMO H426 215R45 17 TIRES. THESE ORIGINAL TIRES HAD LESS THAN 29,000 MILES ON THEM AT THE TIME THE DEFECT WAS NOTICED. THE FRONT DRIVER SIDE TIRE HAD DEVELOPED A SERIOUS DEFECT/BULGE IN THE SIDEWALL AND HAD TO BE REPLACED IMMEDIATELY AS THE TIRE COULD FAIL AND CAUSE VEHICLE LOSS OF CONTROL AND POTENTIALLY AN ACCIDENT THAT COULD CAUSE INJURY.
THE CONTACT OWNS A 2013 CHEVROLET SONIC EQUIPPED WITH HANKOOK OPTIMO H428 (NA) TIRES, SIZE P195/65R15 (NA). THE CONTACT STATED THAT ALL FOUR FACTORY TIRE SIDEWALLS WERE SEVERELY CRACKED AND THE FRONT PASSENGER TIRE THREAD HAD BEGUN TO SEPARATE. THE CONTACT NOTIFIED GM AND HANKOOK OF THE FAILURE. ONLY THE FRONT PASSENGER SIDE TIRE WAS REPLACED. THE VEHICLE AND TIRE FAILURE MILEAGE WAS 11,000.
THE CONTACT OWNS A 2013 HONDA CIVIC EQUIPPED WITH HANKOOK OPTIMO H426 TIRES, SIZE: P205/55R16. WHILE DRIVING AT VARIOUS SPEEDS, THERE CONTACT NOTICED UNEVEN MOVEMENT IN THE TIRES. AFTER INSPECTING THE VEHICLE, THE CONTACT DISCOVERED THAT THE TIRE TREAD WAS SEPARATING IN ALL THE TIRES. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE IT WAS CONFIRMED THAT THE TREAD SEPARATED FROM ALL FOUR TIRES. THE TIRES WERE NOT REPLACED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE VEHICLE AND TIRE FAILURE MILEAGE WAS 24,469.
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 H426 |
| Season | N/A |
| Type | N/A |
| UTQG treadwear | 380 |
| UTQG traction | A |
| UTQG temperature | A |
| Mileage warranty | N/A |
| Noise (dB) | N/A |
| Introduced | N/A |
Live prices
Live prices for this tire are being verified. Use the shop links below to compare across our online retailer partners.
Available sizes (48)
- 175/65R15
- 185/60R15
- 195/65R15
- 195/50R16
- 195/55R16
- 215/60R16
- 205/45R17
- 215/45R17
- 225/40R18
- 255/45R20
- 175/65R14
- 185/60R14
- 185/65R14
- 185/65R15
- 195/55R15
- 195/60R14
- 195/60R15
- 195/60R16
- 205/50R16
- 205/55R16
- 205/60R15
- 205/60R16
- 205/65R15
- 205/65R16
- 215/50R17
- 215/55R16
- 215/55R17
- 215/60R15
- 225/45R18
- 225/50R16
- 225/50R17
- 225/55R16
- 225/55R17
- 225/55R18
- 225/55R19
- 225/60R16
- 225/60R18
- 235/45R18
- 235/50R18
- 235/55R17
- 235/55R18
- 245/40R19
- 245/45R18
- 245/45R19
- 245/50R17
- 245/50R18
- 255/50R20
- 275/40R19
Hankook optimo H426: what the numbers tell you
At UTQG 380, the Optimo H426 sits in the mid-life performance tier. Tread life will typically run 25,000-40,000 miles on most vehicles before the wear bars are reached. 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 H426 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.
Introducing the Hankook Optimo H426, a high-performance tire designed to deliver exceptional performance and a comfortable driving experience. Whether you're navigating city streets or embarking on long highway journeys, this tire is engineered to provide optimal performance in various road conditions. Built with advanced technology and superior materials, the Hankook Optimo H426 offers enhanced traction, excellent handling, and improved stability. Its unique tread pattern is designed to maximize grip on both wet and dry surfaces, ensuring confident maneuvering and reduced risk of hydroplaning. This makes it an ideal choice for all-season driving, allowing you to tackle changing weather conditions with ease. The Optimo H426 features a durable construction that ensures long-lasting performance and a smooth ride. Its high-quality tread compound provides exceptional traction and offers excellent tread life, promoting even wear and extending the lifespan of the tire. This durability makes the Optimo H426 a cost-effective choice, providing value for your investment. In addition to its impressive performance capabilities, the Hankook Optimo H426 is designed with driver comfort in mind. Its advanced noise reduction technology minimizes road noise, resulting in a quieter and more enjoyable ride. The tire's responsive handling and precise steering response contribute to a smooth and controlled driving experience. Furthermore, the Optimo H426 is designed to provide improved fuel efficiency, helping you save on fuel costs while reducing your carbon footprint. Its low rolling resistance design ensures minimal energy loss, allowing your vehicle to glide effortlessly on the road. With the Hankook Optimo H426, you can experience the perfect balance of performance, comfort, and durability. Whether you're driving in the city or embarking on a long road trip, this tire is engineered to deliver outstanding performance and a comfortable ride, making it an excellent choice for drivers seeking reliability and quality. Choose the Hankook Optimo H426 and elevate your driving experience to new heights.
For an apples-to-apples comparison against direct rivals, see the comparison pages linked from this tire's brand index.
OEM fitment
Vehicles that ship with this tire
2011
Toyota aqua
175/65R15
2013
Toyota aqua
175/65R15
2012
Toyota aqua
175/65R15
2015
Toyota aqua
175/65R15
2016
Toyota aqua
175/65R15
2017
Toyota aqua
175/65R15
2014
Toyota aqua
175/65R15
2013
Toyota corolla axio
175/65R15
2014
Toyota corolla axio
175/65R15
2016
Toyota corolla axio
175/65R15
2018
Toyota corolla axio
175/65R15
2017
Toyota corolla axio
175/65R15
Recommended for this vehicle
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Last verified 2026-10-07.