NHTSA-reported issues for sumitomo HTR Z5 225/45R17
Top issue category: Tires (General)
Most reported: Tires (General) (48) · Tread / Belt (17) · Sidewall (12) · Valve (8) · Bead (5)
What owners described
Cracking or dry rot appears in 27% of these reports; about 2.9× as often as across all tire complaints. Percentages are shares of the 74 reports covering every model year of the Sumitomo 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 |
|---|---|---|---|
| Cracking or dry rot | 27% | 9% | 2.9× |
| Blowout or sudden deflation | 18% | 20% | 0.9× |
| Bubble or bulge in the tire | 18% | 6% | 3.0× |
| Sidewall failure | 14% | 15% | 0.9× |
| Tread or belt separation | 8% | 13% | 0.6× |
| Loss of control, rollover or collision | 8% | 8% | 1.0× |
Mileage at failure
63 of these reports state an odometer reading. The middle report is at 50,320 miles, with 8 in 10 falling between 5,000 and 128,000 miles.
In owners' own words
Verbatim excerpts from complaints filed with NHTSA about Sumitomo. Reports are published by NHTSA as filed and are lightly cleaned here only to remove intake codes.
THE CONTACT OWNS A 2013 FOREST RIVER SURVEYOR SPORT RV EQUIPPED WITH SUMITOMO TOWMAX POWER KING TIRES, SIZE 205-75-R14 (N/A). THE CONTACT STATED THAT WHILE HE DROVE AT 60 MPH, THE PASSENGER REAR TIRE TREAD SEPARATED. THE CONTACT WAS ABLE TO COAST OFF THE HIGHWAY INTO A SAFE AREA WHERE THE TIRE WAS REPLACED. THE VIN AND DOT NUMBER WAS NOT AVAILABLE. THE FAILURE MILEAGES WERE 2,500.
ONE TIRE SHREDDED AT 70 MPH WITH LESS THAN 12,000 MILES ON THEM. HAD FULL PRESSURE ONE MOMENT AND FAILED THE NEXT. I NOTICED ALL 3 OTHER TIRES DEVELOPED BUBBLES CLOSE TO THE TREAD AND 2 OTHERS STARTED LEAKING A WEEK LATER. SUMITOMO DEALER LOCALLY REFUSED TO REPLACE OR HONOR WARRANTY.
THE CONTACT OWNS A 2007 NISSAN VERSA EQUIPPED WITH SUMITOMO, TIRE LINE: TOURING LS TIRE SIZE: 185/65/R15 TIRES. THE CONTACT STATED THAT WHILE DRIVING 50 MPH, THE VEHICLE STARTED TO MAKE AN ABNORMAL THUMPING NOISE. THE CONTACT MERGED TO THE SIDE OF THE ROAD IN ORDER TO INSPECT THE VEHICLE. AFTER INSPECTING THE VEHICLE, THE CONTACT NOTICED THAT THE REAR PASSENGER'S SIDE TIRE TREAD HAD SEPARATED AND THE PIECE THAT HUNG OFF WAS HITTING THE VEHICLE. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC. THE TECHNICIAN CONFIRMED THAT THE TREAD HAD SEPARATED DUE TO LACK OF AIR IN THE TIRE. THE TIRE WAS NOT REPLACED. NEITHER THE VIN NOR THE DOT NUMBERS WERE AVAILABLE. THE VEHICLE FAILURE MILEAGE WAS 71,950. THE TIRE FAILURE MILEAGE WAS 5,000.
THE CONTACT OWNS A 2007 NISSAN VERSA EQUIPPED WITH SUMITOMO, TIRE LINE: TOURING LS TIRE SIZE: 185/65/R15 TIRES. THE CONTACT STATED THAT WHILE DRIVING 50 MPH, THE VEHICLE STARTED TO MAKE AN ABNORMAL THUMPING NOISE. THE CONTACT MERGED TO THE SIDE OF THE ROAD IN ORDER TO INSPECT THE VEHICLE. AFTER INSPECTING THE VEHICLE, THE CONTACT NOTICED THAT THE REAR PASSENGER'S SIDE TIRE TREAD HAD SEPARATED AND THE PIECE THAT HUNG OFF WAS HITTING THE VEHICLE. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC. THE TECHNICIAN CONFIRMED THAT THE TREAD HAD SEPARATED DUE TO LACK OF AIR IN THE TIRE. THE TIRE WAS NOT REPLACED. NEITHER THE VIN NOR THE DOT NUMBERS WERE AVAILABLE. THE VEHICLE FAILURE MILEAGE WAS 71,950. THE TIRE FAILURE MILEAGE WAS 5,000.
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 | Sumitomo |
|---|---|
| Model | HTR Z5 225/45R17 |
| 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 (1)
Sumitomo HTR Z5 225/45R17: what the numbers tell you
Manufacturer treadwear data for the HTR Z5 225/45R17 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 HTR Z5 225/45R17 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 Sumitomo HTR Z5 225/45R17 has been part of Sumitomo'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.
OEM fitment
Vehicles that ship with this tire
2023
Toyota allion
225/45R17
2024
Toyota allion
225/45R17
2022
Toyota allion
225/45R17
2021
Toyota allion
225/45R17
2025
Toyota allion
225/45R17
2017
Toyota auris
225/45R17
2010
Toyota blade
225/45R17
2008
Toyota blade
225/45R17
2007
Toyota blade
225/45R17
2011
Toyota blade
225/45R17
2006
Toyota blade
225/45R17
2012
Toyota blade
225/45R17
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Last verified 2026-09-02.