Sumitomo Tires — Safety & Complaint Data
Source: NHTSA — 91 complaints
91
Total Complaints
4
Crashes
3
Injuries
1
Deaths
Treadwear Rating (How Long They Last)
NHTSA Uniform Tire Quality Grading (2024). Higher treadwear = longer lasting. A tire rated 400 should last twice as long as one rated 200.
482
Average Treadwear
160
Lowest
800
Highest
| Model | Treadwear | Traction | Temperature |
|---|---|---|---|
| HTR Enhance LX2 (T-rating) | 800 | A | B |
| Enhance L/X (T-Rated) | 700 | A | B |
| HTR ENHANCE L/X "T" (standard load) | 700 | A | B |
| HTR Enhance LX2 (H-rating) | 700 | A | A |
| Tour Plus LST | 700 | A | B |
| HTR ENHANCE CX2 | 680 | A | A |
| ENCOUNTER AT | 660 | A | B |
| HTR Enhance LX2 (V-rated sizes) | 660 | A | A |
| ENCOUNTER HT2 (H and V rating) | 640 | A | A |
| ENCOUNTER HT2 (T rating) | 640 | A | B |
| HTR A/S P03 (H and V rating) | 640 | A | A |
| ENCOUNTER HT ("H" rated) | 600 | A | A |
| ENCOUNTER HT ("T" rated) | 600 | A | B |
| Enhance C/X (H & | 600 | A | A |
| Enhance C/X (T-Rated) | 600 | A | B |
| Enhance L/X (H & | 600 | A | A |
| HTR A/S P02 ("H" and | 600 | A | A |
| HTR ENHANCE C/X | 600 | A | A |
| HTR ENHANCE C/X "H,V" | 600 | A | A |
| HTR ENHANCE C/X "T" | 600 | A | B |
| HTR ENHANCE CX2 All other sizes | 600 | A | A |
| HTR ENHANCE L/X "H, V" (standard load) | 600 | A | A |
| TOUR LXH (Standard Load) | 600 | A | A |
| Tour Plus LSH | 600 | A | A |
| TOUR PLUS LSV | 600 | A | A |
| TOUR PLUS LXH | 600 | A | A |
| TOUR PLUS LXT | 600 | A | B |
| TOUR PLUS LXV | 600 | A | A |
| TOURING LXH | 600 | A | A |
| HTR T4 55, 60, 65, 70 Series e | 560 | A | B |
| TOURING LSV | 560 | A | A |
| HTR A/S P03 (W rating) | 540 | A | A |
| HTR T4 | 520 | A | B |
| HTR TA | 520 | A | B |
| TOURING LST | 520 | A | B |
| TOURING LXT | 520 | A | B |
| HTR A/S P02 ("W" rated) | 500 | A | A |
| HTR ENHANCE WX2 | 500 | A | A |
| HTR A/S P01 | 480 | A | A |
| HTR A/S P01 60, 65 Series | 480 | A | A |
| HTR SPORT H/P | 480 | A | A |
| TOURING LSH | 460 | A | A |
| TOURING LXV | 460 | A | A |
| Enhance L/X (V-Rated) | 440 | A | A |
| Enhance L/X (W-Rated) | 440 | A | A |
| HTR ENHANCE L/X | 440 | A | A |
| HTR ENHANCE L/X "W" (standard load) | 440 | A | A |
| HTR ENHANCE L/X XL (extra load) | 440 | A | A |
| HTR2000 | 440 | A | B |
| TOUR LXH (Extra Load) | 440 | A | A |
| TOUR PLUS LSW | 440 | A | A |
| BC20 (H rating) | 400 | B | A |
| BC20 (T rating) | 400 | B | B |
| ENCOUNTER HT (M version -H,V rated) | 400 | B | A |
| ENCOUNTER HT (M version -T rated) | 400 | B | B |
| HTR H4 | 400 | A | A |
| HTR+ HR & VR | 400 | AA | A |
| HTR200 | 380 | A | A |
| HTR900 | 380 | B | A |
| HTR A/S P01 40, 45, 50, 55 Series | 360 | AA | A |
| HTR ZII | 360 | A | A |
| HTR+ WR | 360 | AA | A |
| HTRZⅡ | 360 | A | A |
| HTR 4 | 320 | A | A |
| HTR Z5 55 Aspect | 320 | A | A |
| HTR Z5 All other sizes | 320 | AA | A |
| BC100 | 300 | B | A |
| BC100 (T rating) | 300 | B | B |
| FP8000 | 300 | AA | A |
| HTR ZIII | 300 | AA | A |
| HTRZⅢ | 300 | AA | A |
| SL850 | 300 | B | B |
| HTR35Z | 160 | A | A |
| HTR40Z | 160 | A | A |
| HTR45Z | 160 | A | A |
| HTR50Z | 160 | A | A |
| HTR55Z | 160 | A | A |
Failure Types
Most common failure modes reported for Sumitomo tires.
Blowout
19
Tread Separation
18
Bead/Sidewall Split
12
Tread Life
10
Traction
5
Other Failure/Road Hazard
3
Tread/Sidewall Wear
1
Most Complained Sumitomo Models
Sumitomo (63)
Unknown (13)
Htrzii (9)
875R165 (2)
Cyclone Radial Gt (2)
Htr A/S P02 (1)
Htr A/S P03 (1)
Sample Complaints
"CONSUMER KEPT HEARING NOISE FROM THE TIRE, THE MECHANIC FOUND THAT THE TIRE WAS SPLITTING IN THE MIDDLE WHICH CAUSED IT TO GO FLAT (SUMITOMO 205X75X14-9SS). NLM"
"THREE TIRES ON THREE OCCASIONS HAVE DEVLLOPED BUBLES ON INSIDE. ONE OF THE TIRES STEEL BELTS HAVE STARTED TO COME OUT. P195-75R14 SIZE. PLEASE PROVIDE FURTHER INFORMATION. *AK"
"P22550R16 HTR4 REPLACEMENT TIRES. CONSUMER STATES THAT THE RIGHT FRONT TIRE BLEW WHILD MAKING A TURNING. CONSUMER LOSS CONTROL OF VEHICLE AND HIT A GUARD RAIL. CAUSE IS UNKNOW. PLEASE PROVIDE ANY FURTHER INFORMATION. MR"
Extend Your Tire Life
With an average treadwear rating of 482, these are moderate-life tires. Regular rotation and proper inflation are key to maximizing their lifespan.
- Check tire pressure monthly and before long trips — underinflation is the leading cause of tire failure
- Rotate tires every 5,000-7,500 miles to ensure even wear
- Get a wheel alignment check annually and after hitting major potholes
- Inspect tread depth regularly — replace at 4/32 inch for wet weather safety
- Avoid rapid acceleration, hard braking, and sharp turns which accelerate wear
- Store seasonal tires in a cool, dry place away from direct sunlight and ozone sources
Looking for a replacement?
Based on the data above, here are relevant options.
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Data source: NHTSA tire complaint data. Public domain.
Complaint counts reflect consumer-reported issues. See our disclaimers.
Data through: 2026-03-28