Sumitomo ST520 Commercial
Sumitomo's ST520 is a tough, retreadable all-position commercial tire that's equally capable on or off the pavement. The ST520 is designed with a wide footprint and an open shoulder, and grooves and sipes that help expel water and slush to boost traction year-round. Features & Benefits Steel belted construction increases strength and durability Cut and chip resistant tread compound protects the tire from damage Designed for use on all positions of commercial trucks in on- and off-road applicaions Stone ejectors built into grooves to protect casing from damage and allow for consistent traction Wide footprint puts more rubber on the road to boost stability and fend off uneven wear
NHTSA-reported issues for Sumitomo Sumitomo ST520 Commercial
Top issue category: Tires (General)
Most reported: Tires (General) (45) · Tread / Belt (16) · Sidewall (11) · Valve (8) · Bead (4)
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 | Sumitomo ST520 Commercial |
| Season | winter |
| Type | truck-suv |
| 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.
Sumitomo Sumitomo ST520 Commercial: what the numbers tell you
Manufacturer treadwear data for the Sumitomo ST520 Commercial 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 winter tire built for the truck-suv segment, the Sumitomo ST520 Commercial 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.
Sumitomo's ST520 is a tough, retreadable all-position commercial tire that's equally capable on or off the pavement. The ST520 is designed with a wide footprint and an open shoulder, and grooves and sipes that help expel water and slush to boost traction year-round. Features & Benefits Steel belted construction increases strength and durability Cut and chip resistant tread compound protects the tire from damage Designed for use on all positions of commercial trucks in on- and off-road applicaions Stone ejectors built into grooves to protect casing from damage and allow for consistent traction Wide footprint puts more rubber on the road to boost stability and fend off uneven wear
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 2026-05-21.