Sumitomo ST518 Commercial
The Sumitomo ST518 is a commercial tire that's tough enough for use on or off the pavement. The ST518 is designed with wide grooves to resist hydroplaning, a tough inner liner that protects the tire's steel belts from corrosion, and Sumitomo's C.V.S.T technology that limits flex and stress on the tire's structure in rough use. Features & Benefits Designed for use on all positions of commercial trucks in on- and off-road applicaions Wide grooves remove water from the tread to reduce the risk of hydroplaning on wet roads All-steel belt casing increases strength and durability Stone ejectors built into grooves to protect casing from damage and allow for consistent traction Built with Sumitomo's C.V.S.T technology that limits flex and stress on the tire in rough use
NHTSA-reported issues for Sumitomo Sumitomo ST518 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 ST518 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 ST518 Commercial: what the numbers tell you
Manufacturer treadwear data for the Sumitomo ST518 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 ST518 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.
The Sumitomo ST518 is a commercial tire that's tough enough for use on or off the pavement. The ST518 is designed with wide grooves to resist hydroplaning, a tough inner liner that protects the tire's steel belts from corrosion, and Sumitomo's C.V.S.T technology that limits flex and stress on the tire's structure in rough use. Features & Benefits Designed for use on all positions of commercial trucks in on- and off-road applicaions Wide grooves remove water from the tread to reduce the risk of hydroplaning on wet roads All-steel belt casing increases strength and durability Stone ejectors built into grooves to protect casing from damage and allow for consistent traction Built with Sumitomo's C.V.S.T technology that limits flex and stress on the tire in rough use
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.