Dunlop
SP Winter Sport 4D®
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Winter
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Commuter
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Sport Performance
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3PMSF
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Tire Features
4D sipe system increases the number of shoulder area sipes to help enhance braking and acceleration on snow and ice.
4D sipe system has self-interlocking sipes that maintain tread block stiffness to help provide excellent handling.
Entire sipe system combines to create even pressure across the tread face, which helps increase snow handling performance and cornering grip.
V-shape grooves and deep snow notches help enhance snow traction and performance.
Special tread compound helps adhere to wet and icy surfaces.
Tires designed for use in severe snow conditions and meet specific snow performance test requirements.
Warranties & Guarantees
This tire is eligible for our Replacement Limited Warranty, which covers most of our passenger tires with free or prorated-price tire replacement. If you experience noise, vibrations, or roughness with this tire, you may be covered.
Exclusions apply; see full warranty for details.
Full Warranty DetailsFull Specs
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Load Range
XL -
Load Index
99.0 -
Speed Rating
V -
Measured Rim Width (in.)
0.0 -
Section Width (mm)
255 -
Revs Per Mile
0 -
Max Load (lbs)
1709 -
Max Inflation Pressure (PSI)
50 -
Outside Diameter (in.)
0.0 -
Tread Depth (in 32nds)
10 -
Tire Size
255/40R18 -
Approved Rim Width (in.)
0.0-0.0