Cooper
Discoverer® Rugged Trek®
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All-Season
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60k mi Warranty
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3PMSF
Does this tire fit your vehicle?
Enter your vehicle or tire size information first to see if this tire fits. Then you’ll be able to take a look at relevant, detailed specs.
Tire Features
The Rough Terrain™ tread pattern offers tough style and extra grip when you venture off the highway.
Earth Diggers™ Technology digs deeper into mud, sand or dirt with large shoulder scoops and lugs.
Stable Trac™ Technology with omni-directional, micro gauge siping enhances traction on roads and rough surfaces.
Whisper Grooves™ Technology provides sound barrier that makes for a more peaceful, quiet ride.
Tires designed for use in severe snow conditions and meet specific snow performance test requirements.
Warranties & Guarantees
Our satisfaction pledge gives you 45 days to decide whether to keep select tires or exchange them for a different set of tires.
Exclusions apply; see full warranty for details.
Learn MoreThis tire is eligible for the Standard Limited Warranty.
Exclusions apply; see full warranty for details.
Learn MoreWe know you want to get the most out of your tires. That’s why we confidently back this tire with a warranty that helps protect you in the case of premature treadwear.
60,000 mi./ 90,000 kmExclusions apply; see full warranty for details.
Learn MoreFull Specs
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Load Range
XL -
Load Index
116.0 -
Speed Rating
T -
Uniform Tire Quality Guage (UTQG)
600/A/B -
Measured Rim Width (in.)
7.5 -
Section Width (mm)
255 -
Revs Per Mile
639 -
Max Load (lbs)
2756 -
Max Inflation Pressure (PSI)
50 -
Outside Diameter (in.)
32.44 -
Tread Depth (in 32nds)
16 -
Tire Size
255/70R18 -
Approved Rim Width (in.)
6.5-8.5