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255 Width /
55 Ratio /
R 18 Diameter
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Located on the driver’s side dashboard and viewable through the windshield.

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all-season

Discoverer® AT3 XLT™

3PMSF Select sizes only. Contact retailer for details.

Fits Trucks

  • Beefy traction shoulders grip to tough terrain for enhanced off-road control
  • Built for heavy hauling and towing
  • A long-lasting tire backed by an outstanding 60,000-mile treadwear warranty

all-season

Discoverer® AT3 XLT™

3PMSF Select sizes only. Contact retailer for details.

Fits Trucks

  • Beefy traction shoulders grip to tough terrain for enhanced off-road control
  • Built for heavy hauling and towing
  • A long-lasting tire backed by an outstanding 60,000-mile treadwear warranty
60,000 MI
45 Day Road Test
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60,000 MI
45 Day Road Test
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Tires for true pickup truck capability.

Maximized Towing. Ultimate hauling. Incredible durability. Need we say more?

The Discoverer AT3 XLT tire is built to handle heavy loads or tow some serious weight while providing a smooth ride on highways. Plus, its construction offers the durability, traction and power to help bring the true utility out of your pickup truck.

Discoverer® AT3 XLT™

Tires for true pickup truck capability.

Maximized Towing. Ultimate hauling. Incredible durability. Need we say more?

The Discoverer AT3 XLT tire is built to handle heavy loads or tow some serious weight while providing a smooth ride on highways. Plus, its construction offers the durability, traction and power to help bring the true utility out of your pickup truck.

Wet Grip

Treadwear

Steering Response

Ride Comfort

Winter Grip

Quiet Ride

Rough Roads

Dry Grip

Trail Performance

*When compared to other Cooper® tires.

Tire specifications

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Discoverer AT3 XLT Reviews

Cooper Tire Warranties

Discoverer® AT3 XLT™ comes with a Premium Limited Warranty.

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Mileage Warranty

Treadwear Protection

The Discoverer AT3 XLT is protected up to 60,000 Miles Treadwear Protection Warranty.

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45-Day Test Drive

45-Day Test Drive

Need time to make sure these tires are the right ones for your vehicle? Cooper Tire offers a 45-Day Test Drive to test out your new tires.

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Mastering the art and science of tires for 100+ years.

At Cooper, we’ve spent over a century building quality tires that are made to last. Our team of dedicated engineers are the forefront of the latest tire technology, always looking for new ways to heighten the way you drive. Incredible performance, reliable safety and a price that won’t break the bank. That’s what you can expect from Cooper Tire.

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