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255 Width /
55 Ratio /
R 18 Diameter
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all-season

Discoverer® AT3 4S™

3PMSF Logo

Fits SUVs and Trucks

  • Keep confident on wet roads with maximum grip and handling 
  • On-road comfort and off-road durability mean the best of both worlds
  • ​Severe Weather Rated for performance in snowy conditions

all-season

Discoverer® AT3 4S™

3PMSF Logo

Fits SUVs and Trucks

  • Keep confident on wet roads with maximum grip and handling 
  • On-road comfort and off-road durability mean the best of both worlds
  • ​Severe Weather Rated for performance in snowy conditions
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Tires to tackle tough weather.

You might not know this, but the Discoverer AT3 4S tire has a middle name – versatility.

Whether you want to chase adventure through off-road trails or take longer highway commutes, you can do it all. Plus, it can handle severe weather. In short, the Discoverer AT3 4S helps you do what you want, when you want.

Tires to tackle tough weather.

You might not know this, but the Discoverer AT3 4S tire has a middle name – versatility.

Whether you want to chase adventure through off-road trails or take longer highway commutes, you can do it all. Plus, it can handle severe weather. In short, the Discoverer AT3 4S helps you do what you want, when you want.

Tire specifications

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Discoverer AT3 4S Reviews

Cooper Tire Warranties

Discoverer® AT3 4S™ comes with a Premium Limited Warranty.

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Warranty protection

Treadwear Protection

The Discoverer AT3 4S is protected up to 65,000 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 Tires 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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