Cooper

Discoverer® STT Pro™

Rated 4.325 out of 5 stars
  • All-terrain
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.

Warranties & Guarantees

Cooper 45-Day Satisfaction Guarantee

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 More
Standard Limited Warranty

This tire is eligible for the Standard Limited Warranty.

Exclusions apply; see full warranty for details.

Learn More
Tire Specifications
Tire Specifications

Full Specs

Rim Diameter
Tire Size
  • Load Range

    E
  • Load Index

    123.0
  • Speed Rating

    Q
  • Measured Rim Width (in.)

    8.0
  • Section Width (mm)

    275
  • Revs Per Mile

    642
  • Max Load (lbs)

    3415
  • Max Inflation Pressure (PSI)

    80
  • Outside Diameter (in.)

    32.28
  • Tread Depth (in 32nds)

    19.0
  • Tire Size

    275/65R18
  • Approved Rim Width (in.)

    7.5-9.0