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Cooper Discoverer Stronghold AT

The Cooper Discoverer Stronghold AT is available in 28 sizes at ExtraBrake. Sizes span 16–20-inch wheels. Prices range from $164.24 to $362.99 per tire ($656.96–$1451.96 per set of four). It is offered as a all-weather tire. Every size carries the 3PMSF severe-snow rating.

28 tires found

Frequently asked questions

How much does the Cooper Discoverer Stronghold AT cost?

At ExtraBrake, Cooper Discoverer Stronghold AT tires run from $164.24 to $362.99 per tire depending on size — $656.96 to $1451.96 for a set of four.

What sizes does the Cooper Discoverer Stronghold AT come in?

We stock 28 sizes, fitting 16-inch through 20-inch wheels. Match the size printed on your driver's door-jamb placard.

Is the Cooper Discoverer Stronghold AT rated for snow?

Yes — every size we stock carries the three-peak mountain snowflake (3PMSF) symbol, meaning they passed a standardised severe-snow traction test.

What warranty does the Cooper Discoverer Stronghold AT carry?

Sizes in this line carry a treadwear warranty of up to 60,000 miles. The exact figure varies by size and is listed on each product page.

What speed ratings are available for the Cooper Discoverer Stronghold AT?

This line is offered in speed ratings R, S, T (R = 106 mph; S = 112 mph; T = 118 mph). Do not fit a tire rated below your vehicle's requirement.