Toyo Open Country A/T III vs Cooper Discoverer Road+Trail AT tires

In a short time, Toyo tires managed to gain immense popularity among North American off-roading enthusiasts due to its sturdy, tough, and long-lasting tires that conquer challenging terrains without burning a hole in your pocket. In comparison, the legendary Cooper has been selling tires in the US for over a century. Both brands offer excellent quality all-terrain tires for SUVs and light trucks that deliver exceptional performance and control on and off the road. The Open Country A/T III and Discoverer Road+Trail AT go head-to-head in today’s comparison to help you pick the right option for your daily needs.

Engineered for Jeeps, SUVs, and light trucks, the Toyo Open Country A/T III and Cooper Discoverer Road+Trail AT are excellent replacement all-terrain tire options if you are looking for exceptional traction, grip, durability, and longer tread life. While their special construction and reinforced carcass help them nudge difficult terrains, their new rubber compound resists cuts and chips for enhanced durability. Backed by limited manufacturer tread life warranties, both tires offer dependable performance. Confused between the two? Let us compare Toyo Open Country A/T III vs. Cooper Discoverer Road+Trail AT tires based on our proprietary SimpleScore.

Toyo Open Country A/T III tires

Launched in 2020, the Toyo Open Country A/T III offers an optimized tread pattern that not only reduces road noise and vibrations for a comfortable ride but also improves braking distance and wet performance. While the new rubber compound and aggressive tread design improve wet handling, traction, and off-road grip, the efficient void area pushes water, sand, slush, and mud out of the tread to reinstate traction in different terrain conditions. The presence of 3D multi-wave sipes provides extra biting edges for improved performance in wet and snowy conditions. Thanks to the lateral grooves and stone ejectors, the Open Country A/T III resists hydroplaning by clearing water and debris, stones, and rocks from the tread to maintain consistent traction. This Three Peak Mountain Snowflake certified tire is backed by an up-to- 65,000 mile limited manufacturer tread life warranty.

Boasting an excellent overall SimpleScore of 9.3 out of 10, the Toyo Open Country A/T III returns confident cornering, control, traction, braking, and off-road performance around the year.

Cooper Discoverer Road+Trail AT tires

Introduced in 2023, the Cooper Discoverer Road+Trail AT features a durable tread pattern that resists cuts, chips, cracks, and tears on challenging trails. While the winter grip technology with interlocking tread lugs boosts traction and stability in snow-covered regions, the EnduraGuard's durable internal construction promotes even tread wear throughout its life. The Three Peak Mountain Snowflake certification assures superior winter performance in heavy ice and snow. Thanks to the optimized tread pattern, the Discoverer Road+Trail AT delivers a quiet and comfortable ride quality. It is backed by a 65,000 mile limited manufacturer tread life warranty.

With a fantastic overall SimpleScore of 8.8, the Cooper all-terrain tire promises great on-road and off-road prowess with dependable durability, longevity, and year-round performance.

Toyo Open Country A/T III vs Cooper Discoverer Road+Trail AT tires on traction

Traction ensures the tire remains in constant contact with the surface and does not skid. Whether all-season or all-terrain tire type, traction plays a vital role in ensuring all-around safety with consistent performance.

Scoring an 8.5, the Discoverer Road+Trail AT comes with rugged interlocking tread blocks for enhanced control and grip on uneven terrains. While the winter grip technology with connected center tread lugs boosts traction and stability in snowy regions, the extending traction shoulders provide extra grip on soft surfaces.

Returning an exceptional 9.7, the Open Country A/T III features an excellent tread-to-void ratio that provides extra biting edges and quickly channels water, mud, and slush out of the tread to resist hydroplaning and boost wet performance. Thanks to the aggressive staggered shoulder lugs, the Toyo tire gets extra off-road grip and traction when tackling unpaved roads.

With a superior traction score, the Cooper stands nowhere near the Toyo tire.

ADVANTAGE: Toyo Open Country A/T III

Toyo Open Country A/T III vs Cooper Discoverer Road+Trail AT tires on handling

Handling defines the steering response and control you have over your vehicle. Better handling guarantees a better driving experience every time. Both tires promise great control and handling performance.

With a superb 9.0 handling score, the Open Country A/T III provides superior dry and wet handling, courtesy of the advanced rubber compound. The increased block rigidity and optimized void-to-tread ratio provide excellent control and balance on paved and unpaved roads.

At 8.1, the Discoverer Road+Trail AT has a decent handling score thanks to the optimized tread design with multiple sipes and a solid shoulder pattern. Also, the interlocking central tread elements boost stability and handling performance on paved roads.

With a huge margin, the Open Country A/T III dominates the handling section, too.

ADVANTAGE: Toyo Open Country A/T III

Toyo Open Country A/T III vs Cooper Discoverer Road+Trail AT tires on longevity

The longer service life of a tire, in terms of miles or years, defines the value you will get out of the tire. All-terrain tires usually have a decent amount of tread life compared to mud-terrain or rugged-terrain tires.

The Toyo Open Country A/T III scores lower (9.6) in longevity than the Cooper. Thanks to the stone ejecting blocks, the Toyo tire removes debris, mud, rocks, and stones from the tread, while the 3D multi-wave sipes boost even wear and resist uneven wear. It is backed by an up-to-65,000 mile limited manufacturer tread life warranty (50,000 miles for LT-metric sizes).

Similarly, the Discoverer Road+Trail AT, with an excellent longevity score of 9.8, features an EnduraGuard design that entails a reinforced construction for maintaining the tire shape while traversing difficult terrains. Backed by a 65,000-mile limited manufacturer tread life warranty, the Cooper has an advanced rubber compound that helps it last long.

Boasting a spectacular 9.8 longevity score, the Cooper tire wins the longevity battle quite comprehensively.

ADVANTAGE: Cooper Discoverer Road+Trail AT

When to use each

All-terrain tires offer great usability on paved and unpaved roads as they bear an advanced rubber compound that resists cuts and chips while also lending enhanced comfort and handling on highway and street roads. Both Toyo and Cooper tires offer decent on- and off-road attributes.

However, if you encounter muddy, swampy, gravel, or sand, you should opt for mud-terrain tires, as they feature large tread blocks for optimum traction. The trade-offs with MT tires are their high noise and limited tread life.

Which one should you choose?

To sum up, the Toyo Open Country A/T III scores way too high in traction and handling over the Cooper Discoverer Road+Trail AT, while, it loses comprehensively in longevity to the Cooper tire. So, if your checklist rates grip, traction, and handling more than anything else, you should go for the Open Country A/T III, while if you rate longevity higher, the Discoverer Road+Trail AT should be your choice. Let’s check out their prices.

For the LT265/70R17 size, the Toyo costs $241 per tire, while four tires cost $964. Similarly, the Yokohama costs $214 per tire, with four tires being priced at $856. The difference between them on four tires is $108.

You should go for the Toyo Open Country A/T III if you:

• Drive vehicles like the Jeep Cherokee, Chevrolet Silverado 1500, and Toyota 4Runner
• Prefer enhanced traction (9.7 vs. 8.5)
• Want better handling (9.0 vs. 8.1)

Similarly, you should opt for the Cooper Discoverer Road+Trail AT if you:

• Drive vehicles like the Toyota Tacoma, Ford Expedition, and Dodge Ram 1500.
• Want a tire that lasts long (9.8 vs. 9.6)
• Prefer a tire design with narrow grooves

Still not sure which tire to buy? Fortunately, SimpleTire is here to help, and our helpful agents will be more than happy to assist you in selecting the right tire for your ride and budget.