Cooper Discoverer AT3 4S Review: A Multipurpose All-Terrain Tire

2012 Lexus GX 460 on sand with Cooper Discoverer AT3 4S tires showcasing all-terrain capability.

If you are looking for a tire that can handle any road and weather conditions. In that case, consider the Cooper Discoverer AT3 4S. This tire can provide excellent performance and durability on and off-road surfaces and in wet and snowy conditions. This tire is part of the Cooper Discoverer AT3 family, which includes the AT3 LT for heavy-duty trucks and the AT3 XLT for extreme off-roading. The AT3 4S, as the name suggests, is designed for four seasons of driving, with a particular focus on winter performance. In this essay, we will review the features, benefits, and drawbacks of the Cooper Discoverer AT3 4S tire and help you decide if it is the right choice for your vehicle.

Specification

The Cooper Discoverer AT3 4S tire is an all-terrain, all-season tire that fits SUVs and trucks. It has the following technical specifications:

Close-up view of Cooper Discoverer AT3 4S tire, revealing detailed tread pattern and quality craftsmanship.

Size: The tire is available in multiple sizes, with dimensions ranging from 215 to 285 mm in width and 15 to 20 inches in diameter.

Load Index: The tire has a load index of 100 to 121, which means it can carry a maximum load of 1764 to 3197 lbs per tire.

Speed Rating: The tire can travel up to 118 mph because it has a speed rating of T.

Tread Depth: The tire has a tread depth of 12.5/32 of an inch, which is more profound than most all-season tires and provides better traction and wear resistance.

Weight: The tire weighs between 29 and 50 lbs, depending on the size, which is slightly heavier than average and might affect your vehicle’s fuel efficiency and handling.

Warranty: The tire comes with a treadwear warranty of 65,000 miles, which is longer than most all-terrain tires and shows the manufacturer’s confidence in the tire’s quality and durability.

Cooper Discoverer AT3 4S Tire Fitments

Subaru Outback with Cooper Discoverer AT3 4S tires

The tire can fit various SUVs and light trucks, such as the Ford F-150, Toyota Tacoma, Jeep Wrangler, Chevrolet Silverado, Honda CR-V, and the Nissan Pathfinder.

However, the Cooper Discoverer AT3 4S tire size may only fit some SUVs and light trucks. So, checking the tire size compatibility with your vehicle model before purchasing is essential.

Check the availability of Cooper Discoverer AT3 4S tire sizes for your vehicle on Amazon. Utilize the filter option and enter your car’s name, model, or tire size to ensure availability and find the perfect fit.

Price

The price range of the Cooper Discoverer AT3 4S tire varies based on tire size and retailer, and the AT3 4S is generally affordable and competitive compared to similar tires in its category. You should budget between $100 and $200 for each tire, which is cheaper than the Michelin Defender LTX M/S ($150-$300), the Goodyear Wrangler All-Terrain Adventure ($150-$250), and the Continental TerrainContact A/T ($150-$250).

Cooper Discoverer AT3 4S Features and Performance Review

The Cooper Discoverer AT3 4S tire has several features that make it stand out from other tires in its category, such as:

Adaptive-Traction Technology

This technology allows the tire to adapt to different road and weather conditions using a silica-based compound and a unique tread design. The combination enhances the grip and handling of the tire on wet and dry roads, while the tread design features deep center grooves, saw-tooth edges, and 3D micro-gauge sipes. These elements help to reduce hydroplaning, improve snow traction, and prevent stone retention.

Severe Weather Rating

The Cooper Discoverer AT3 4S tire has a severe weather rating, which means it meets the industry standards for performance in snowy conditions. The tire has been tested and approved for use in heavy snow conditions, as evidenced by the three-peak mountain snowflake (3PMSF) symbol on its sidewall.

Durability and Comfort

The Cooper Discoverer AT3 4S tire is built to last, with robust construction and a treadwear warranty of 65,000 miles. The tire also offers a smooth and quiet ride, thanks to its even tread wear and noise-reducing technology.

Cooper Discoverer AT3 4s all-terrain performance

The Cooper Discoverer AT3 4S tire performs well on both on-road and off-road.

Ford F-150 off-road on a trail equipped with Cooper Discoverer AT3 4S tires, showcasing rugged performance and capability.

Dry and Wet Pavement

The tire delivers exceptional grip and handling on dry and wet pavement thanks to its adaptive-traction technology and silica-based compound. The tire also has a good braking and cornering performance, making it safe and responsive.

Mud and Gravel

The tire handles mud and gravel easily, thanks to its deep center grooves and saw-tooth edges. The tire also has a self-cleaning ability, as it ejects stones and debris from its tread, preventing damage and loss of traction.

Close-up of Cooper Discoverer AT3 4S tires after driving over snow, highlighting winter performance and snow-traction capabilities.

Snow and Ice

The tire provides excellent traction and stability on snow and ice, thanks to its severe weather rating and 3D micro-gauge sipes. The tire also has a good steering and acceleration performance, making it agile and reliable.

Rain and Slush

The tire resists hydroplaning and skidding on rain and slush, thanks to its deep center grooves and wide lateral grooves. The tire also has an excellent wet grip and handling performance, making it comfortable and secure.

Pros and Cons

Pros

Exceptional all-terrain performance: The Discoverer AT3 4S handles a variety of terrain with confidence, from paved highways to dirt roads, gravel, and even light snow. Its aggressive tread design provides excellent traction in dry and wet conditions. In contrast, the deep tread depth ensures long-lasting performance.
Impressive winter traction: These tires boast the coveted Three-Peak Mountain Snowflake (3PMSF) rating, indicating their ability to handle moderate snow and ice. The silica-infused tread compound remains flexible even in cold temperatures, providing a solid grip and confident handling in winter weather.
Long tread life: The Discoverer AT3 4S has a generous 65,000-mile treadwear warranty, making it a cost-effective option for drivers who value longevity. The durable construction provides resistance to wear and tear, even under demanding off-road conditions.
Comfortable and quiet ride: Despite their aggressive tread design, the Discoverer AT3 4S delivers a surprisingly comfortable and quiet ride on paved surfaces. The tire’s optimized tread pattern and advanced construction technologies help minimize road noise and vibration, making it a pleasure to drive on long journeys.
Good handling and stability: The Discoverer AT3 4S offers responsive handling and stability, both on-road and off-road. The reinforced sidewalls provide excellent lateral support during cornering, while the wide footprint ensures a confident grip on various surfaces.
Rugged and durable construction: These tires can withstand the rigors of off-road driving. The two-ply polyester casing and twin steel belts provide exceptional strength and puncture resistance. At the same time, the stone ejectors help prevent debris damage.
Aggressive and stylish design: The Discoverer AT3 4S boasts an aggressive tread design that complements the look of SUVs and trucks. The bold sidewall lettering further enhances the tire’s aesthetics, making it a stylish choice for adventure-seeking drivers.

Cons

Higher price point: The Discoverer AT3 4S comes slightly higher than other AT tires. However, the extended tread life and exceptional performance can offset the initial cost.
Limited off-road capability: While the Discoverer AT3 4S performs well on moderate terrain, it could be better for extreme off-road situations. Dedicated mud-terrain tires would be a better choice for tackling challenging off-road obstacles.
Fuel economy impact: The aggressive tread design and all-terrain capability can slightly decrease fuel efficiency compared to more fuel-efficient highway tires. However, the effect might be insignificant for most drivers.

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Customers and experts have given the Cooper Discoverer AT3 4S tire positive feedback and reviews.

“I have been using these tires for about a year and am very impressed. They are quiet and smooth on the highway and handle wet and dry roads well. They also perform great in snow and ice, and I have never felt any loss of traction or control. They are very durable and have minimal wear and tear. I heartily recommend these tires to anyone looking for a trustworthy, all-terrain tire.” – [Customer Review]

“These tires are amazing. They are the best all-terrain tires I have ever used. They have a very aggressive tread design that gives them excellent grip and handling on any surface. They also have a shallow noise level and a very comfortable ride. They are very well made and have a long tread life. They are worth every penny, and I would repurchase them.” – [Customer Review]

“The Cooper Discoverer AT3 4S is an impressive all-terrain tire that can handle any road and weather conditions. It has a unique adaptive traction technology allows it to adjust to different situations and provide optimal performance. It also has a severe weather rating, making it suitable for snowy conditions. It is durable and comfortable and has a low rolling resistance, improving fuel efficiency. It is one of the best all-terrain tires on the market today.” – [Expert Review]

Discoverer AT3 4S Tire Comparison with Others

Subaru Outback navigating uphill off-road terrain with Cooper Discoverer AT3 4S tires, exemplifying reliable off-road traction.

The Cooper Discoverer AT3 4S tire is one of the best all-terrain tires in the market, but it is not the only one. There are other all-terrain tires that you can compare with the Cooper Discoverer AT3 4S tire, such as the Goodyear Wrangler DuraTrac, the Michelin LTX A/T2, the Falken Wildpeak Country/T3/T. Here is a brief comparison of these tires with the Cooper Discoverer AT3 4S tire:

Goodyear Wrangler DuraTrac

This tire is a hybrid between an all-terrain and a mud-terrain tire. It has a rugged tread pattern provides excellent traction on mud, snow, and rocks. It also has a self-cleaning feature that ejects mud and stones from the tread. However, this tire is also noisy and stiff on the road, and it has a shorter tread life and a higher price than the Cooper Discoverer AT3 4S tire.

Michelin LTX A/T2

This premium all-terrain tire delivers a smooth and quiet ride on the road. It has a long-lasting tread compound that resists wear and cracking. Its tread design also provides good grip on wet and dry roads. However, this tire is not as good as the Cooper Discoverer AT3 4S on snow and off-road. It also has a higher price than the Cooper Discoverer AT3 4S tire.

Falken Wildpeak A/T3W

This popular all-terrain tire balances on- and off-road performance. It has a silica-enhanced tread compound that provides good traction on wet and snowy roads. Its tread design also features aggressive shoulder blocks and deep sipes that offer grip and stability on mud, sand, and rocks. However, this tire is also louder and heavier than the Cooper Discoverer AT3 4S tire, and it has a lower warranty and a lower UTQG rating than the Cooper Discoverer AT3 4S tire.

Toyo Open Country A/T III

This new all-terrain tire offers improved traction, durability, and comfort. It has a tread compound that features a unique polymer blend that enhances wet and winter performance. It also has a tread design with 3D sipes and tie bars, providing grip and handling on various roads. However, this tire is also more expensive and less fuel-efficient than the Cooper Discoverer AT3 4S tire. It has a lower treadwear rating than the Cooper Discoverer AT3 4S tire.

Frequently Asked Questions about the Cooper Discoverer AT3 4S.

How long does the Cooper Discoverer AT3 4S tire last?

The Discoverer AT3 4S tire has a treadwear warranty of 65,000 miles. It can last up to that distance, depending on your driving habits and conditions. However, the actual lifespan of the tire might vary depending on maintenance. To extend the lifespan of your tire, you should check and adjust the air pressure regularly, align and rotate your tires every 6,000 miles, and inspect and repair your tires as needed.

How often should I check and adjust the air pressure of the Cooper Discoverer AT3 4S tire?

Check and adjust the tire’s air pressure at least once a month or every time you go on a long trip. To check the air pressure in your tires and make the necessary adjustments, use a tire pressure gauge and either an air compressor or an inflator.
The recommended air pressure for your tire can be found on the sticker inside the driver’s door, on the tire sidewall, or in the owner’s manual. Keep the air pressure within the recommended range, as underinflated or overinflated tires can affect your tire’s performance, safety, and lifespan.

How does the Cooper Discoverer AT3 4S tire fit my vehicle?

You can know if the Cooper Discoverer AT3 4S tire fits your vehicle by checking the size and compatibility of the tire. You can find the tire size on the tire sidewall and compare it with the size of your original tire or the size recommended by your vehicle manufacturer.

Conclusion

2011 Lexus GX 460 gliding on a paved road with Cooper Discoverer AT3 4S tires, ensuring a smooth and comfortable ride

The Cooper Discoverer AT3 4S tire is a versatile and reliable all-terrain tire that can provide excellent performance and durability on and off-road surfaces and in wet and snowy conditions. The tire has features that make it stand out from other tires in its category, such as adaptive-traction technology, severe weather rating, reliability and comfort, and noise-reducing technology.

The tire also has many benefits for drivers who need versatility and reliability in their tires, such as excellent performance on various surfaces, longevity, comfortable and quiet ride, affordable and competitive price, and an extended and generous warranty. However, the tire has some drawbacks, such as the high price, extreme off-road capability, a slight impact on fuel efficiency, and limited availability and compatibility.

Based on the data and analysis presented in this review, the Cooper Discover AT3 4S tire is an excellent option for light truck or SUV drivers looking for a tire that can handle any road and weather conditions. We hope this review has helped you learn more about Cooper Discoverer AT3 4S tires and help you decide if the tire is right for you and your vehicle. Thank you for reading. Have a safe and happy drive!

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