The Discoverer A/T3LT is Cooper's On-Road All-Terrain tire designed for the drivers of pickup trucks, work vehicles and full-size SUVs who need a tire that provides the rugged durability required to keep up with their active lifestyles. Engineered to tackle dirt, gravel, mud and the urban jungle, the Discoverer A/T3LT combines off-road prowess with agreeable on-road comfort and year-round traction, including light snow traction that meets the tire industry's severe snow service rating requirements and earns the three-peak mountain snowflake (3PMSF) symbol.
Durable-Tread Technology combines a shred-resistant silica compound with the Discoverer A/T3LT 's next-generation all-terrain tread pattern. Cooper's Even Wear Arc Technology optimizes the shape of the footprint for balanced pressure at the contact patch, improving handling and promoting even treadwear. The tread pattern is designed to aid dry traction, while Whisper Grooves between the outboard tread blocks help reduce noise throughout the tire's life. Stone ejector ledges help prevent punctures due to stone drilling, and the alternating scoop and cleat lugs in the shoulder are designed to provide grip on rock, in thick mud or loose soil. Deep, circumferential channels and wide, lateral notches improve hydroplaning resistance, while multiple zigzag sipes in the independent tread blocks create the biting edges needed for traction in slippery conditions. Snow Groove Technology uses saw-tooth block edges to trap snow in the tread for effective snow-to-snow traction.
The internal construction of the Discoverer A/T3LT consists of a robust, two-ply polyester casing. A single-ply, nylon reinforcement above two high-strength steel belts further increases durability and handling response, along with providing high-speed stability.
Note: While non-winter tires featuring the three-peak mountain snowflake (3PMSF) symbol may provide additional longitudinal snow traction beyond what all-season (M+S) tires not bearing the symbol can deliver, they do not match the capability of a true winter tire in all adverse weather conditions.
El Discoverer A/T3LT de Cooper pertenece a la categoría: Dentro/Fuera De Carretera Todoterreno y fue diseñado para conductores de picops, vehículos de trabajo y vehículos utilitarios deportivos (SUV, por sus siglas en inglés) grandes, que necesitan un neumático que proporcione la resistencia y durabilidad requerida para mantener sus estilos activos de vida. Fabricado para lidiar con tierra, grava, lodo y la jungla urbana, el Discoverer A/T3LT, combina destreza todoterreno con una comodidad agradable en carreteras y tracción durante todo el año, incluyendo superficies con poca nieve, lo cual le permite cumplir con los requerimientos de la industria en cuanto a nieve severa y le permite poseer el símbolo “tres picos montaña/copo de nieve”, 3PMSF (three-peak mountain snowflake symbol, 3PMSF).
La tecnología "Durable-Tread" combina un compuesto de caucho con sílice resistente a desgarros, con el patrón de la generación más reciente todoterreno del Discoverer A/T3LT. La tecnología "Even Wear Arc" de Cooper optimiza la forma de la huella para obtener una presión balanceada en el área de contacto, mejorando la maniobrabilidad y proporcionando un desgaste parejo. El patrón de la huella ha sido diseñado para mejorar la tracción sobre superficies mojadas, mientras que ranuras "Whisper Grooves" entre los bloques externos ayudan a reducir el ruido a través del ciclo de vida del neumático. Soportes para expulsar piedras ayudan a prevenir perforaciones y hendiduras alternadas en la parte exterior de los hombros, proporcionan tracción en rocas, lodo espeso y superficies sueltas. Canales circunferenciales anchos y ranuras laterales profundas mejoran la resistencia al deslizamiento sobre agua (hydroplaning), mientras que múltiples ranuras pequeñas tipo zigzag en los bloques de la huella, crean la cantidad de bordes adherentes para proporcionar tracción sobre superficies resbalosas. La tecnología "Snow Groove" utiliza bordes con dientes serrados para atrapar nieve en la huella para mejorar la tracción nieve con nieve.
La construcción interna del Discoverer A/T3LT cuenta con una estructura robusta de dos capas de poliéster. Una capa de refuerzo de nailon por encima de dos correas de acero de gran fortaleza, aumenta aún más la durabilidad y la respuesta al girar el volante, además de proporcionar estabilidad a velocidades elevadas.
Nota: Mientras los neumáticos no identificados para su uso en invierno, pero con el símbolo tres picos montaña copo de nieve, 3PMSF (Three-Peak Mountain Snowflake, 3PMSF) podrían proporcionar mayor tracción longitudinal en nieve, que la ofrecida por neumáticos para toda estación (M+S) sin el símbolo 3PMSF. Sin embargo, ninguno iguala la capacidad de un neumático verdaderamente para invierno, en climas con condiciones adversas.
Specifications shown are as accurate as possible based on the information provided to us by the tire manufacturers. The dimensions reflect average values for tires measured on the specified measuring rim width. Individual tires may vary from data shown.
All tires are subject to continuous development. The tire manufacturers and Tire Rack reserve the right to change product specifications at any time without notice or obligation.
*Although regularly updated, the country of origin for tires may vary from what is shown. Unfortunately, we cannot accommodate requests for tires with a specific country of origin.
For assistance selecting products for your vehicle, please contact our sales specialists at 888-541-1777 or via email.
Warranty summary for replacement tires purchased on or after 06/01/24 (1 of 6)
Treadwear:6 Years / 60,000 Miles Half mileage for rear if different size than front
Manufacturer Special Warranty:45 Day Road Test Guarantee (1)
Additional Information:(1) Exchange for another Cooper brand tire
Notes
See official manufacturer's warranty brochure for specific details.
New vehicle Original Equipment tire warranties often differ from those covering replacement tires. Consult your vehicle documents to confirm Original Equipment tire warranty coverage.
Tire Rack Test Results Cooper Discoverer AT3 LT
Testing On-Road All-Terrain Tires 2021: Cooper Discoverer AT3 LT (2:11)
The Discoverer AT3 LT is a popular option in On-Road All-Terrain tires, so we tested it against some of the best in the category to see how the performance stacks up.
Owners report excellent dry traction and confident wet performance, with many highlighting responsive handling and a comfortable ride. Scores in the 9-10 range dominate for dry and wet conditions, aligning with the tire's summer-focused design. Comfort receives consistent praise for smoothness and low noise. However, treadwear shows mixed results-some note rapid wear, particularly with aggressive driving, though others report satisfactory longevity when used as intended. Overall, the Pilot Sport 4S excels in its performance categories, with most concerns centered on tread life rather than dynamic capabilities.
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Customers Like:
789 customers mention "Wet Traction"
749 positive
40 negative
Customers overwhelmingly rate the Michelin Pilot Sport 4S's wet traction as excellent, with most scores between 9-10. High marks highlight confident grip and hydroplaning resistance, delivering precise handling in wet conditions as expected from a max performance summer tire.
September 08, 2023(Verified Purchase)
4.3 out of 5
Very good wet and dry traction...
Very good wet and dry traction. Quieter on road than OEM tires. Good tire when doing autocross as well.
Vehicle: 2014 Porsche Cayman S Miles Driven on Tires: 1,000 Driving Conditions: Track/Autocross Location: PARRISH, FL Driving Style: Spirited
...The track had puddles, small streams running across the track and damp spots. There were moments of down pour rain, steady drizzle and sun all in the same session and the PS4S performed consistently and I felt confedient carring speed on the straight away and corners with these tires...
I bought these tires for a wet track day. I also had these tires on my 2020 M2 Comp on a wet track day. These tires performed better than expected the 1st time I had a wet track day in my M2. So when I had a wet track day in my 2022 GT4 there was no question what tires I needed to use for that day. The track had puddles, small streams running across the track and damp spots. There were moments of down pour rain, steady drizzle and sun all in the same session and the PS4S performed consistently and I felt confedient carring speed on the straight away and corners with these tires. I would recomend these for wet driving conditions on track.
Vehicle: 2022 Porsche 718 Cayman GT4 Miles Driven on Tires: 300 Driving Conditions: Track/Autocross Location: BEVERLY, MA Driving Style: Spirited
...They have impeccable wet and dry traction, even in torrential downpours we often get here in FL...
These tires have been great thus far. They have impeccable wet and dry traction, even in our torrential downpours we often get here in FL. Steering response in very positive and tight, and when they've been pushed to their limit they break away easily and predictably which is surprisingly hard to get them to do even in this big SUV. Warm-up time is quick and they're performing great long before the engine oil is up to temp and the vehicle is ready for fun. Tread wear so far is a little better than what I expected. At about 6k miles they are showing little overall wear despite handling 650hp/700ftlbs in a 4500lb SUV that is driven very spirited through corners often. They seem quiet on the highway, but it's hard to tell as my 958 has the extra NVH package so its basically silent inside no matter what. Sidewalls seem stiff and perky as you'd want from a tire like this, and ride quality is stiff and composed but not overly harsh compared to whatever trash tires were on this when I bought it.
Overall these are amazing tires for a spirited street driver like myself that might see occasional track time. The 20k mileage warranty on a performance tire this size is also an amazing and unusual bonus. I'll definitely be putting these back on when replacement time comes.
Vehicle: 2012 Porsche Cayenne Turbo Miles Driven on Tires: 6,000 Driving Conditions: Combined Highway/City Location: LADY LAKE, FL Driving Style: Spirited
Customers overwhelmingly rate dry traction as excellent, with most scoring 9s and 10s. The Pilot Sport 4S delivers exceptional grip and responsive handling in dry conditions, living up to its Max Performance Summer design.
July 16, 2023(Verified Purchase)
4.9 out of 5
...Dry traction is one of the best for daily driving and wanting to get into some fun!...
One of the best tires I've ever put on my WRX! Corner grip and handling is predicable and precise. Wet traction has never missed a beat even till 4/32" tread. Dry traction is one of the best for daily driving and wanting to get into some fun! Comfort is pretty good for this category and noise is quite quiet for this type of tire. As the tire aged you do start to notice some tire noise but it's really faint. Michelin makes a really good product. I will consider this as the king of Max Perf. Summer tires.
Vehicle: 2019 Subaru WRX Miles Driven on Tires: 27,000 Driving Conditions: Combined Highway/City Location: PHILADELPHIA, PA Driving Style: Spirited
...Vast improvement over OEM tires; grip, responsiveness to steering input, braking distance much reduced... Much more capable and predictable at the limit, better feel/feedback through steering wheel. Able to carry more speed on entry, mid-corner, and apply throttle sooner on exit...
Excellent tires which permit somewhat more than „spirited“ for daily driving. Vast improvement over OEM tires; grip, responsiveness to steering input, braking distance much reduced. Went to 18“ for better ride compliance. Much more capable and predictable at the limit, better feel/feedback through steering wheel. Able to carry more speed on entry, mid-corner, and apply throttle sooner on exit. Ride on mixed surfaces is excellent; road noise not an issue for me. True heavy wet weather performance remains unknown. However, limited opportunities to drive in moderately wet conditions demonstrates excellent traction that exceeds that of OEM; inspires far more confidence when pushing hard on slick/sketchy pavement.
Overall, very pleased with this set of tires for this vehicle.
Vehicle: 2017 Volkswagen Golf R Miles Driven on Tires: 5,000 Driving Conditions: Combined Highway/City Location: ORO VALLEY, AZ Driving Style: Spirited
Dry Traction is Insane. They feel very planted and take demanding curves with ease...
Dry Traction is Insane. They feel very planted and take demanding curves with ease. Wet traction is very good and they maintain good contact with the road in heavy rain. Not so great in the light snow but they are Summer Tires! Be sure to have a winter set of tires if you live in a region that gets snow and save these tires for fun times when it's warm out. :)
Vehicle: 2024 Acura Integra Type S Miles Driven on Tires: 4,000 Driving Conditions: Combined Highway/City Location: SPRINGFIELD, VA Driving Style: Spirited
Customers rate the Michelin Pilot Sport 4S's comfort highly, with most scoring 9s and 10s for ride quality and noise levels. High marks emphasize its smooth, refined feel, delivering excellent comfort in summer driving conditions as intended for max performance tires.
September 09, 2023(Verified Purchase)
4.4 out of 5
..."This is my second set; and this is the tire I am installing on all my future vehicles" Note: There are no phrases related to comfort performance in this text to bold according to the given criteria...
This is my second set; and this is the tire I am installing on all my future vehicles
Vehicle: 2014 Honda Accord Sedan Sport Miles Driven on Tires: 5,000 Driving Conditions: Combined Highway/City Location: TAMPA, FL Driving Style: Spirited
...These are incredible in any category: dry-grip: insane • wet grip: insane • highway noise: very quiet • turn-in: instant • cornering grip: more than my 50+ year old body is willing to test • comfort: smooth as other tires...
The N0 Porsche rating is not a joke...
In early 2020 tried a set of PS4S that were not available in the N0 rating and ended up returning them for a set of Pilot SuperSports. These "non N0" rated tires made my 911 feel like a mini-van and were terrible - they didn't even feel safe. Obviously I was very apprehensive ordering PS4S's this time around, but since they are now N0 rated, and the fact that Pilot SuperSports are no longer offered, I took the chance and ordered them.
These are incredible in any category: dry-grip: insane • wet grip: insane • highway noise: very quiet • turn-in: instant • cornering grip: more than my 50+ year old body is willing to test • comfort: I can drive with the suspension set Sport and it's as smooth as other tires when set to normal stiffness.
I can't say anything about wear yet; but I suspect these will wear similar to the Pilot SuperSports; where they are great until about 12k miles and then start to fall off.
Summary: buy these, you'll love them!
Vehicle: 2013 Porsche 911 Carrera S Coupe Miles Driven on Tires: 875 Driving Conditions: Combined Highway/City Location: MOUNT DORA, FL Driving Style: Average
Tremendous upgrade over Dunlops Runflats that came on the car...
Tremendous upgrade over Dunlops Runflats that came on the car. 👍👍
Vehicle: 2021 Infiniti Q50 Red Sport 400 RWD Runflat Miles Driven on Tires: 2,000 Driving Conditions: Mostly Highway Location: PLANO, TX Driving Style: Spirited
Most customers rate treadwear highly, with scores of 9s and 10s, highlighting excellent longevity for a Max Performance Summer tire. While some note quicker wear, the majority praise lasting performance in dry and wet conditions.
July 07, 2024(Verified Purchase)
4.3 out of 5
...Tread-wear has been normal. For 30K mile tires, I'm about 1/2 way there for tread wear...
From all the tires I've bought in the past Forty years, these tires by far out-shined them all. Even during under-steering, there's still under control. Ride comfort is awesome. Noise level is very low compare to my previous, Continental Pro Contacts , Michelin Pilot All Season or Michelin A/S 3+. During heavy rain, I can slice through the water at a comfortable speed of 75MPH. Tread-wear has been normal. For 30K mile tires, I'm abut 1/2 way there for tread wear. Hope this helps.
Vehicle: 2010 Volkswagen Passat Wagon Miles Driven on Tires: 15,500 Driving Conditions: Combined Highway/City Location: LA CRESCENTA, CA Driving Style: Spirited
Testing On-Road All-Terrain Tires 2021: Cooper Discoverer AT3 LT (2:11)
The Discoverer AT3 LT is a popular option in On-Road All-Terrain tires, so we tested it against some of the best in the category to see how the performance stacks up.
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