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Cooper

Cooper Discoverer AT3 4S All-Season 255/50R20XL 109H Tire

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Size: 255/50R20XL 109H BLK


Features

  • All-Terrain, All-Season / Severe Weather Tire
  • Treadwear Warranty: 65,000 Miles
  • Grips the surface, rocky or smooth, under the most severe weather, rain or shine
  • On-road comfort with off-road durability
  • Maximum grip and handling on wet roads
  • Stops on average over 20 feet shorter on snow
  • Severe weather rated
  • Standard Limited Warranty

Description

Made for rugged SUVs and light pickup trucks, the Cooper Discoverer AT3 4S All-Season 255/50R20 109H Tire is designed for all-season driving on the highway while offering exceptional all-terrain performance during weekend work or play on dirt or gravel roads. The Cooper Discoverer AT3 4S with Adaptive- Traction Technology grips the surface, rocky or smooth, under the most severe weather, rain or shine. It sets the standard in all-weather, all-terrain performance. It sports Adaptive-Traction Technology, an innovative silica- based tread compound with a design that adapts to a wide range of environments and temperatures for improved all-weather capabilities. The Adaptive-Traction Technology has many features, including Snow Groove Technology, which traps the snow in the tread for superior traction, Secure-Grip design, for greater off-road capability and traction, Aqua Vac Channels, which improve resistance to hydroplaning, and Micro-Gauge Zigzag Sipes, which offer increased stability and control. The Cooper Discoverer AT3 4S also offers a Best-In-Class All- Terrain warranty of 65,000 miles. Worthy of your ride!

Brand: Cooper


Size: 255/50R20XL 109H BLK


Rim Size: 20 Inches


Section Width: 255 Millimeters


Tire Aspect Ratio: 50


Load Index: 109


Speed Rating: H


Load Capacity: 2271 Pounds


Tread Depth: 12 32nds


Tread Type: Non-Directional


Rim Size: 20 Inches


Load Index: 109


Speed Rating: H


Load Capacity: 2271 Pounds


Tread Type: Non-Directional


Maximum Pressure: 44 Pound per Square Inch


Automotive Fit Type: Universal Fit


Construction Type: Radial


Seasons: Year Round


Brand Name: Cooper


UPC: 029142909859


Global Trade Identification Number: 59


Unit Count: 1.0 Count


OEM Equivalent Part Number: 90000032945


Model Number: 171033002


Manufacturer Part Number: 171033002


Manufacturer: Cooper


Included Components: Tire Only


Manufacturer Warranty Description: 65,000 Mile Treadwear


Item Type Name: Tire


Size: 255/50R20XL 109H BLK


Section Width: 255 Millimeters


Tire Aspect Ratio: 50


Tread Depth: 12 32nds


Rim Width: 10.4 Inches


Tire Diameter: 30.1


Item Dimensions: 31 x 31 x 11 inches


Item Diameter: 30.1 Inches


Item Weight: 37.1 Pounds


Vehicle Tire ISO Metric Size Description: 255/50R20


Ply: [Inference Likely higher than standard 2 or 4 ply counts, but exact value not provided]


Frequently asked questions

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Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

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View our full returns policy here.

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Top Amazon Reviews

    • Great traction in snow/ice
Size: 265/70R16 112T
These tires were a close out as a new version was coming. I bought these to replace the worn original tires on my 2019 Nissan Frontier truck. Even though they look rather aggressive they are not unusually noisy on pavement...pretty quiet. The ride/handling is very good so far. We haven't gotten much snow in north central Wisconsin this winter but when the roads have been snow covered/icy these tires are very impressive. Very little slippage in 2wd and they feel nearly unstoppable in 4wd. Tires like these have a tendency to chop if not rotated regularly so I'll stay on top of that. So far very satisfied. ... show more
Reviewed in the United States on January 21, 2025 by Jeff K
    • Great tire
Very quiet, smooth ride, good traction. Every bit as good as Michelin in my experience. My second set, not alot of options in the 22” range. Gives the most tread and aggressive look, more traction than “city” tires.
Reviewed in the United States on January 7, 2025 by Robert
    • First impressions: Awesome tire
Size: 265/65R18 114T
This tire was difficult to find at any of the tire installers around me. When found, their price was $50+ over this price here. Having the tires shipped to me, then taken to an installer - I still saved lots of money. But enough on the deal that this is. I have <100 miles on these thus far, so this is a preliminary review. The tires ride awesome on my 14 Silverado CC 4wd. Much better than the original Goodyear tires. I have been on dry road and wet rainy (with pools of water on the highway) and the handling was great. These tires are a little noisier than the original tires. I suspected this would be the case when I ordered them. All terrain tires will create some road noise. It is noticeable, not overbearing or loud. I'm willing to take a little road noise for an all terrain tire that is mud/snow rated. I'll update this review once the snow flies and have more miles on them. Update 4/16/2019 Having gone through a winter, and just completing a 3,000 mile highway trip here are some updates: 1) These tires are absolutely AWESOME in snow. Excellent traction. Best tire I've had on my truck for winter driving. 2) Road noise is still there after 4-5k miles. Again, not annoying, just noticeable. 3) On the highway, they road very well. Average mileage for my 5.3L V8 CC was mid to high 19mpg. Got as high as mid 20s on one tank. Not seeing as big of a hit on gas mileage as I expected. +++ Thus far, I would HIGHLY recommend this as a replacement tire for a truck. ... show more
Reviewed in the United States on November 5, 2018 by Our Country is Screwed
    • S-tier tire
Size: 265/75R15 112T
Love the chunky tread. Great for off-roading and street driving lots of traction in dry/wet. They have yet to experience snow, so I can't attest to that performance however I bet they'll do just fine. Look great too. The pictures listed here make the tread look smaller than they are. Awesome for such cheap tires. ... show more
Reviewed in the United States on November 2, 2024 by Jake
    • Quality tires
Size: 275/55R20XL 117T BLK
Found these tires at a good price. The mounted and balanced well. When balancing I never had to add more the 1.5 oz. Lots of truck tires need 3+oz to zero out. So far just rain and dry roads. Smooth and quiet.
Reviewed in the United States on June 13, 2024 by Sundstrom 1
    • Fantastic tire
Fantastic quality tire with good durability for intermittent off-road. Ride volume is not loud on asphalt or Highway. All around great all-terrain tire.
Reviewed in the United States on November 16, 2024 by Randy Greve
    • Shipped to a tire installer near me
I had Amazon ship the tires directly to a tire installer near me, and Amazon even made an appointment time and installation price I agreed with. All I had to do at the tire shop was sign a paper telling Amazon the work was done. Very convenient and affordable. The tires were made 2 years ago, but that's still a reasonable manufacturing date. Great tires that replaced the same ones I bought from Amazon 6 years ago. ... show more
Reviewed in the United States on September 19, 2024 by homeowner
    • Cooper tiers are great distributor can't count
Size: 265/70R17 115T
Who buys 3 tires, come on people. Had to contact this low tire price company to get my 4th tire and they tried to blame it on fed x , Did they think I wouldn't notice? The tires look great and are exactly what I expected. If I ever get the 4th one I'll put them on my truck. Just don't get it, why would you even send 3. Wow. tiers are on the truck and they are impresive. the agressive tread pattern had me thinking they would be a little loud but I was wrong. Very quiet tire. Great ride, excellent cornering little to no roll over even at a high enough speed to get these tires to make some noise. And these are some beefy tires. Even with the factory size for the truck They fill up the wheel well really nice, almost an inch wider on the tread then the fierstones I burned through in about 20,000 miles. With a nice design that shows safety on the highway and a sidewall with a molded mud grabber design that makes me want to find somewhere to try to get stuck. All in all, I say, theese could be the some of the best tires out there. And at this price they could blow the rest away. ... show more
Reviewed in the United States on December 5, 2018 by Drolema J.

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