Light Truck Tires

Discoverer M+S

Discoverer M+S™ is rated 4.3 out of 5 by 19.
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Discoverer M+S

Standard Limited Warranty
Severe Weather Rated
Studdable
M+S Rated

The Discoverer M+S is the premium studdable winter tire designed for drivers looking for excellent traction on snow and ice.

Tire Sizes & Specifications Will This Fit My Vehicle?

Features & Benefits

  • "Snow-groove" design technology provides biting edges for snow and ice traction without reducing tread element stiffness.
  • Strategically-placed stud pin holes deliver optimum traction on ice.
  • Beveled treadblock edges fights irregular wear and improves self-cleaning capabilities.
  • "D Squared" D2 sipe technology enhances winter performance while maintaining excellent wet traction.

Customer Reviews

Rated 5 out of 5 by from NW Michigan Winter I am not sure why people are complaining about this tire. They are for sure a winter tire and like any winter tire they will not last. I use them from the time it first snows to about march/april when there is no more snow and the temperatures stay <45 deg. If it starts to get warm out they come off. I literally never put my 2016 4runner in 4WD once after using these vs the garbage stock tires they came with. I felt very safe using these for winter driving and a complete night and day difference using these vs. the stock all weather dunlops.
Date published: 2016-11-28
Rated 5 out of 5 by from Best winter tire ever I have close to a million miles on these tires, I put on 65K miles every year and I get my new M+S every November and at 65K there always some meat left, not a lot but some. I drive in snow on the average of 7 months, so I do use them as intended, as a SNOW TIRE and they work so well on snow and ice, it's hard to describe, as for rain and mud they still do a great job and never had a hydroplaning issue, I can always count on them and have. I rotate every 10K in cold weather and 7K when warm. I do know they are a snow tire and expect more wear when warm and in a million miles I think I have had 3 repairs. Hope they always make these tires!
Date published: 2016-11-27
Rated 5 out of 5 by from 2nd set purchased. I originally purchased the 1st set when they were made under the Dean tire brand known as the WinterCat SST. Excellent winter tires. Even tread wear with proper 5,000 mile rotation. Road noise does increase with wear but tolerable. Hoping since Cooper makes them now that I will find the same great characteristics as the original WinterCat SST in the Discoverer M+S. Highly recommended for winter use.
Date published: 2016-11-26
Rated 5 out of 5 by from Best snow tire yet I drive over 30000 miles over mountain passes and have tried many different snow tires,this by far is the best one yet.
Date published: 2016-11-17
Rated 5 out of 5 by from Incredible I live in Aspen, Colorado and I run these tires religiously on my Silverado. I choose to run studded winter tires year round due to living in the Colorado High Country, and I get a solid year out of the tread with frequent trips and harder driving habits. Each October I purchase a new set. As far as the traction goes, my truck is 2WD, and these tires have taken it places it really had no business being. I'm on my third set in 3 years, and I fully intend on buying another next October. I highly recommend the tire, and so long as you understand you're purchasing a WINTER TIRE, it will not disappoint. Lastly, thanks to Cooper for making an awesome tire; my truck is worthless in snow without these!!
Date published: 2016-10-21
Rated 1 out of 5 by from Fast wearing tire This tire is wore out at 32,000 miles and I started to notice rapid decline at 10,000 miles. Terrible in the rain and on painted surfaces on the road. Also got very noisy fast
Date published: 2016-10-20
Rated 5 out of 5 by from Great for plowing Bought these tires(245/75/18) for my 03 dodge 2500 for snow plowing. These are the best tires in the snow or ice that I've used in 14 years of plowing. Really reduced using 4x4 since the traction was good enough for 2 wheel drive plowing sometimes. Cant comment on tread wear yet. I now (sold 2003) use them for the winter and towing on my 2013 ram Diesel. Gets a smooth ride for a 10 ply tire.
Date published: 2016-10-03
Rated 5 out of 5 by from Great snow tire in Colorado I really like this tire. I have them on my Ford Expedition and they are great here in Colorado. Highly recommended.
Date published: 2016-09-07
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