Discoverer M+S™

Fits SUV and Truck WinterWinter

Discoverer M+S™ is rated 4.4 out of 5 by 49.
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Standard Limited Warranty
Free 45-Day Test Drive
Severe Weather Rated
Studdable

The Discoverer M+S™ is the winter tire specifically designed for SUVs and light truck vehicles.

  • Pinned for studs
  • Severe weather rated
  • Extensive size coverage

M+S Rated

Features

Dry Performance

The tire’s ability to grip the road in dry conditions.

Wet Performance

The tire’s ability to grip the road in wet conditions.

Tread Wear

The wear rate of the tire.

Quiet Ride

The measure of how quiet a tire is while driving.

Handling

How the tire is able to respond to driving such as accelerating, braking, steering and turning.

Off Road

The tire’s ability to have grip on unpaved surfaces such as dirt, mud, sand, rock or gravel.

*When compared to other Cooper® tires.

Tire Design

  • Patented Snow Groove™ Design

    Creates increased traction through snow-on-snow grip.

  • Sawtooth Center Rib

    Increases stability, maintains even treadwear, and aids in acceleration and braking.

  • "D Squared" Sipe Technology

    Adds sipe density and depth for improved winter traction through-out the tire's life.

  • Strategically Placed Stud Pin Holes

    Studs deliver optimum traction on ice.

Full Specs

Tire Size Service Description UTQG Load Range Sidewall Approved Rim Width Measured Rim Width Section Width Overall Diameter Tread Width Tire Weight Max Load Tread Depth (1/32")
245/75R16 111S STD BLK 6.5 - 8 7 9.6 30.39 7.4 36 2403 15
265/75R16 116S STD BLK 7 - 9 7.5 10.6 31.61 8.11 40 2756 15
215/70R16 100S STD BLK 5.5 - 7 6.5 8.8 27.76 7.2 28 1764 15
225/70R16 103S STD BLK 6 - 7.5 6.5 9 28.31 7.01 30 1929 15
255/70R16 111S STD BLK 6.5 - 8 7.5 10.3 29.88 7.99 35 2403 15
245/70R17 110S STD BLK 6.5 - 8 7 9.8 30.51 7.72 35 2337 15
245/65R17 107S STD BLK 7 - 8.5 7 9.8 29.53 9.25 34 2149 14
255/70R18 113S STD BLK 6.5 - 8.5 7.5 10.3 32.2 8.19 41 2535 15
LT215/85R16 115\112Q E BLK 5.5 - 7 6 9.1 30.28 5.91 37 2680 17
LT235/85R16 120\116Q E BLK 6 - 7.5 6.5 9.3 31.77 6.93 41 3042 17

Reviews

Rated 5 out of 5 by from very good winter tires I have run Blizzak tires and Have these tires now. They are rotated with regular tires in non winter season. This reduces wear. They provide excellent traction. Please note all winter tires wear down quicker if run year round. The rubber used provides excellent wet and snow traction. However, it is a softer compound that wears out in hot weather or if on 4 wheel drive mode. They are the best winter tires I have owned. Would not hesitate to buy them again.
Date published: 2019-10-19
Rated 5 out of 5 by from Love these tires Bought these tires for plowing and all around winter traction, was very impressed with these tires, great traction in the deepest snow, great on even ice! Had no problems moving snow with these tires, have them on a 2000 Ford ranger and have moved them to every vehicle I've owned
Date published: 2019-10-08
Rated 5 out of 5 by from Discoverer M+S tires perform extremely well on snow and on ice I installed five (5) LT235/80R17 on a Jeep JKU Sahara. For winter operation, I wanted narrower tires than the stock 255/70R18. The Discoverer M+S tires perform extremely well on snow and on ice. The noise level is minimal to non-existent. Being load rating E, the LT235/80R17 are stiff and the air pressure have to be adjusted to a lower pressure in order to improve the ride quality.
Date published: 2019-09-11
Rated 3 out of 5 by from Good in snow but don't last. These tires are good in snow, that's why I bought them. I snow plow and I never got stuck. I have had them for about 2 years and less than average mileage on them. Last year I had to replace one for hitting a pothole. The cords could not it. Now I have to replace another one I believe for the same reason. So I wouldn't recommend these tires unless you drive on perfect roads or are able to swerve in traffic to be able to miss the potholes.
Date published: 2019-08-24
Rated 5 out of 5 by from Absolutely top notch On our 4th winter season on these tyres they still perform very well. Ours are not studded, and we don't miss the studs at all, even when "everyone" says studs are mandatory on SUVs where we live (Norway). Very precise in all maneuvers: Ice, hard snow, dry snow, wet snow, wet or dry tarmac. They gets very soft in temps above +10°C, so not meant for several plus degrees, can't complain on this as they are pretty much the perfect winter tyre. Quite high rolling resistance, so they reduce mpg by approx 10%. Now I cannot find them anymore at tyres stores, so I'm afraid I will have to buy something else next time :-( '06 Mitsubishi Pajero/Shogun/Montero LWB 3.2 DiD, 245/70-17.
Date published: 2019-02-25
Rated 1 out of 5 by from Worst snow tire ever! I have a 2015 Chevy 2500, and was told these tires were as good as Goodyear Ultra grip ice WRT. Not even in the same league. I should have waited till the Goodyear were available. As I live in winter most of the year, and have owned many different snow tires, I can attest these are the worst I have ever owned. With the Goodyear, I almost never had to put in 4WD, and with the Coopers, I can never take it out, on simple packed snow. Thanks Cooper!!
Date published: 2019-02-09
Rated 5 out of 5 by from Great for towing in mountain passes These tires on an F-250 4x4 are terrific in the mountains of WA & ID. I tow a 7000lb bunkhouse travel trailer to the ski hill as often as time will allow. The M+S are mountain snowflake rated and they have carried my family home from some of the best skiing / worst driving conditions imaginable. I’ve seen pileups, pass closures and safety checkpoints and the snowiest conditions I’ve ever seen and still hauled my family home safely. I run them without studs and use common sense in the iciest conditions. They wear fast in the warmer months so if you live in a warm climate take them off after the last frost. I am on my second winter of my second set of these tires. I got 4 winters and 1 summer on the first set. (They get soft and sticky when it’s 100 degrees outside). I just decided to leave them on when I knew I’d replace them in the fall.
Date published: 2018-11-30
Rated 5 out of 5 by from 3rd set & Love em' I just bought my third set and run them all year round on a Toyota Rav4 AWD. I have been getting about 65 - 70,000 km using them this way. They work great in winter and hold up decent all year. Great value tire!
Date published: 2018-11-24
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