Discoverer M+S™

Fits SUVs/CUVs Winter

Discoverer M+S™ is rated 4.4 out of 5 by 30.
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Standard Limited Warranty
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 Max Load Tread Depth (1/32")
225/70R14 99S STD BLK 6 - 7.5 6.5 9.1 26.26 7.01 1709 15
235/75R15 105S STD BLK 6 - 8 6.5 9.6 29.02 7.13 2039 15
235/75R15 109S RE BLK 6 - 7.5 6.5 9.4 29.02 7.2 2271 15
265/75R15 112S STD BLK 7 - 9 7.5 10.7 30.59 8.11 2469 15
235/70R15 103S STD BLK 6 - 7.5 7 9.6 27.99 7.4 1929 15
265/70R15 112S STD BLK 7 - 9 8 10.4 29.45 7.99 2469 15
225/75R16 104S STD BLK 6 - 7.5 6 8.7 29.17 6.81 1984 15
235/75R16 108S STD BLK 6 - 8 6.5 9.3 29.84 7.01 2205 15
245/75R16 111S STD BLK 6.5 - 8 7 9.6 30.39 7.4 2403 15
265/75R16 116S STD BLK 7 - 9 7.5 10.6 31.61 8.11 2756 15
215/70R16 100S STD BLK 5.5 - 7 6.5 8.8 27.76 7.2 1764 15
225/70R16 103S STD BLK 6 - 7.5 6.5 9 28.31 7.01 1929 15
235/70R16 106S STD BLK 6 - 7.5 7 9.4 28.86 7.4 2094 15
245/70R16 107S STD BLK 6.5 - 8 7 9.8 29.49 7.72 2149 15
255/70R16 111S STD BLK 6.5 - 8 7.5 10.3 29.88 7.99 2403 15
265/70R16 112S STD BLK 7 - 9 8 10.8 30.39 7.99 2469 15
255/65R16 109S STD BLK 7 - 9 7.5 10.2 29.17 8.27 2271 14
245/70R17 110S STD BLK 6.5 - 8 7 9.8 30.51 7.72 2337 15
255/70R17 112S STD BLK 6.5 - 8.5 7.5 10.3 31.22 8.19 2469 15
265/70R17 115S STD BLK 7 - 9 8 10.7 31.42 8.31 2679 15
235/65R17 104S STD BLK 6.5 - 8.5 7 9.4 29.06 7.76 1984 14
245/65R17 107S STD BLK 7 - 8.5 7 9.8 29.53 9.25 2149 14
255/65R17 110S STD BLK 7 - 9 7.5 10.1 30.2 8.5 2337 14
255/70R18 113S STD BLK 6.5 - 8.5 7.5 10.3 32.2 8.19 2535 15
275/65R18 116S STD BLK 7.5 - 9.5 8 11 32.17 9.09 2756 14
255/55R18 109S RE BLK 7 - 9 8 10.4 29.13 8.9 2271 14
275/60R20 119S RE BLK 8 - 9.5 8 10.9 33.03 9.21 2998 14
275/55R20 117S XL BLK 7.5 - 9.5 8.5 11 32.05 9.41 2833 14

Reviews

Rated 5 out of 5 by from Very Happy Put these on a 2013 Ram 1500 and they now have about 5000km on them. I've been running a set of the Discoverer HTs for the summer and picked these up for the winter. I find that most snow tires do fine on ice and slush but fall down in deep snow. I did quite a bit of research and everything pointed to the Cooper Discoverer M+S as an all around good winter tire that was a reasonable price. We've had a few weeks of 2+ feet of snow and I can't believe how well these do in the deep snow. I am so impressed. I haven't had any issues on ice or in slush either. With some weight in the back of the truck, it is like a tank. I can't believe how quiet they are on the highway. I don't even know they are there. I am very happy with my purchase.
Date published: 2017-12-28
Rated 5 out of 5 by from Excellent Love these tires ! Bought Colorado 4x4 in South Haven Michigan last Aug with tires already on it.
Date published: 2017-12-10
Rated 3 out of 5 by from Not good on ice Have been using these winter tires on all my trucks in the past but recently been having problems with icy conditions. The tires are studded and I still have to put my Toyota Tundra in 4x4 in icy conditions because the tires don’t stick to the road even with weight in the back. Great in the deep snow but on ice they need a softer rubber to grab better. Thought studs would fix the problem but still spinning tires on ice.
Date published: 2017-11-26
Rated 3 out of 5 by from 5-12-17 just bought. I plan to drive these all year, I'll let you know what happens, alot of great reviews. Glad there made in America!
Date published: 2017-05-12
Rated 5 out of 5 by from Great Winter Tire These tires have never let us down once, have been using these winters for over 80,000 miles now. Been driven all across the Rockies in western Canada and the USA, in all types of weather conditions that mother nature can give you out west. I'm on my second set now, and these one will be changed out in the summer months, not like the last set. Have installed them on my ton dually and my RV with the same results. Go places where most tires just break lose and spin. Go the extra mile and get them studded for the piece of mind and your safety of your love ones on those family road trips in the winter months.
Date published: 2017-03-31
Rated 5 out of 5 by from Great winter tire Live in Michigan. I put these tires on my 2016 Yukon XL in November. Relatively mild 2016-2017 winter but when it snowed the performance from the Discoverer M+S was excellent. They were so much better in the snow than the OEM Continental tires that it was hard to believe. Worth the investment. Very small increase in road noise but easily worth the trade-off for improved traction and safety. 7K miles and they still look new.
Date published: 2017-03-30
Rated 5 out of 5 by from Excellent Tire I put these on my 2016 F-350 Supercrew and they are awesome . i live in Rural Ontario , Canada and i could drive in 20 to 30 cm of snow no problem didn't even need 4 wheel drive . Even on ice they were great . The rear tires are wearing but that is my own fault for not rotating . Still lots of live left . They were installed Oct 2016 . Will purchase again for sure and have had friends install them on their trucks as well .
Date published: 2017-03-23
Rated 5 out of 5 by from Overall Great Performance on and off road I use these exclusively in the winter, but occasionally the weather gets warm before I take them off. This is going to be my fourth winter using them. I only wish I had them studded. I still use chains for really deep snow or ice, especially on steep forest service roads. Compared to standard street tires these tires are far superior. They're not a dedicated ice tire, but they last far longer. I do most of my driving on dry pavement and these tires are holding up fine and are much quieter than my ATP all terrains.
Date published: 2017-01-04
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