Discoverer M+S™

Fits Trucks/Pickups 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")
LT235/75R15 104\101Q C BLK 6 - 7 6.5 9 28.82 7.2 1985 17
31X10.50R15LT 109Q C BLK 7 - 9 8.5 10.5 30.24 8.19 2270 19
LT215/85R16 115\112Q E BLK 5.5 - 7 6 9.1 30.28 5.91 2680 17
LT235/85R16 120\116Q E BLK 6 - 7.5 6.5 9.3 31.77 6.93 3042 17
LT225/75R16 115\112Q E BLK 6 - 7 6 8.9 29.29 6.69 2680 17
LT245/75R16 108\104Q C BLK 6.5 - 8 7 9.6 30.43 7.44 2205 17
LT245/75R16 120\116Q E BLK 6.5 - 8 7 9.6 30.43 7.44 3042 17
LT265/75R16 123\120Q E BLK 7 - 8.5 7.5 10.5 31.54 8.15 3415 17
LT265/75R16 112\109Q C BLK 7 - 8 7.5 10.3 31.54 8.15 2470 17
LT285/75R16 126\123Q E BLK 7.5 - 9 8 11.4 32.56 9.02 3750 17
LT235/80R17 120\117Q E BLK 6 - 8 6.5 9.4 31.85 7.01 3085 17
LT245/75R17 121\118R E BLK 6.5 - 7.5 7 9.9 31.81 7.64 3195 17
LT245/70R17 119\116Q E BLK 6.5 - 8 7 10.1 30.43 7.44 3000 17
LT265/70R17 121\118Q E BLK 7 - 8.5 8 11 31.65 8.39 3195 17
LT265/70R18 124\121R E BLK 7 - 9 8 10.7 32.64 8.62 3525 17
LT275/70R18 125\122R E BLK 7 - 8.5 8 10.9 33.15 9.02 3640 17
LT275/65R18 123\120R E BLK 7.5 - 9.5 8 11.1 32.09 8.9 3415 17
LT275/65R20 126\123R E BLK 7.5 - 9.5 8 11.1 34.17 9.02 3750 17

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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