Discoverer M+S™

Fits SUVs/CUVs and Trucks/Pickups Winter

Discoverer M+S™ is rated 4.4 out of 5 by 37.
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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 Tire Weight Max Load Tread Depth (1/32")
225/70R14 99S STD BLK 6 - 7.5 6.5 9.1 26.26 7.01 27 1709 15
235/75R15 105S STD BLK 6 - 8 6.5 9.6 29.02 7.13 33 2039 15
235/75R15 109S RE BLK 6 - 7.5 6.5 9.4 29.02 7.2 36 2271 15
265/75R15 112S STD BLK 7 - 9 7.5 10.7 30.59 8.11 37 2469 15
235/70R15 103S STD BLK 6 - 7.5 7 9.6 27.99 7.4 30 1929 15
265/70R15 112S STD BLK 7 - 9 8 10.4 29.45 7.99 36 2469 15
225/75R16 104S STD BLK 6 - 7.5 6 8.7 29.17 6.81 30 1984 15
235/75R16 108S STD BLK 6 - 8 6.5 9.3 29.84 7.01 33 2205 15
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 39 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
235/70R16 106S STD BLK 6 - 7.5 7 9.4 28.86 7.4 32 2094 15
245/70R16 107S STD BLK 6.5 - 8 7 9.8 29.49 7.72 35 2149 15
255/70R16 111S STD BLK 6.5 - 8 7.5 10.3 29.88 7.99 35 2403 15
265/70R16 112S STD BLK 7 - 9 8 10.8 30.39 7.99 38 2469 15
255/65R16 109S STD BLK 7 - 9 7.5 10.2 29.17 8.27 35 2271 14
245/70R17 110S STD BLK 6.5 - 8 7 9.8 30.51 7.72 35 2337 15
255/70R17 112S STD BLK 6.5 - 8.5 7.5 10.3 31.22 8.19 41 2469 15
265/70R17 115S STD BLK 7 - 9 8 10.7 31.42 8.31 39 2679 15
235/65R17 104S STD BLK 6.5 - 8.5 7 9.4 29.06 7.76 33 1984 14
245/65R17 107S STD BLK 7 - 8.5 7 9.8 29.53 9.25 34 2149 14
255/65R17 110S STD BLK 7 - 9 7.5 10.1 30.2 8.5 37 2337 14
255/70R18 113S STD BLK 6.5 - 8.5 7.5 10.3 32.2 8.19 41 2535 15
275/65R18 116S STD BLK 7.5 - 9.5 8 11 32.17 9.09 45 2756 14
255/55R18 109S RE BLK 7 - 9 8 10.4 29.13 8.9 38 2271 14
275/60R20 119S RE BLK 8 - 9.5 8 10.9 33.03 9.21 48 2998 14
275/55R20 117S XL BLK 7.5 - 9.5 8.5 11 32.05 9.41 45 2833 14
LT235/75R15 104\101Q C BLK 6 - 7 6.5 9 28.82 7.2 35 1985 17
31X10.50R15LT 109Q C BLK 7 - 9 8.5 10.5 30.24 8.19 42 2270 19
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
LT225/75R16 115\112Q E BLK 6 - 7 6 8.9 29.29 6.69 35 2680 17
LT245/75R16 108\104Q C BLK 6.5 - 8 7 9.6 30.43 7.44 40 2205 17
LT245/75R16 120\116Q E BLK 6.5 - 8 7 9.6 30.43 7.44 43 3042 17
LT265/75R16 123\120Q E BLK 7 - 8.5 7.5 10.5 31.54 8.15 47 3415 17
LT265/75R16 112\109Q C BLK 7 - 8 7.5 10.3 31.54 8.15 43 2470 17
LT285/75R16 126\123Q E BLK 7.5 - 9 8 11.4 32.56 9.02 54 3750 17
LT235/80R17 120\117Q E BLK 6 - 8 6.5 9.4 31.85 7.01 43 3085 17
LT245/75R17 121\118R E BLK 6.5 - 7.5 7 9.9 31.81 7.64 46 3195 17
LT245/70R17 119\116Q E BLK 6.5 - 8 7 10.1 30.43 7.44 44 3000 17
LT265/70R17 121\118Q E BLK 7 - 8.5 8 11 31.65 8.39 49 3195 17
LT265/70R18 124\121R E BLK 7 - 9 8 10.7 32.64 8.62 52 3525 17
LT275/70R18 125\122R E BLK 7 - 8.5 8 10.9 33.15 9.02 54 3640 17
LT275/65R18 123\120R E BLK 7.5 - 9.5 8 11.1 32.09 8.9 52 3415 17
LT275/65R20 126\123R E BLK 7.5 - 9.5 8 11.1 34.17 9.02 58 3750 17

Reviews

Rated 5 out of 5 by from The best tires i ever had. I have always had cooper ties.But for rain sleet and snow the cooper m/s grip like no other tire.driving in a downpour they just grip,Driving off road in a foot of snow in upstate PA they grip 14 hrs blizzard got in my truck and went down the road,if you live where you have alto of snow. This is the best tire to have,total piece of mind in bad weather. Priceless.
Date published: 2018-08-23
Rated 5 out of 5 by from best tire on the market i have this tire on everything i drive...have used these for years....unbelievable tread depths....great traction in snow, rain, mud....best tires ive owned or sold....
Date published: 2018-08-23
Rated 1 out of 5 by from Tires won’t last. I purchased these tires had them studded and they performed well all winter. I had them changed out for my summer tires with just over 11000km on these tires. Two of the tires were wore pretty severe in the centre and two tires had normal wear. I had run these tires at the pressure recommended on the door of the truck. 39lbs. Cooper is denying warranty as they claim they should have been run at 35lbs and they were over inflated. Winter tires are softer and will not last as long but I have never experienced this type of wear with a properly inflated tire.
Date published: 2018-05-14
Rated 5 out of 5 by from great in the snow best winter tire for snow plowing excellent traction and deep snow performance
Date published: 2018-04-15
Rated 5 out of 5 by from 2nd set, best snow tire ever... I owned a set back when they were made by Dean tires, called a WinterCat SST and they were great then. Now, Cooper makes them and they are the same great tire. Work fantastic when studded up. I will buy again.
Date published: 2018-04-14
Rated 5 out of 5 by from Great all-around tough tire. I put these on a truck that runs in rock and sand on the ranch and at the mines. These tires do well in mud, sand, rocks, and snow. I rarely have to use 4WD. Not much tall rubber sway like some. These are my new favorites. Very tough. Heavier (10 Ply) handle best.
Date published: 2018-02-28
Rated 3 out of 5 by from Just average Just average is about all I can say about these tires. I did get them without studs, which I hate for because of noise. I should have gotten a stud-less tire instead. The traction on compact snow and ice with these tires just isn't very good without studs. It is probably better than the average all season tire, but not by much. They are pretty good in heavy snow, but I don't spend much time on that. The other thing I don't like is they don't handle as well as the other cooper all seasons I've had. I suppose that's to be expected, but I put stud-less snow tires on my wifes car and you can barely tell the difference. Not so with these. Pickup is pulled around more on the highway and they make the truck feel heavier and less responsive. If you get these, get them with studs. If you don't get the studded version then get a good stud-less tire. Finally, they seem to be wearing faster than I expected. I don't know the mileage exactly, but if I hit 35,000 with them I'd be surprised. I think I'll keep them on part way into summer to get the last bit of tread out of them and replace them next year. If I'd had the studs, I'd probably be able to recommend them. Without the studs, there are many better options out there.
Date published: 2018-01-16
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
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