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Cooper Discoverer MS

The Cooper Discoverer MS is a Touring Winter tyre designed to be fitted to SUV and 4x4s.

6.3
Tyre Reviews Score Based on User Reviews
Limited Confidence View Breakdown
Dry Grip
89%
Wet Grip
87%
Road Feedback
77%
Handling
77%
Wear
80%
Comfort
71%
Buy again
87%
Snow Grip
100%
Ice Grip
100%
9 Reviews
85% Average
136,020 miles driven
Cooper Discoverer MS

Cooper Discoverer MS

Winter Mid-Range
BETA
6.3 / 10
Based on User Reviews · Limited Confidence · Updated 23 Feb 2026

The Tyre Reviews Score is the most comprehensive tyre scoring system available. It aggregates professional test data from multiple independent publications, user reviews, and consistency analysis using Bayesian statistical methods, weighted normalisation, and recency-adjusted scoring to produce a single, reliable performance rating.

Learn more about our methodology
Score Components
Professional Tests
Weight: 80%
Tests: 0
Publications: 0
User Reviews
Weight: 15%
Reviews: 9
Avg Rating: 85.4%
Min Required: 5
Consistency
Weight: 5%
Score Std Dev: 1.89
History Points: 10
Methodology & Configuration
Scoring Process
  1. Collect Test Data: Gather results from professional tyre tests across multiple publications. Minimum 1 test(s) required.
  2. Normalize Positions: Convert test positions to percentile scores using exponential weighting (factor: 1.2).
  3. Apply Recency Weighting: More recent tests are weighted higher with a decay rate of 0.95.
  4. Incorporate User Reviews: Factor in user review data (minimum 5 reviews). Weight: 15%.
  5. Bayesian Smoothing: Apply Bayesian prior (score: 7, weight: 1.5) to prevent extreme scores with limited data.
  6. Calculate Final Score: Combine all components using normalization factor of 1.1. Max score with limited data: 9.5.
Component Weights
Test Data
80%
User Reviews
15%
Consistency
5%
All Configuration Parameters
ParameterValueDescription
safety_weight 0.7 Weight multiplier for safety-related metrics
performance_weight 0.55 Weight multiplier for performance metrics
comfort_weight 0.4 Weight multiplier for comfort metrics
value_weight 0.45 Weight multiplier for value-for-money metrics
user_reviews_weight 0.15 How much user reviews contribute to the final score
test_data_weight 0.8 How much professional test data contributes to the final score
consistency_weight 0.05 How much score consistency contributes to the final score
recency_decay_rate 0.95 Rate at which older test results lose influence (higher = slower decay)
min_test_count 1 Minimum number of professional tests required
min_review_count 5 Minimum number of user reviews required
score_version 1.9 Current version of the scoring algorithm
score_normalization_factor 1.1 Factor used to normalize raw scores to the 0-10 scale
confidence_factor_weight 0.2 How much data confidence affects the final score
position_penalty_weight 0.2 Penalty applied for poor test positions
gap_penalty_threshold 12 Score gap (%) that triggers additional penalties
min_metrics_count 2 Minimum number of test metrics needed per test
limited_data_threshold 2 Number of tests below which data is considered limited
single_test_penalty 0.75 Score multiplier when only one test is available
critical_metric_penalty 0.7 Penalty for poor performance on critical safety metrics
critical_metric_threshold 70 Score below which a critical metric penalty applies
position_exponential_factor 1.2 Exponent used to amplify position-based scoring
position_exponential_threshold 0.9 Position percentile below which exponential scoring applies
gap_multiplier_critical 3 Multiplier for critical gap penalties
max_category_weight 2 Maximum weight any single category can have
max_score_limited_data 9.5 Score cap when data is limited
bayesian_prior_weight 1.5 Weight of the Bayesian prior in smoothing
bayesian_prior_score 7 Prior score used for Bayesian smoothing
evidence_test_multiplier 1.9 Multiplier for test evidence in confidence calculation
evidence_metric_divisor 3 Divisor for metric count in evidence calculation
evidence_review_divisor 10 Divisor for review count in evidence calculation
combined_penalty_floor 0.2
All Tests

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Top 3 Cooper Discoverer MS Reviews

Jeep (235/70 R16) on a combination of roads for 43,000 easy going miles
The Cooper Discoverer M+S where mounted on the car (Jeep Grand Cherokee 1997 4.0 I6) when I bought it second hand. It had about 196000km on the clock at the time, unsure how long the previous owner had used them, and I sold the car at 266000km. During the time, I used the tyres all year around in the middle to southern parts of Sweden. Mid ownership, I had to replace a pair due to an unfortunate puncture on a rear tyre, which was caused by a very sharp piece of steel perforating the rubber and lining. I got a new pair for the rear axle and trucked on for another year or so. They performed excellent in snow and ice as well as in the colder months of spring and fall. The grip was excellent on all surfaces: asphalt, gravel, dirt roads, packed snow, ice, sand, grass and mud. I cannot however speak to the performance on offroad trails as I never did that stuff. Especially the grip performance on packed and loose snow on highway roads was outstanding, even when putting on the gas and blazing on at 100km/h. I could really feel that I could trust the tyres doing an excellent job at keeping the car on the road, even when plowing through slush and strings of snow on the road, only keeping the car pointing in the direction you want to go. The downsides with the tyre from my experience, was the softness of the rubber during the summer. The grip was good on dry and wet roads even around 30 degrees C, but the car felt a lot like a boat on high seas. The road feedback and especially the handling was mediocre, perhaps decent at best as quick turnings of the wheel doesn't equate to sharp turnings. Road noice was nothing really to get upset about, but I figure that summer tyres would be significantly more quite. The ride comfort was excellent though. After using the tyres for 70000km or 43000miles, the tread was shoing signs of wear on the front axle (as I got new ones on the rear), but had at least one, or perhaps two seasons left. In my opinion, if you are looking for a reliable, dependable, comfortable allround truck/4x4 tyre for daily on- and light offroad use and are not concerned with looks and handling, I would highly recommend the Cooper Discoverer M+S. As a winter tyre for your 4x4, this is excellent.
October 18, 2020
Given 100% while driving a Nissan Terrano II (235/75 R15) on a combination of roads for 10,000 average miles
I have this tyres on my R20 and I'm very happy with them. Used on/off road this is is best "winter all terrain" tyres ever made.
November 29, 2020
Given 83% while driving a Land Rover Defender (235/85 R16) on mostly town for 50,000 average miles
I have these on my LR Defender 90. I live in Estonia and starting from October we have snow and ice till May. I have only good things to say about this tire - have used mine for about 6 years and will probably have to replace them next year. I usually switch for Nokian studded tires for the hardcore winter period, but 2 years ago I kept them on through the winter and they did well enough (not comparable to studded tires, but still relatively reliable).

The only negative I have to say about them is the not so strong side wall, which makes the tire bulge on the side at lower PSI. Other than that a definite recommend.
June 25, 2018

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Latest Cooper Discoverer MS Reviews

Kia Motors Sorento EX 2.5 (245/70 R16) on mostly country roads for 0 average miles
Driven 70.000 km om these. Very good in snow. Have bought two sets. 20 % with horsetrailer.
June 25, 2017
Given 83% while driving a Toyota Hilux mk6 3.0 (225/45 R17) on a combination of roads for 10,000 spirited miles
I have these tires under a dubb. cab Hilux 3.0 d4d. I drove them in Holland, Switzerland, Austria, Hungary, Germany and Romania. These tires rock! I drove them on and off-road in any winter condition imaginable. Mud, Ice, Snow, Slush and anything in between. Had a lot of snow and ice in Swizerland, -14 Celsius in Romania and never ever had any trouble! I can really recommend them. I bought them because they we're the only winter tires with a bit of off-road profile. And yes they preformed well there too! I mean these are not Mud tires, and tend to fill up quickly but they are taking me through a lot of forest road without any trouble whatsoever. And on the highways driving 160 kmph, no complaints either!
235/70/15.
March 23, 2016
Check out how the BEST all seasons tyres perform against premium summer and winter tyres!
Given 50% while driving a Mitsubishi Outlander (215/70 R16) on mostly town for 20 average miles
Worst tires I have ever had. I have had them for a year now. About 2 months ago they started getting really loud, I mean when your sitting in the back seat of our Outlander you can not hear the people in the front seat talking. We just had them rotated and they told us we needed to have another alignment (3 so far with these tires). So now it's a really rough ride along with a lot of vibration till I can get them aligned.
October 4, 2013
Given 86% while driving a Land Rover Defender (265/75 R16 R) on mostly country roads for 3,000 average miles
Have these tyres on our Land Rover Defender. They are great, both for road use and offroad. I think this is one of the best compromisses between road and offroad ability on the market.
We have studded our tyres.

June 7, 2011
Given 86% while driving a Dodge Cummins 2500HD (265/75 R16) on a combination of roads for 20,000 easy going miles
Foe trucks and SUV's this is an excelent winter tire that will last longer than many others. I did not stud mine and on trips to Wyoming in winter from Wa. they performed better than ANY tire I've ever owned including several brands I've tried in nearly 500k on my Dodge Cummins 4x4.

They are the only tire I've purchased again! If you go in the ditch with these, you shouldn't be operating a motor vehicle...
October 18, 2010
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