Menu

Michelin 4x4 Diamaris

The Michelin 4x4 Diamaris is a High Performance Summer tyre designed to be fitted to SUV and 4x4s.

6.6
Tyre Reviews Score Based on User Reviews
Limited Confidence View Breakdown
Dry Grip
90%
Wet Grip
82%
Road Feedback
88%
Handling
87%
Wear
72%
Comfort
83%
Buy again
72%
6 Reviews
82% Average
154,500 miles driven
Michelin 4x4 Diamaris

Michelin 4x4 Diamaris

Summer Premium
BETA
6.6 / 10
Based on User Reviews · Limited Confidence · Updated 30 Jan 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: 6
Avg Rating: 81.9%
Min Required: 5
Consistency
Weight: 5%
Score Std Dev: 1.98
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 1.8 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 8 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 0.1 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
All Tests

Sorry, we don't currently have any magazine tyre tests for the Michelin 4x4 Diamaris

Alternative Tyres

7.6/10
85% 16 reviews
7.2/10
94% 5 reviews
7.1/10
75% 25 reviews
6.7/10
81% 17 reviews
6.6/10
83% 8 reviews
6.5/10
75% 11 reviews
6.5/10
74% 12 reviews
6.1/10
86% 22 reviews
66% 4 reviews

Questions and Answers for the Michelin 4x4 Diamaris

Ask a question
Sorry, we don't currently have any questions and answers for the Michelin 4x4 Diamaris. Why not submit a question to our tyre experts using the form below!
Ask a question

We will never publish or share your email address

captcha

To verify you are human please type the word you see in the box below.

Top 3 Michelin 4x4 Diamaris Reviews

Given 66% while driving a Volvo XC90 D5 185 HP (235/65 R17 V) on a combination of roads for 20,500 average miles
I bought these tyres in June 2015. I did a summer season and a winter season with them. After 33406 km, in November 2016 I went to get winter tyres. At this time, it was observed that the 2 front Diamaris tyres were spent (the guy showed me the wear and I sort of trust him). The 2 back ones were still OK and I put them in storage for the winter).
I am disappointed that they lasted only 33000 km (20500 miles). They cost quite a bit and I was hoping for a premium brand.
I drive lots of highway at 130 km/h. But there's some city driving every day too. My average mileage with the 2007 Volvo XC90 (Diesel 2.4L AWD) is 32 MPG, which may give an idea of my driving style: not too rough.
Ask a question | Helpful 537
June 5, 2017
Given 100% while driving a Land Rover Range Rover Sport (275/40 R20) on a combination of roads for 0 spirited miles
this is the best tyre I have ever had (used Continental and Goodyear on same car). It is precise, low noise, excellent comfort. Although it is an M&S tyre it is not meant for snow driving (braking)
February 26, 2012
Given 99% while driving a BMW 4.6IS (225/45 R17) on mostly motorways for 27,000 average miles
BMW X5 4.6IS 53 Plate,
This vehicle is now on its third set of tyres, all Michelin 4x4 Diamaris, this is one of 3 X5's we have all on 20" factory rims. The tyre has proved its worth by far. Surpassing all cheaper brands for these rims. This last set has just been changed @ 27k miles with another 2k left in them, however a trip to Chamonix would be pushing it!! Pricey yes @ £1200 a set but they have performed well on all the 3 vehicles we have. Dunlop's just as pricey and last 20k on the rear. The vehicles are driven hard and carry loads, wear generally occurs when the suspension bushes are worn and the ride camber changes. Crutial on the X5 to check suspension wear after 20k. Would I by them again? Certainly for X5's.
February 2, 2011
Have you driven on the Michelin 4x4 Diamaris tyre?

Have YOU got experience with the Michelin 4x4 Diamaris? Help millions of other tyre buyers

Review your Michelin 4x4 Diamaris >

Latest Michelin 4x4 Diamaris Reviews

Given 47% while driving a BMW X5 3.0d Sport (285/45 R19 V) on a combination of roads for 62,000 average miles
BMW X5 3.0D Sport.
First impressions were good straight out of shop... Very soon I could see significant wear. Grip in dry was quite OK and wet grip was a a little disconcerting at times. Replaced a set of ER30 Turanza Bridgestone which came factory fitted. The ER30's gave me 43000 and even then the fronts still had possibly 5k in em. The rears had seen their best due to camber.
The Diamaris have done 17000 and the wear level indicators are not too far away.
However... Not going to see how much more life they have...
Offside rear exploded on M60 on Wednesday last without any warning. Did not hit anything and was in Cruise at about 65-70 and luckily not any quicker... There was No sidewall damage or off road use and for that matter I even take good care not to bounce over bumps or kerbs.
Put that down to just bad luck...
Today while on route to Tyre shop for a quote... Near side Rear Exploded just like OffSide. These tyres have to go now.
Would be very nervous using these again.
To sum up... Not high milers, Not as good for my type of driving as Turanzas, Not as good in wet or dry, Back to Bridgestones for me. Could be just bad luck but am not going to test it.
Safe Driving
August 9, 2009