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Michelin Latitude Diamaris

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

6.4
Tyre Reviews Score Based on User Reviews
Limited Confidence View Breakdown
Dry Grip
95%
Wet Grip
75%
Road Feedback
58%
Handling
77%
Wear
85%
Comfort
85%
Buy again
73%
5 Reviews
78% Average
290,000 miles driven
Michelin Latitude Diamaris

Michelin Latitude Diamaris

Summer Premium
BETA
6.4 / 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: 5
Avg Rating: 78.1%
Min Required: 5
Consistency
Weight: 5%
Score Std Dev: 1.93
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 Latitude Diamaris

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Top 3 Michelin Latitude Diamaris Reviews

BMW X5 3.0d Sport (255/50 R19) on mostly motorways for 160,000 average miles
I've had my X5 3.0D Sport for 6 years and covered 120000 miles I've had 2 sets of these and covered 62000 on last set, and achieved up to 35.3mpg on a regular basis! Just changed to a new set of latitude sport 3 and was disappointed, noisier and les fuel efficient, only achieving 32mpg now.
Ask a question | Helpful 545
November 19, 2017
Given 96% while driving a BMW X5 3.0 diesel (225/45 R17) on a combination of roads for 40,000 easy going miles
bought a set for fronts new on bmw x5. lasted over 40,000 miles until min limit reached!
great in dry, full confidence in wet apart from aquaplaning in standing water at high speed due to width i suppose.
coped well enough on snow and ice.
very quite tyre and long lasting. Definitely buy again
October 15, 2012
Given 83% while driving a BMW X5 (245/45 R17) on a combination of roads for 38,000 easy going miles
WE had these on a 2003 X5, easygoing miles. We covered approximately 38,000 miles on them so far - and near the limit soon. I think they will cover 40,000 miles no problem. They are expensive at the outset, but if you treat them well they will last and give good feedback and grip in all conditions.
March 22, 2013
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Latest Michelin Latitude Diamaris Reviews

Given 56% while driving a Mercedes Benz ML (275/55 R17 V) on mostly country roads for 20,000 average miles
Great in the dry - not good in the wet - hopeless in the snow. Even from new any standing water made the traction light flash. Maybe the wider profile (275) was partly to blame. Would not buy again.
June 17, 2011