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Westlake SW602 All Season

The Westlake SW602 All Season is a Touring All Season tyre designed to be fitted to Passenger Cars.

2.6
Tyre Reviews Score Based on Professional Tests
Limited Confidence View Breakdown
Dry Grip
70%
Wet Grip
70%
Road Feedback
70%
Handling
70%
Wear
30%
Comfort
50%
Buy again
30%
Snow Grip
90%
Ice Grip
80%
1 Reviews
62% Average
9,000 miles driven
2 Tests (avg: 22nd)
Westlake SW602 All Season

Westlake SW602 All Season

All Season Budget
BETA
2.6 / 10
Based on Professional Tests · 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
Wet
62.5
1.93x / 1 test
Dry
42.5
1.5x / 1 test

Cross-category scores are derived metrics that combine data from multiple test disciplines to evaluate real-world performance characteristics.

Braking
53.2
2 tests
Score Components
Professional Tests
Weight: 80%
Tests: 2
Publications: 2
Period: 2016 - 2022
User Reviews
Weight: 15%
Reviews: 1
Avg Rating: 62.2%
Min Required: 5
Consistency
Weight: 5%
Score Std Dev: 1.07
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
Data Sources
TestPublicationDateSizePositionMetrics
2022 All Season Tyre Market Overview Auto Bild 2022 195/55 R16 33/37 2 metrics
2016 GF All Season Tyre Test Gute Fahrt 2016 205/55 R16 11/11 0 metrics
2
Tests
22nd
Average
11th
Best
33rd
Worst
Latest Tyre Test Results
33rd/37
2016 GF All Season Tyre Test
205/55 R16 • 2016
11th/11
Satisfactory handling on snow, in the dry and wet (but worse than the best tyres)
Low braking performance, the weakest resistance to aquaplaning

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Latest Westlake SW602 All Season Reviews

Given 62% while driving a SEAT Altea (205/55 R16 H) on mostly town for 9,000 average miles
I think that these tires are simply winter tires, on which the producer has written "all season" tires.
Be aware that these tires wear really fast.
I won't buy them again.
July 10, 2019
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