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Westlake SA 07

The Westlake SA 07 is a High Performance Summer tyre designed to be fitted to Passenger Cars.

6.3
Tyre Reviews Score Based on User Reviews
Limited Confidence View Breakdown
Dry Grip
71%
Wet Grip
41%
Road Feedback
45%
Handling
49%
Wear
58%
Comfort
64%
Buy again
39%
8 Reviews
52% Average
11,000 miles driven
1 Tests (avg: 14th)
Westlake SA 07

Westlake SA 07

Summer Budget
BETA
6.3 / 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: 1
Publications: 1
Period: 2015
User Reviews
Weight: 15%
Reviews: 8
Avg Rating: 52.4%
Min Required: 5
Consistency
Weight: 5%
Score Std Dev: 1.9
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
Data Sources
TestPublicationDateSizePositionMetrics
2015 AZ 225/40 R18 Summer Tyre Test Auto Zeitung 2015 225/40 R18 14/14 0 metrics
1
Tests
14th
Average
14th
Best
14th
Worst
Latest Tyre Test Results
14th/14
Low rolling resistance
Nervous handling on the rear axle, and the longest braking distances on wet surfaces, poor resistance to aquaplaning, long braking distances and very early transition to understeer in the dry

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Top 3 Westlake SA 07 Reviews

Given 39% while driving a Subaru 2017 Wrx base (245/40 R18) on mostly town for 0 average miles
These were on the car when bought and will never buy again these tires traction is there one minute and gone the next just bought a set of nittos i'll enter a review of those after i get them on and take it to the dragon to test!
Ask a question | Helpful 905
March 3, 2024
Given 69% while driving a Audi (225/40 R18) on a combination of roads for 0 spirited miles
These came on my car when I bought it used. They were not new tires and the time and I put an extra 13,000 miles on them. They were absolutely fine, nothing special. I drove them enthusiastically in all 4 midwestern seasons, including full snow driving. Obviously they slip in extreme wet or snow, but it's what you would expect. Never spun out if I didn't want to. These are absolutely fine all season tires for the price. No serious complaints.
December 7, 2023
Given 91% while driving a Toyota Estima Aeras G (215/60 R16) on a combination of roads for 1,500 average miles
All this people that say this 2 rating and rubbish tyre actually are dammed stupid and egotistical i should say and they are playing with placebo effect..before i use this westlake sa07 i use yokohama and continental tyre..there is no difference whatsoever in handling and actually this westlake cornering is way better than overatted Yokohama tyre…its on par with the continental tyre..thk westlake for nanufacturing this really germs underated tyre..thk again..keep up the good work
July 26, 2023
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Latest Westlake SA 07 Reviews

Given 41% while driving a Audi A4 1.9 TDI (235/45 R17) on mostly town for 500 average miles
These tyres came with a set of wheels I bought for my Audi. Absolute HORRIBLE tyres, when I put them on I immediately felt negative feedback from them and knew they was rubbish. In the wet pulling away they do nothing but spin unless I pull off very gently, going around islands in the wet can be dangerous because they can and will slide out if going at a steady pace (I had to slow right down on islands). They have a nasty habit of tram lining as well, never really had this problem before but after fitting different tyres this issue is non existent again so they definitely tramline on certain surfaces. They are reasonable in the dry but nothing special, they are also fairly quiet. I thought I scored a bargain with these because they had over 4mm of thread but removing them was the best think I did. Removed after sub 500miles
December 11, 2020
Given 32% while driving a Mazda MX5 (205/50 R16 V) on mostly country roads for 1,000 average miles
These tyres were already fitted to my mx5 when I bought it. In the dry they grip ok but tramline like crazy. They give a comfortable ride, but that is the only positive thing you can say about them. In the wet they are positively dangerous, they lose grip very unpredictably and at quite low speed, on roundabouts you just never know when they will let go, I have a number of moments with them, which because of the wonderful handling of the Mazda I have been able to control, but they are scary!
I would not recommend these tyres at all to anyone, ever!
November 5, 2017
Check out how the BEST all seasons tyres perform against premium summer and winter tyres!
Given 33% while driving a (215/45 R17 W) on for 0 miles
Perfectly fine grippy tyres in the dry.

As soon as the road becomes wet with drizzle or it starts raining, my car turns into a FWD drift machine. If you value your life with the British weather, do as I have and get them changed immediately. I now have a set of Michelins on all my wheels and I feel much safer already, no more wheelspin in second gear when the roads have a little bit of drizzle on them.

God forbid actually using these rubbish tyres when it is snowing or icy... deathwish.
November 17, 2016
Given 24% while driving a Mercedes Benz E270 (225/55 R16 W) on mostly town for 5,000 easy going miles
bought two Weslake tyres and told fitters that i carry a grandchild so want good tyres they recommended these tyres, worst tyres i have ever bought. They are o k in the dry but your heart is in your mouth in the wet, spin out every time on round abouts and turning corners, i contacted national Tyres kilmarnock where bought they did nothing. I have done approx 5,000 miles will need changed quite soon again. Would not recommend.
April 3, 2015