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Kumho Ecsta KH11 View Gallery (1)

Kumho Ecsta KH11

Kumho Tyres High Performance Summer

The Kumho Ecsta KH11 is a High Performance Summer tyre designed to be fitted to Passenger Cars.

6.6
Tyre Reviews Score Based on User Reviews
Limited Confidence View Breakdown
Dry Grip
72%
Wet Grip
64%
Road Feedback
68%
Handling
66%
Wear
83%
Comfort
73%
Buy again
62%
5 Reviews
70% Average
96,100 miles driven
Kumho Ecsta KH11

Kumho Ecsta KH11

Summer Mid-Range
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: 5
Avg Rating: 69.6%
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

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Top 3 Kumho Ecsta KH11 Reviews

Given 90% while driving a BMW 740i (225/45 R17) on a combination of roads for 50,000 average miles
Had these fitted after my Pirellis and these lasted longer, around 80k km per set with regular rotation and balancing. These were fitted to an e38 740i which was mainly used for daily long distance travelling. The fuel economy was pretty standard compared to previous Pirellis and Michelin. The tyres really proved to be well balanced in both wet and dry conditions, at a fraction of the cost on the Pirellis P6000 I had previously fitted. I will again for these. Was quite impressed with the longevity.
Ask a question | Helpful 899
May 28, 2021
Given 47% while driving a Nissan Nissan X Trail 2.0 (215/60 R16 V) on a combination of roads for 2,000 average miles
Came with the car, more than half tread depth left so I thought they would be ok for another year or more - WRONG! They wore rapidly even though I constantly checked pressures and I was less than happy with the grip in any conditions but especially the wet. Overall very disappointed.
Ask a question | Helpful 520
August 13, 2016
Given 10% while driving a Porsche 996 C4S (295/30 R18 W) on mostly motorways for 100 average miles
terrible tyres. Absolutely gutted. Side wall must be made of cardboard, as my Porsche is now scary to drive! Lost all confidence in handling, the rear rolls on the rim when you change direction. Very poor. Should have spent the extra 100 odd on Michelin!
Ask a question | Helpful 512
February 20, 2015
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Latest Kumho Ecsta KH11 Reviews

Given 90% while driving a Audi A2 (185/50 R16 T) on a combination of roads for 40,000 average miles
Bought this car 2nd hand with these tyres fitted all round and dealer agreed to replace the front ones for the same tyres which lasted just short of 40,000 miles!! on 'A' class and country roads. And, over the 3 years of life returned an average 69mpg.
'Comfort' and 'Grip' are difficult to measure objectively in this car as it has a firm suspension, drives like a go-kart round corners and roundabouts and, sticks to the road like glue in all but icy conditions.
Would I buy it again? - unfortunately, the KH11 is no longer made...
Ask a question | Helpful 524
April 4, 2013