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Infinity Ecofour View Gallery (1)
155-235/40-80 R13-19 39 sizes 2018 Winter rated

Infinity Ecofour

Infinity Tyres Touring All Season

The Infinity Ecofour is a Touring All Season tyre designed to be fitted to Passenger Cars.

5.9
Tyre Reviews Score Based on Professional Tests
Limited Confidence View Breakdown
Dry Grip
80%
Wet Grip
80%
Road Feedback
80%
Handling
80%
Wear
80%
Comfort
70%
Buy again
80%
Snow Grip
80%
Ice Grip
80%
1 Reviews
79% Average
10,000 miles driven
1 Tests (avg: 16th)
Infinity Ecofour

Infinity Ecofour

All Season Economy
BETA
5.9 / 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
Category Scores
Value
84.9
0.42x / 3 tests
Ice
74.5
0.84x / 1 test
Comfort
73.4
0.32x / 2 tests
Snow
62.2
1.38x / 2 tests
Dry
54.4
1.5x / 1 test
Wet
40
1.93x / 4 tests
Cross-Category Performance

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

Traction
67.6
1 test
Braking
53.3
5 tests
Score Components
Professional Tests
Weight: 80%
Tests: 1
Publications: 1
Period: 2024
User Reviews
Weight: 15%
Reviews: 1
Avg Rating: 78.9%
Min Required: 5
Consistency
Weight: 5%
Score Std Dev: 1.18
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
2024 ADAC All Season Tyre Test ADAC 2024 205/55 R16 16/16 13 metrics
All Tests
View Test Results
1
Tests
16th
Average
16th
Best
16th
Worst
Latest Tyre Test Results
2024 ADAC All Season Tyre Test
205/55 R16 • 2024
16th/16

The Infinity Ecofour tyre receives an overall poor rating for driving safety. It shows significant weaknesses on winter roads and performs poorly on dry surfaces. However, it manages a satisfactory rating on wet roads.

On dry surfaces, the tyre offers barely adequate steering feedback and is very imprecise. The driver must constantly correct steering as the tyre responds to inputs with significant delay. The test vehicle tends to oversteer early in dynamic maneuvers, with limit behavior rated as adequate. Braking distance is rated as satisfactory.

On wet roads, the Ecofour struggles. Its braking distance and aquaplaning resistance (both longitudinal and lateral) are rated as satisfactory. However, its handling receives a poor rating due to very low grip levels, early under- and oversteering, and long sliding phases, making it difficult to control.

In winter conditions, the Infinity manages a satisfactory rating overall. It achieves good scores in snow and ice braking tests and narrowly misses a good rating in snow traction. Its handling on snow is rated as satisfactory, with room for improvement in combining longitudinal and lateral forces.

Environmentally, the Chinese-made Infinity Ecofour secures a good rating. Both its projected mileage and wear are rated as good. The tyre's efficiency is rated as good thanks to very low fuel consumption, though it narrowly misses a good rating in weight.

.
Size Fuel Wet Noise
13 inch
155/80R13 79 T D C 71
14 inch
175/65R14 82 T D C 71
185/60R14 86 H XL C C 71
165/70R14 81 T D C 71
15 inch
185/65R15 92 V XL C C 71
195/55R15 89 V XL C C 72
195/65R15 95 V XL C C 72
16 inch
205/55R16 94 V XL C C 72
205/60R16 96 V XL B D 72
215/60R16 99 V XL B D 72
17 inch
205/50R17 93 V XL C C 72
215/55R17 98 V XL B D 72
225/45R17 94 W XL C D 72
225/50R17 98 V XL B D 72
18 inch
225/40R18 92 Y XL C C 72
View All Sizes and EU Label Scores for the Infinity Ecofour >>

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