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Nokian Z

Nokian Tyres High Performance Summer

The Nokian Z 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
90%
Wet Grip
80%
Road Feedback
79%
Handling
83%
Wear
87%
Comfort
80%
Buy again
90%
7 Reviews
84% Average
145,000 miles driven
Nokian Z

Nokian Z

Summer Mid-Range
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: 0
Publications: 0
User Reviews
Weight: 15%
Reviews: 7
Avg Rating: 84.1%
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
All Tests

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Top 3 Nokian Z Reviews

Given 83% while driving a Ford Galaxy (225/45 R17) on a combination of roads for 14,000 average miles
I bought these (As runflats) to replace my other front two top end tyres that I had only got 13k miles out of. I have currently got 14k miles and counting from them and there is still 5mm+ of tread! They are a great tyre, I just wish they were easier to get hold of, and still as cheap as when I bought them
Ask a question | Helpful 510
April 18, 2011
Given 51% while driving a BMW E36 328i Sport (255/40 R18 W) on a combination of roads for 20,000 spirited miles
These tyres look nice and have a V tread pattern and handle good in the dry with no problems. BUT in the wet pushing 200BHP+ rear wheel drive these tyres are poor and I had no confidence in throwing the car around and had to slow for roundabouts as was always worried about the tail end slipping out, as I had experienced previously. Not bad for a budget tyre but compared to the Michellins PS2 I have now.......... well you cant compare them......... simples!!
| Helpful 523
October 12, 2009
Given 89% while driving a Honda Prelude (215/45 R17 W) on a combination of roads for 40,000 spirited miles
Bought these tyres to replace Bridgestone Potenza's. These tyres are highly rated in northern Europe, made in Finland. Was a bit scepticle about them as they were only ?60 per corner fitted compared to the ?115 for the Bridgestones which had lasted only 8K miles, best decision I have made! When coming up to a corner at speed you know you are going to get round it, be it wet or dry. You can feel the tyres traction breaking away when pushing too hard so have time to react. Tyres now done 7K and only half worn so they are very good value for money. Came out very well in a recent Which? survey, only problem is they are very hard to source in the UK so I don't know if I will be able to replace them when they are done.
Ask a question | Helpful 456
July 20, 2009
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Latest Nokian Z Reviews

Given 86% while driving a Volkswagen Passat 1.9TDi Sport Estate (Chipped) (205/55 R16 W) on a combination of roads for 30,000 average miles
Review for the Nokian Z - Recommened these by some of our family that are living in Sweden, their Winter tyres have a huge reputation in Northern Europe, Canada etc.

These have been nothing short of incredible - I've gone through the Michelin Primacy, Goodyear NCT's, Bridgestone ER 30 & 300...and by far the Nokians have been the best.

In simple terms I hardly see the traction control light come on anymore, the grip is excellent especially under power - with the engine management re-done on the car I was forever slipping the front's with previous tyres but with these it's almost gone. The horrible under-steer I'd got used to with the Michelins has gone, with no real loss in over all wear - done nearly 30,000 on the set.

Wet grip is easily as good as the other brands - feedback is a little remote, but they are quiet.

About half way through their life I did have new Koni Shocks and Eibach springs fitted, which has also probably helped the tyres perform at their best - but they really haven't felt out of place in this suspension set up.

I'd buy them again, but they are very difficult to find here in the UK - when I bought them they were about ?55.00 fitted - best I can find via the web now is - ?74.00 non fitted...they really deserve more pressence in the market.
Ask a question | Helpful 454
November 28, 2008