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Primewell PZ900

The Primewell PZ900 is a Ultra High Performance Summer tyre designed to be fitted to Passenger Cars.

4.7
Tyre Reviews Score Based on User Reviews
Limited Confidence View Breakdown
Dry Grip
72%
Wet Grip
58%
Road Feedback
54%
Handling
57%
Wear
57%
Comfort
50%
Buy again
42%
59 Reviews
56% Average
980,274 miles driven
Primewell PZ900

Primewell PZ900

Summer Budget
BETA
4.7 / 10
Based on User Reviews · 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
Score Components
Professional Tests
Weight: 80%
Tests: 0
Publications: 0
User Reviews
Weight: 15%
Reviews: 59
Avg Rating: 55.8%
Min Required: 5
Consistency
Weight: 5%
Score Std Dev: 0.09
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
All Tests

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Top 3 Primewell PZ900 Reviews

BMW (225/50 R16) on a combination of roads for 0 average miles
I drive a 3 series bmw, Bought these tires new and this is how it breaks down....road noise, half the advertised milelage wear, you will experience grip and comfort for the first 5k then you can experience every imperfection of the road. I accept responsibility for not researching for a better tire that actually was congruent with the price and overall performance. Very unhappy!
June 24, 2020
Given 76% while driving a Ford Mustang GT Convertible (225/55 R16 W) on a combination of roads for 8,000 spirited miles
I purchased these tires because of price about 5yrs ago. They handle great, almost no road noise. Very happy for such a low cost tire.
July 10, 2019
Given 87% while driving a BMW 1 series M pack (265/45 R18 W) on a combination of roads for 0 spirited miles

Mann where are these people driving there cars
With these review ?
i have a set on my 2012 BMW M1 and they handle amazingly great
Maybe cause i went to driving school .....and i drive my car ...like really drive it
i only get 350 KM or 217 MP to the tank ....this car was made to be driven and with these tires on its a match
9 out of 10...my opinion!!
February 3, 2019

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Latest Primewell PZ900 Reviews

Given 73% while driving a BMW 530d Auto SE LCI (225/55 R16 V) on a combination of roads for 21,000 spirited miles
Put 4 of these on 3 yrs ago, not out of choice but due to budget or rather lack of. Despite the fairly detrimental reviews they really weren't that bad, bit noisy, but gripped well in dry and whilst wouldn't push them in the wet they weren't prone to aquaplaning. Lasted 21k miles but are now shredded. Good value for money.
August 23, 2016
Vauxhall (225/45 R17) on mostly town for 8,000 average miles
Alot of noise from road but they did not last long had to change still with 7mm tread left as all four tyres cracked and nearly crashed car as had a blow out on m6 never buy again
April 9, 2016
Check out how the BEST all seasons tyres perform against premium summer and winter tyres!
Given 14% while driving a Nissan 300zx (245/40 R16) on mostly town for 5,000 average miles
This is the worst tyre I've had the misfortune of experiencing. These are dangerous tyres
Came on the car when I bought it, the grip was unbelievably terrible. Car was standard, and was caught out when the tyres span up in 3rd gear @ 70mph. This happened on many occasions. Couldn't go full throttle in 1st or 2nd gear as grip was nonexistent. I couldn't enjoy the car at all.
In the wet the car was just flat out scary, extremely unpredictable.
There was 0 feedback, you could never tell what they would do.
Luckily the tyres only lasted 5k miles before they were totally bald and needed replacing.
My brother who also had a 300zx got his with Pirelli p600s (aka the ditch finders) and he said these were even worse than they were, which is saying a lot.
They were replaced with thinner 235 Goodyear eagle f1 as2 and the difference was unbelievable. The car was amazing to drive, loads if feedback, wet and dry grip was great. Soon moving to 245/265 as2s.
There is no way I could recommend this tyre to anyone at all.
February 23, 2016
Given 23% while driving a Kia Motors (225/45 R17) on a combination of roads for 24,000 average miles
Wow what a shock. When I ordered my new car in 2012 it did not come with a spare and I asked for one to be included with a wheel as the car had a spare wheel well. I rather naively expected it to be fitted with the same tyre as on the car which had165/55 R16 H Kuhmo Solace all round, and I did NOT check on delivery. My BIG mistake because 3 years later when I was ready to replace the tyres I found to my horror that it was a Primwell on the rim in on the spare and considering it cost me £200 for this I am more than a little aggrieved. It was fitted for about a week before I replaced it with another Kuhmo and it was consigned back to be used only if absolutely necessary.

So lesson learned, I did not check and I was fobbed off with something less than I would have found acceptable. Take note Northgate Garage, Canterbury, Kent, You will NEVER receive another order for a new car from me! You only get to fool me once, another couple of garages have tried in the past and lost MY custom FOREVER.

Summary, this is a CHEAP tyre, expect poor grip, especially in the wet and poor wear resistance with increased road noise. I value my life too much to use inferior products and my dealer should have done too. I thought I knew all the tricks after 40 years of motoring but this is another lesson learned.
June 27, 2015
Given 33% while driving a Ford Focus (225/45 R17) on mostly motorways for 18,000 average miles
the noise is unbearable... they cupped at 18000 miles

May 26, 2015
Given 47% while driving a Rover 75 auto (225/45 R18) on a combination of roads for 1,000 average miles
These tyres were ok in the wet and dry.
The noise though, was totally unacceptable, turned my normally quite car into a rumble strip. Changed them after less than 1000 mile. I just could not put up with the noise.
May 2, 2015
Given 89% while driving a Volkswagen MKV GTI (235/35 R19) on mostly town for 0 average miles
this is a performance tires. definitely not for snow. Good handling with low profile.
March 26, 2015
Given 36% while driving a Lexus ES350 (225/45 R17) on mostly town for 10,000 average miles
I bought a set of four. The road noise is terrible. They may be good for dry conditions but not for snow and ice. Totally helpless. Would not recommend or buy again.
December 28, 2014
Given 50% while driving a Ford Focus (205/50 R16) on mostly town for 3,000 easy going miles
I bought these tires for my ford focus ztw not too long, and i would not recommend these tires, no traction at all when there is an inch of snow on the road, my wife almost had an accident thanks to these tires on the first snow of the season, when i bought them i thought they were good Firestone tires but we find out the hard way how these tires perform on snowy days. Next time i will spend a little more for the safety of my family.
November 23, 2014
Given 34% while driving a Ford Fiesta XR4 (ST) (205/40 R17 W) on mostly town for 10,000 spirited miles
These were on the car when I bought it. When I first drove the car, I though my wheel bearings needed replacing, but it was just the tyre noise. Dry grip is OK, you can push them. Tyre wall isn't the best, you get controllable squirming. They perform OK under heavy braking. Wet grip is OK for what your paying, but you can easily lose control if pushing it. Tyre wear is below average.

Conclusion: You get decent dry grip for the price you pay, but everything else about the tyre is rubbish. Not recommended.
October 29, 2014
Jaguar S type 3.0 (225/45 R17) on mostly motorways for 100,000 average miles
So unbelievably noisy I am going to replace them even with 6mm remaining. AVOID!
October 5, 2014
Given 47% while driving a BMW 318 (235/40 R18) on a combination of roads for 15,000 average miles
When I bought a new wheel and tyre package for my car, the guy asked me if I was concerned about road noise through the tyre. Having never experienced a noisy tyre before, I didn't think it would be a concern, so went the cheap Primewell. What a big mistake. Driving with these tyres, to quote another unimpressed person, sounds like driving a UFO. I am now COMPLETELY aware of what a noisy tyre is, hence why I found this site, to find a cheap, quiet tyre. Thank you guys for this site and for all the input which is going to help me make my choice for a replacement for these rubbish tyres.
October 4, 2014
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