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Platin RP 420

High Performance Summer

The Platin RP 420 is a High Performance Summer tyre designed to be fitted to Passenger Cars.

The quick answer

Owners say 80% from 3 owner reviews Read the reviews
Tests say 39th average finish across 1 independent tests Latest: P39 of 50 · 2023 See every test

Built from every independent test result and vetted owner review we hold for this tyre - the evidence is all further down the page. Data updated June 2025.

  • 3owner reviews
  • 36,000miles driven
  • 1professional tests
  • 54sizes available
Platin RP 420 1 photos

Tyre Reviews Score

Platin RP 420

6.0/10

Better than 28% of summer tyres

  • Limited Confidence
  • 1 test
  • 3 owner reviews
Scores of the 406 summer tyres we have tested

How this score is built

Better than Weight
Independent tests1 test · 1 publication · 2023 28% 100%
Owner reviewsFewer than 5 reviews, so they do not count yet – 0%
Combined 28% 6.0

A fixed curve turns the combined figure into the 0 to 10 score, so roughly the top 10% of a group score 9 or more.

Category by category

How it compares with other summer tyres in each area, and how much each area counts. 50 is the middle of the group.

Category Better than Weight Tests
WetBraking, handling and aquaplaning in the wet 29% 53% 1
DryBraking and handling on dry roads 22% 47% 1

Faded bars rest on one or two tests.

By discipline

The same results grouped by what the tyre was doing. They are not counted a second time.

BrakingEvery braking test, on any surface 27% 1

Confidence

  1. Limited
  2. Medium
  3. High

Its own test results decide 74% of the test figure. The other 26% is the average for its group, and it shrinks as more tests arrive.

High needs at least 3 tests, with its own results deciding 90% or more. Medium needs 2 tests and 70%. Anything less is Limited: expect the number to move as tests arrive.

The tests behind it

  1. 2023 2023 Summer Tyre Market Overview Auto Bild · 225/45 R18 P39 / 50
All Tests
View Test Results
1 Tests
0 Test Wins
39th Average
39th Best
39th Worst
YearTestResultAward
20232023 Summer Tyre Market OverviewAuto Bild · 225/45 R18P39 / 50
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Dimensions & Label Scores
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Size Range53 sizes available

185-255Width35-65Profile15-19Rim82-109 H-YLoad/Speed Index2018First On Market

EU LabelAcross 53 sizes - the grade depends on the size you buy.

Noise

70-73dB

Popular sizes225/45 R17195/55 R16215/55 R17
Frequently Asked Questions
How good is the Platin RP 420 in the wet?
Across the 1 wet-braking test it has featured in, the Platin RP 420 stops 21.8% longer than premium rivals, 12.6% longer than mid-range rivals and 0.1% longer than budget rivals. It has a Tyre Reviews wet score of 29/100, and owners rate it 8.3/10 in the wet from 3 reviews.
How good is the Platin RP 420 in the dry?
Across the 1 dry-braking test it has featured in, the Platin RP 420 stops 11.1% longer than premium rivals, 5.9% longer than mid-range rivals and 2.4% longer than budget rivals. It has a Tyre Reviews dry score of 22/100, and owners rate it 9/10 in the dry from 3 reviews.
What is the Platin RP 420's EU tyre label rating?
Across its range, the Platin RP 420 most commonly carries EU label ratings of C for fuel efficiency, B for wet grip and 72 dB for noise.
What sizes does the Platin RP 420 come in?
The Platin RP 420 is available in 54 sizes, ranging from 185-255/35-65 R15-19.
Owner Questions
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Platin RP 420 Owner Reviews

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What owners say

Across 3 owner ratings the Platin RP 420 averages 80%. Owners rate Dry Grip highest at 9 out of 10 and Comfort lowest at 6.3. 2 of those reviews come from owners past 10,000 miles.

Owner ratings averaged from 3 ratings

  • Owner score 80%
  • Dry Grip 90%
  • Handling 87%
  • Wet Grip 83%
  • Road Feedback 83%
  • Wear 73%
  • Comfort 63%

All 3 Platin RP 420 reviews

Score spread across 3 written reviews
87%
Member
  • Nissan Juke
  • 215/55 R17
  • 18,000 miles
  • A Combination of Roads
  • Spirited
Tire is a great choice, top notch quality with a great price. Lasted for more than 18,000 miles with fast driving. Grips incredible, especially taking in consideration its price. Definitely recommend them and buying them again.
This owner's scores
  • Dry Grip 9
  • Wet Grip 8
  • Road Feedback 9
  • Handling 10
  • Wear 7
  • Comfort 8
  • Buy again 10
Helpful 865
87%
Member
Really good value for this price category. Good handling in wet and also in dry roads. Maybe a bit more noisy..
This owner's scores
  • Dry Grip 9
  • Wet Grip 9
  • Road Feedback 9
  • Handling 9
  • Wear 8
  • Comfort 8
  • Buy again 9
Helpful 921
67%
Member
  • BMW 520i
  • 225/45 R17
  • 3,000 miles
  • A Combination of Roads
  • Easy Going
Fitted on front axle only. My driving style is absolutely normal. On dry surface they are very good and quite good on wet as well, despite the tarmac of the roads where I live is not water draining at al. Handling and steering are not very precise because the shoulder of the tyre is not stiff enough, despite it's XL rated. Even if inflated at max load pressure and XL, the tyre feels the weight of the car. But the BIG downside is the noise. They are extremely noisy, even more than previous Riken that I replaced because old and noisy due to too hard and cracked compound. I would by these Platin only if much less noisy, because I like the grip they have on tarmac.
This owner's scores
  • Dry Grip 9
  • Wet Grip 8
  • Road Feedback 7
  • Handling 7
  • Wear 7
  • Comfort 3
  • Buy again 6
Helpful 956

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