325/30 R21 - Best winter tyres 2025 - market overview, tests, reviews
Table of contents:
Best winter tyres in tests (2025)
Tests from 2024
Tests from 2023
The UltraGrip Performance 3 is one of the best tyres we have seen in the tests and on top of that it's top discipline is snow performance while maintaining great properties on wet, which makes it a great candidate for snowy climates.
Cars with 325/30 R21 tyres
325/30 R21 tyre test Personalize
Best tyres in your size
Dry
1.
GoodYear UltraGrip Performance 3
81%
Wet
1.
GoodYear UltraGrip Performance 3
81%
Snow
1.
GoodYear UltraGrip Performance 3
72%
Comfort
1.
Goodyear UltraGrip Performance 3
76%
Economy
1.
GoodYear UltraGrip Performance 3
69%
This is a preview of our comprehensive tyre test. The full test includes:
Detailed property breakdowns
Interactive sorting and filtering
Side-by-side comparisons
Did you know ...?
325/30 R21 doesn't belong to the most popular dimensions for winter tyres - there are 3 tyre models available, which can be compared to 155/60 R15, 325/25 R20, 170/60 R17. Let's break down the sizing - 30 is height of the tyre, which is calculated as 30% of the tyre width (325mm), which means the sidewall height has 97.5 mm. The wheel diameter is R21, which means it fits to a 21 inch/533.4mm diameter wheel. The total circumference of the tyre is 2288.34 mm, which is very similar to 315/35 R20(2288.65 mm), 245/45 R20(2288.65 mm), 275/40 R20(2287.08 mm), 215/75 R16(2289.91 mm), 245/50 R19(2285.82 mm), 245/40 R21(2291.48 mm), 225/60 R18(2284.57 mm). There are multiple speed indexes available for winter tyres in 325/30 R21: V(240km/h). The same goes for weight indexes: 108.
Runflat
There are 1 runflat variants available.
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