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325/30 R21 - Best allround tyres 2026 - market overview, tests, reviews

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Best tyres in tests (2026)

Default order: highest overall test rating first. Ratings combine tests in different tyre sizes.

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1
Goodyear Vector All Season 4
GoodyearUpper-middle
Vector All Season 4
AUTOBILD'26#1TYREREVIEWS'26#1AUTOBILD'26#1
9.7
Price from£310
Expert summary
The Goodyear Vector All Season 4 is an all-season tyre from the American premium manufacturer Goodyear. This model is engineered for year-round use and is designed to deliver consistent performance without compromise.
Recommended
#3
2026
theTire Lab.comRecommended#3 Allround tires 2026
Performance
Wet handling
100%
Snow traction
95%
Dry handling
95%
+13
Exterior noise
48%
Mileage
46%
Aquaplaning - longitudal
44%
View full review
Price variants (1)
325/30 R21 108 Y
B C 75dB
£310
mytyres.co.uk
mytyres.co.uk
£310
In stock · Free shipping
Buy
2
Michelin CrossClimate 3 Sport
MichelinPremium
CrossClimate 3 Sport
TYREREVIEWS'26#1AUTOVIEW'26#1TYREREVIEWS'26#2
8.3
Price from£442
Expert summary
The Michelin CrossClimate 3 Sport is an all-season tyre designed to bridge sport and winter capabilities. Developed by the French manufacturer Michelin as the successor to the CrossClimate line, this tyre has received the French Ze Award for Technological Innovation. It is also utilized as original equipment on the Alpine A390.
Performance
Rolling resistance
100%
Dry handling
91%
Dry braking
88%
+16
Mileage
29%
Fuel efficiency
21%
Price/value
0%
View full review
Price variants (1)
325/30 R21 108 Y
A B 73dB
£442
mytyres.co.uk
mytyres.co.uk
£442
In stock · Free shipping
Buy
tyres-pneus-online.co.uk
tyres-pneus-online.co.uk
£444
In stock · Free shipping
Buy

325/30 R21 tyre test

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Best tyres in your size

Dry

1. Michelin CrossClimate 3 Sport
90%
2. Goodyear Vector All Season 4
88%

Wet

1. Goodyear Vector All Season 4
84%
2. Michelin CrossClimate 3 Sport
70%

Snow

1. Goodyear Vector All Season 4
87%
2. Michelin CrossClimate 3 Sport
78%

This is a preview of our comprehensive tyre test. The full test includes:

Detailed breakdowns
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View Full Test Results

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Best snow tyres
Best tyres for EVs
Best dry-handling tyres
Best rain tyres
Best handling tyres
Quietest tyres
Most economical tyres
Best anti-aquaplaning tyres

Other popular sizes

215/65 R16121 Tyres215/60 R17105 Tyres205/55 R1691 Tyres225/55 R1787 Tyres185/65 R1585 Tyres215/60 R1685 Tyres225/45 R1783 Tyres205/60 R1681 Tyres

325/30 R21 — Also available in

Summer(33)Winter(10)

Top brands in 325/30 R21

Goodyear(1)Michelin(1)

Did you know ...?

325/30 R21 doesn't belong to the most popular dimensions for allround tyres - there are 0 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 245/45 R20(2288.65 mm), 315/35 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 allround tyres in 325/30 R21: Y(300km/h). The same goes for weight indexes: 108.

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