345/30 R20 - Best summer tyres 2025 - market overview, tests, reviews
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Best summer tyres in tests (2025)
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Pilot Sport 4S is the sportier version of the Pilot Sports and the most sporty one that still cares about the wet performance, which is it's strong suite. It's usually expensive, but also a guarantee of a great performance tyre.
345/30 R20 tyre test Personalize
Best tyres in your size
Dry
1.
Michelin Pilot Sport 4 S
91%
Wet
1.
Michelin Pilot Sport 4 S
77%
Comfort
1.
Michelin Pilot Sport 4 S
48%
Economy
1.
Michelin Pilot Sport 4 S
68%
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345/30 R20 doesn't belong to the most popular dimensions for summer tyres - there are 3 tyre models available, which can be compared to 155/60 R15, 170/60 R17, 160/60 R14. Let's break down the sizing - 30 is height of the tyre, which is calculated as 30% of the tyre width (345mm), which means the sidewall height has 103.5 mm. The wheel diameter is R20, which means it fits to a 20 inch/508mm diameter wheel. The total circumference of the tyre is 2246.24 mm, which is very similar to 295/35 R20(2244.67 mm), 235/55 R18(2248.44 mm), 205/75 R16(2242.78 mm), 235/60 R17(2242.47 mm), 235/50 R19(2254.41 mm), 265/30 R22(2255.04 mm), 255/45 R19(2237.13 mm). There are multiple speed indexes available for summer tyres in 345/30 R20: Y(300km/h). The same goes for weight indexes: 106.
