245/45 R21 - Best summer tyres 2026 - market overview, tests, reviews
Table of contents:
Best summer tyres in tests (2026)
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Tests from 2025
Tests from 2024
Tests from 2023
While the Michelin PS4 SUV was introduced back in 2019, it still offers a top-notch performance for the SUVs which is difficult for it's competitors to match.
| Shop | Product | Stock | Availability | Shipping | Price | Action |
|---|---|---|---|---|---|---|
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Michelin Pilot Sport 4 SUV ( 245/45 R21 104W XL with rim protection ridge (FSL) )
- In stock
£297
|
Michelin Pilot Sport 4 SUV ( 245/45 R21 104W XL with rim protection ridge (FSL) ) | In stock | Free shipping | £297 |
Buy
mytyres.co.uk
|
|
|
Pilot Sport 4 SUV XL
- In stock
£310
|
Pilot Sport 4 SUV XL | In stock | Free shipping | £310 |
Buy
tyres.pneus.online.uk
|
Tests from 2025
Tests from 2025
Tests from 2023
The P Zero range is with us for a long time, also being a favorite choice for car manufacturers as first equipment. It’s a good, well balanced and enjoyable tyre. It tends to get quite a few mid-life updates so make sure you get the latest one.
Tests from 2025
Tests from 2023
245/45 R21 tyre test Personalize
Best tyres in your size
Dry
1.
Pirelli P ZERO PZ4
73%
Wet
1.
Pirelli P ZERO PZ4
72%
Comfort
1.
Pirelli P ZERO PZ4
65%
Economy
1.
Hankook Ventus S1 evo3 SUV K127A
55%
2.
Michelin Pilot Sport 4 SUV
49%
This is a preview of our comprehensive tyre test. The full test includes:
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Did you know ...?
245/45 R21 doesn't belong to the most popular dimensions for summer tyres - there are 5 tyre models available, which can be compared to 155/60 R15, 170/60 R17, 160/60 R14. Let's break down the sizing - 45 is height of the tyre, which is calculated as 45% of the tyre width (245mm), which means the sidewall height has 110.25 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 2368.45 mm, which is very similar to 275/40 R21(2366.88 mm), 245/50 R20(2365.62 mm), 275/45 R20(2373.47 mm), 265/70 R15(2362.48 mm), 245/60 R18(2359.96 mm), 245/65 R17(2357.14 mm), 285/35 R22(2382.27 mm). There are multiple speed indexes available for summer tyres in 245/45 R21: V(240km/h), W(270km/h), Y(300km/h). The same goes for weight indexes: 104.
