What does the chassis code P51 mean for tyre choice?

The P51 chassis code identifies this specific generation of the Peugeot 508. Tyre fitment guides and parts catalogues use the chassis code to match correct sizes, load indices and speed ratings — useful when ordering online.

Are OEM tyres still fitted to new Peugeot 508 cars?

New UK Peugeot 508 cars leave the factory with original-equipment (OEM) tyres specified by Peugeot. When replacing, you can stay on the same OEM brand or move to an alternative provided the size, load index and speed rating match.

What's different about the 2020-present 508 compared with other generations?

This is the 2020-present generation of the Peugeot 508. Earlier and later generations use different platforms, wheel sizes and tyre fitments, so always match your specific year to the correct generation page.

Is the Peugeot 508 still on sale in the UK?

As of the 2020-present window, the Peugeot 508 is currently on sale in the UK. Tyre fitments listed here reflect UK-market specifications.

What should Peugeot 508 drivers know about UK potholes?

UK road conditions are tough on tyres. Check sidewall bulges, cuts and tread depth regularly — especially on the inside edge, which often wears unevenly. A 20p coin gives a quick legal-tread check.

Peugeot 508

Find Tyres for 2020-present Peugeot 508 (P51)

UK-market tyre sizes for the 2020-present Peugeot 508, with chassis-code matching and trim notes.

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About this generation

The 2020-present Peugeot 508 occupies a specific slot in the Peugeot lineup, and tyre choice for this generation has to match the wheel and trim ordered from new. The figures on this page reflect UK-market original-equipment fitments.

The current-generation Peugeot 508 (2020-present) is sold in the UK with a small set of factory tyre sizes per trim. Replacement tyres should match the size, load index and speed rating of what came on your specific car.

Chassis code: P51. Use the chassis code to confirm you have the right generation when ordering tyres.

Common factory tyre sizes

UK-market factory fitments for the 2020-present Peugeot 508 typically include:

235/40 R20

Tyre fitment for any Peugeot 508 depends on the wheels and trim ordered from new. The most accurate way to confirm a replacement is to read the size from your existing tyre sidewall.

Original-equipment sizes shown here are typical UK fitments. Sport packs, optional alloy upgrades and dealer accessories can change the size — always confirm before fitting.

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Other Peugeot 508 generations

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Frequently asked questions

Quick answers about UK tyre fitment, MOT rules and seasonal options.

What does the chassis code P51 mean for tyre choice?
The P51 chassis code identifies this specific generation of the Peugeot 508. Tyre fitment guides and parts catalogues use the chassis code to match correct sizes, load indices and speed ratings — useful when ordering online.
Are OEM tyres still fitted to new Peugeot 508 cars?
New UK Peugeot 508 cars leave the factory with original-equipment (OEM) tyres specified by Peugeot. When replacing, you can stay on the same OEM brand or move to an alternative provided the size, load index and speed rating match.
What's different about the 2020-present 508 compared with other generations?
This is the 2020-present generation of the Peugeot 508. Earlier and later generations use different platforms, wheel sizes and tyre fitments, so always match your specific year to the correct generation page.
Is the Peugeot 508 still on sale in the UK?
As of the 2020-present window, the Peugeot 508 is currently on sale in the UK. Tyre fitments listed here reflect UK-market specifications.
What should Peugeot 508 drivers know about UK potholes?
UK road conditions are tough on tyres. Check sidewall bulges, cuts and tread depth regularly — especially on the inside edge, which often wears unevenly. A 20p coin gives a quick legal-tread check.

Tyre Finder UK provides general tyre guidance only. We do not guarantee tyre fitment, local stock, prices or fitting availability. Always confirm your tyre size, load rating, speed rating and vehicle requirements using your current tyre sidewall, vehicle handbook, manufacturer guidance or a qualified tyre fitter before fitting.