What size tyres does the BYD Seal U take?

It runs 235/50 R19. The exact fitment for your car is on On the driver's door jamb, on the B-pillar.

Can I fit a cheaper tyre to a BYD Seal U?

Only at 235/50 R19 99V or better. That is the figure to hold: a tyre below the load index, the speed rating or the construction class is not a cheaper one, it is the wrong one.

BYD Seal U tyres

The BYD Seal U runs one fitment, 235/50 R19 99V. A standard load 99 rating is modest for an electric car and says something about where this one's kerb weight sits. The BYD Sealion 7 takes the same size.

Every fitment

Generation	Trim	Wheel	Tyre size	Load index	Speed	Construction	Marking	Pressure
Current	19in wheels	19in	235/50 R19	99	V	SL	none	see plate

What you are looking for, drawn. The real one is on on the driver's door jamb, on the b-pillar, and its figures are the ones that count.

Your own placard is the authority. You will find it on the on the driver's door jamb, on the B-pillar. Where it disagrees with this page, it wins. Match or exceed the size, load index, speed rating and construction class it gives, and use its pressure figure rather than anything printed on the tyre.

What changes on this car

Every Seal U version Michelin lists, the 160 kW electric car and both DM-i plug-in hybrids, uses 235/50 R19 99V. That is a standard-load tyre, not XL, rated to 775 kg.

That leaves the Seal U on a lower load index than the smaller Atto 3, which needs an XL 101 on 18 inch wheels. The Seal U is the European name for the Song Plus, and its sidewall is about 117 mm deep.

No tyres listed against this fitment yet. Product specifications are published from each manufacturer's own data and that work is not finished for 235/50 R19. Match or exceed every figure in the table above and you cannot go far wrong.

Where these figures come from

Michelin UK vehicle fitment tool (2026 BYD Seal U, version 'ev-218-160-kw', 235/50 R19 99V): https://www.michelin.co.uk/auto/browse-tyres/by-vehicle/byd/seal-u/seal-u/2026/ev-218-160-kw/235---50-R-19-99V checked 5 October 2026
Michelin UK vehicle fitment tool (2025 BYD Seal U, version 'ev-218-160-kw', 235/50 R19 99V): https://www.michelin.co.uk/auto/browse-tyres/by-vehicle/byd/seal-u/seal-u/2025/ev-218-160-kw/235---50-R-19-99V checked 5 October 2026
Michelin UK vehicle fitment tool (2024 BYD Seal U, version 'ev-218-160-kw', 235/50 R19 99V): https://www.michelin.co.uk/auto/browse-tyres/by-vehicle/byd/seal-u/seal-u/2024/ev-218-160-kw/235---50-R-19-99V checked 5 October 2026

Every figure here comes from one tyre maker's own fitment data, checked across different years or trims. That is a second look rather than a second opinion, so check the label on your door jamb before you buy.

Spotted something wrong? A correction to a fitment is the most useful thing you can send us and it goes to the front of the queue. Tell us.

Fit tyres for a living? Trade accounts get volume pricing on every tyre we list. Open an account.

Other cars on the same size

Common questions

What size tyres does the BYD Seal U take?: It runs 235/50 R19. The exact fitment for your car is on On the driver's door jamb, on the B-pillar.
Can I fit a cheaper tyre to a BYD Seal U?: Only at 235/50 R19 99V or better. That is the figure to hold: a tyre below the load index, the speed rating or the construction class is not a cheaper one, it is the wrong one.