Factory tyre sizes
BYD Sealion 7 tyre sizes and what a set of four costs
The BYD Sealion 7 Sealion 7 (2025 on) came from the factory on 235/50 R19, 245/45 R20 tyres; across the wheel options listed, wheels range from 19in to 20in. A fitted set of four costs about £651–£717 with mid-range tyres and £779–£990 with premium tyres (73 Auto estimate from UK retailer prices observed on 23 September 2026, 2 factory fitments).
Data to 2026-09-23 · Page updated 2026-09-28 · Publisher: 73 Auto
- Factory fitments
- 2
- 1 generation group, MEDIUM confidence
- Cheapest set of four
- £651
- mid-range tyres, fitted (73 Auto estimate)
- Dearest set of four
- £990
- premium tyres, fitted (73 Auto estimate)
BYD Sealion 7 Sealion 7 (2025 on) tyre sizes
| Wheels / trims | Front | Rear | Mid-range set | Premium set |
|---|---|---|---|---|
| 19in · electric | 235/50 R19 103V XL | Same as front | £651 | £779 |
| 20in · electric | 245/45 R20 103V XL | Same as front | £717 | £990 |
How wheel size changes the cost of BYD Sealion 7 tyres
The cheapest BYD Sealion 7 fitment to re-tyre is 235/50 R19 103V XL (Sealion 7) at about £651 for a mid-range fitted set; the dearest is 245/45 R20 103V XL (Sealion 7) at about £717 — 1.1 times as much.
That is 1 inch of rim, about £65 more per set for each extra inch.
Choosing premium over mid-range brands moves the most expensive set from £717 to £990.
How often you pay depends on wear as well as price: car tyre cost explains how 73 Auto turns these prices into a yearly figure for a specific car.
Prices for BYD Sealion 7 tyre sizes
- 235/50 R19 tyres · 175 offers
Other BYD models
- BYD Atto 3 tyre sizes · mid-range set from £582
- BYD Dolphin tyre sizes · mid-range set from £440
- BYD Seal tyre sizes · mid-range set from £697
- BYD Seal U tyre sizes · mid-range set from £646
Where the sizes come from
- 73 Auto editorial compilation of published OE fitments (manufacturer brochures, placards and tyre-maker OE catalogues) — 73 Auto (medium confidence)
Limitations
Factory sizes are from 73 Auto's fitment reference; rows from the editorial compilation are medium confidence and not individually verified against a manufacturer document. A car may have been fitted with other wheels since new: check the size on the tyre itself.
Prices observed on public UK retailer listings (Camskill and Tyreleader) on 23 September 2026, aggregated by 73 Auto. Set-of-four prices are 73 Auto estimates for the exact tyre specification, not quotes; retail prices change often.
Check a specific BYD Sealion 7: tyres, MOT and running costs
Enter a BYD Sealion 7 registration to see which tyres that car is likely to have, what replacing them costs at your mileage, and its MOT history. Your first check is free and shows the vehicle summary and its headline ownership cost. The category-by-category breakdown is part of a paid check.
UK number plate or 17-character VIN
Where these figures come from
- Tyre prices observed on public UK retailer listings (Camskill, Tyreleader) on 2026-09-23, aggregated by 73 Auto — Camskill, Tyreleader (observed); 73 Auto (aggregation). Published retail prices, reused only as aggregates (medians, quartiles, counts); retailers' terms and robots rules reviewed 2026-09-23.
- 73 Auto factory tyre fitment reference (fitment source registry cited per row) — 73 Auto, from manufacturer documents and tyre-maker OE catalogues. 73 Auto editorial data.
- Fitting, balancing, valve and disposal charges by rim band — GRIP500 published fitting price schedule; 73 Auto allowance. Published price schedule, cited.
Figures labelled as 73 Auto estimates are our own analysis of these sources, set out in the methodology and data sources. To report a factual error, see corrections.