2025 BYD Seal U

1.5 18.3kWh Boost CVT FWD Euro 6 (s/s) 5dr (214 bhp)

£23,699

Fair price: within 8% of the typical £24,834 for this model, age and mileage, drawing on 907 adverts of this make and model.

Overview

Make: BYD
Model: Seal U
Trim: BOOST
Version: 1.5 18.3kWh Boost CVT FWD Euro 6 (s/s) 5dr (214 bhp)
Mileage: 6,327 miles
Year: 2025
Fuel type: Petrol Plug-in Hybrid
Body type: SUV
Engine: 1.5 L
Gearbox: Automatic
Power: 214 bhp
Seats: 5
CO2: 20 g/km
Colour: White
Doors: 5
Driven wheels: Front Wheel Drive
Gearbox version: CVT
Engine badge: Boost
Hybrid type: Plug-in hybrid
Emissions standard: Euro 6

About this car

This 2025 BYD Seal U Boost has covered 6,327 miles. Its asking price of £23,699 is £1,135 below our estimate of £24,834. The estimate uses 907 UK dealer adverts for the BYD Seal U, with adjustments for age, mileage, trim, engine and other specifications. Since we first spotted the advert 8 days ago, the asking price has dropped by £100. It is for sale at Halliwell Jones North Wales BYD in Llandudno Junction.

Stock data from 20 October 2026.

How we estimate prices and check cars

Price history

First seen on 13 October 2026, 8 days ago. Advert duration calculated on 21 October 2026. Net asking-price reduction: £100 from the first recorded £23,799. 1 price reduction recorded, the latest observed on 20 October 2026.

Recorded asking prices
Date observed	Asking price
13 October 2026	£23,799
20 October 2026	£23,699

Price and mileage comparison

Estimated market asking price: £24,834. The asking price is £1,135 below this estimate.

The estimate uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It estimates an advertised price, not a confirmed sale price.

The pricing calculation includes 907 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 1,700 miles lower than typical for a 2025 BYD Seal U.

MOT

MOT no details held by dvla.

96 other cars with the same year, trim, gearbox and fuel are for sale from £14,999 to £34,295.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£14,999	11,775 miles
£22,299	16,850 miles
£22,495	11,487 miles
£22,499	10,078 miles
£22,499	8,655 miles

These cars have covered 5–16,850 miles, compared with 6,327 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. Our estimate adjusts for these differences using the wider market data.

Browse all BYD Seal U cars for sale · 2025 BYD Seal U price guide

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Dealer

Halliwell Jones North Wales BYD, Llandudno Junction. Across the dealer network: 13 branches, 679 cars for sale.

Dealer postcode: LL31 9PL.

Dealer opening hours

Monday: 08:30-18:30
Tuesday: 08:30-18:30
Wednesday: 08:30-18:30
Thursday: 08:30-18:30
Friday: 08:30-18:30
Saturday: 09:00-17:00
Sunday: Closed