2025 BYD Seal U 1.5 Boost

Price: £22,795. Fair price: £841 (3%) under the AskCar estimate of £23,636, our expected asking price for this car from its model, age, mileage and specification, drawing on 914 priced BYD Seal U adverts on AskCar as of 12 November 2026.

AskCar lists 933 used BYD Seal U from 163 UK dealerships, as of 12 November 2026.

Overview

  • Make: BYD
  • Model: Seal U
  • Trim: Boost
  • Version: 1.5 18.3kWh Boost CVT FWD Euro 6 (s/s) 5dr (214 bhp)
  • Year: 2025
  • Mileage: 9,626 miles
  • Fuel: Plug-in hybrid (petrol)
  • Body: SUV, 5 doors, 5 seats
  • Engine: 1.5 litres, 214 bhp
  • Gearbox: Automatic (CVT)
  • Drive: Front-wheel drive
  • Colour: Grey
  • CO2: 20 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2025 BYD Seal U Boost is advertised with 9,626 miles on the clock. The dealer is asking £22,795, which is £841 below the AskCar estimate of £23,636. To work out the AskCar estimate, we analyse UK dealer adverts for 914 BYD Seal U cars across different ages and specifications. We have tracked this advert today. The seller is Startin BYD (Redditch), based in Redditch. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 12 November 2026.

How we estimate prices and check cars

Startin BYD (Redditch) is rated 4.7 out of 5 on Google.

Price

Fair price: £841 (3%) under the AskCar estimate of £23,636.

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

It draws on 914 priced BYD Seal U adverts across different ages and specifications, as of 12 November 2026.

A 2025 BYD Seal U with the 1.5 plug-in hybrid engine is typically advertised at £24,600: the median of the 522 for sale on AskCar, as of 12 November 2026.

Time on sale

AskCar first saw this 2025 BYD Seal U advertised today. About half of 2025 BYD Seal U cars are gone from sale within a month of being advertised: 660 of the 1,239 first advertised between 12 July 2026 and 9 October 2026.

Price history

AskCar first saw this advert on 12 November 2026 at £22,795. Its asking price has not changed.

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 1,300 miles higher than the median mileage of a 2025 BYD Seal U on AskCar.

Similar cars

108 other 2025 BYD Seal U Boost 1.5 plug-in hybrid automatic SUVs are for sale at UK dealers, from £21,995 to £33,995, as of 12 November 2026.

The 3 closest to this car in mileage:

  • 2025 BYD Seal U Boost, 1.5 plug-in hybrid SUV, blue. Mileage: 9,607 miles. Price: £22,440, £355 less than this car. Dealer: Evans Halshaw BYD Rotherham in Rotherham. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-8fe5dd9a036b
  • 2025 BYD Seal U Boost, 1.5 plug-in hybrid SUV, white. Mileage: 9,673 miles. Price: £23,399, £604 more than this car. Dealer: cinch in Ashford. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-46407b6d8b2c
  • 2025 BYD Seal U Boost, 1.5 plug-in hybrid SUV, grey. Mileage: 9,710 miles. Price: £23,200, £405 more than this car. Dealer: Marshall BYD Maidstone in Maidstone. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-761a4def8371
  • The nearest: 2025 BYD Seal U Boost, 1.5 plug-in hybrid SUV, grey, under a mile from this car. Mileage: 8,694 miles. Price: £23,995, £1,200 more than this car. Dealer: Startin BYD (Redditch) in Redditch. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-00969c47cfcc

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

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Photos

13 photos of this car are on its AskCar page.

As of 12 November 2026, AskCar lists 596,362 cars and vans from 12,840 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.