2025 BYD Seal U 1.5 Boost

Price: £22,779. Fair price: £850 (3%) under the AskCar estimate of £23,629, our expected asking price for this car from its model, age, mileage and specification, drawing on 859 priced BYD Seal U adverts on AskCar as of 5 November 2026.

AskCar lists 882 used BYD Seal U from 161 UK dealerships, as of 5 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: 9,882 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 has covered 9,882 miles. Priced at £22,779, it is advertised £850 below the AskCar estimate of £23,629. The AskCar estimate uses UK dealer asking prices, including 859 BYD Seal U adverts, and accounts for the car’s age, mileage and specification. We have tracked this advert for 1 day. It is advertised by D. M. Keith in Leeds. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £850 (3%) under the AskCar estimate of £23,629.

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 859 priced BYD Seal U adverts across different ages and specifications, as of 5 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 495 for sale on AskCar, as of 5 November 2026.

Time on sale

AskCar first saw this 2025 BYD Seal U advertised 1 day ago. About half of 2025 BYD Seal U cars are gone from sale within a month of being advertised: 611 of the 1,181 first advertised between 8 July 2026 and 2 October 2026.

Price history

AskCar first saw this advert on 4 November 2026 at £22,779. Its asking price has not changed.

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 1,800 miles higher than the median mileage of a 2025 BYD Seal U on AskCar.

Similar cars

102 other 2025 BYD Seal U Boost 1.5 plug-in hybrid automatic SUVs are for sale at UK dealers, from £22,440 to £33,995, as of 5 November 2026.

The 3 closest to this car in mileage:

  • 2025 BYD Seal U Boost, 1.5 plug-in hybrid SUV, blue. Mileage: 9,934 miles. Price: £23,399, £620 more than this car. Dealer: Halliwell Jones North Wales BYD in Conwy. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-aa03e6a09987
  • 2025 BYD Seal U Boost, 1.5 plug-in hybrid SUV, blue. Mileage: 9,962 miles. Price: £23,499, £720 more than this car. Dealer: Halliwell Jones North Wales BYD in Conwy. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-dd02ac1ff5cf
  • 2025 BYD Seal U Boost, 1.5 plug-in hybrid SUV, white. Mileage: 9,673 miles. Price: £23,399, £620 more than this car. Dealer: cinch in Ashford. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-46407b6d8b2c

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

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Photos

39 photos of this car are on its AskCar page.

As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.