2025 BYD Seal U 1.5 Boost

Price: £23,995. Fair price: £311 (1%) under the AskCar estimate of £24,306, our expected asking price for this car from its model, age, mileage and specification, drawing on 865 priced BYD Seal U adverts on AskCar as of 10 November 2026.

AskCar lists 886 used BYD Seal U from 161 UK dealerships, as of 10 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: 6,835 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 6,835 miles. The dealer is asking £23,995, which is £311 below the AskCar estimate of £24,306. To work out the AskCar estimate, we analyse UK dealer adverts for 865 BYD Seal U cars across different ages and specifications. It first appeared in our advert records today. The seller is Glyn Hopkin BYD East London, based in Manor Park. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 10 November 2026.

How we estimate prices and check cars

Glyn Hopkin BYD East London is rated 4.3 out of 5 on Google.

Price

Fair price: £311 (1%) under the AskCar estimate of £24,306.

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 865 priced BYD Seal U adverts across different ages and specifications, as of 10 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 508 for sale on AskCar, as of 10 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: 646 of the 1,224 first advertised between 11 July 2026 and 7 October 2026.

Price history

AskCar first saw this advert on 10 November 2026 at £23,995. Its asking price has not changed.

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 1,400 miles lower than the median mileage of a 2025 BYD Seal U on AskCar.

Similar cars

106 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 10 November 2026.

The 3 closest to this car in mileage:

  • 2025 BYD Seal U Boost, 1.5 plug-in hybrid SUV, grey. Mileage: 6,830 miles. Price: £23,048, £947 less than this car. Dealer: D M Keith Byd Keighley in Keighley. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-7786a7a7c0c8
  • 2025 BYD Seal U Boost, 1.5 plug-in hybrid SUV, grey. Mileage: 6,768 miles. Price: £23,995, the same price as this car. Dealer: Glyn Hopkin BYD Colchester in Colchester. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-ee0149ee1247
  • 2025 BYD Seal U Boost, 1.5 plug-in hybrid SUV, black. Mileage: 6,916 miles. Price: £22,995, £1,000 less than this car. Dealer: Vospers OMODA & Jaecoo Exeter in Exeter. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-eae15e4c2857
  • The nearest: 2025 BYD Seal U Boost, 1.5 plug-in hybrid SUV, blue, 9 miles from this car. Mileage: 7,927 miles. Price: £23,995, the same price as this car. Dealer: Glyn Hopkin BYD Waltham Abbey in Waltham Abbey. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-f386b9e45e1a

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

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As of 10 November 2026, AskCar lists 591,054 cars and vans from 12,888 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.