2025 BYD Seal U 1.5 Boost

Price: £22,880. Fair price: £288 (1%) under the AskCar estimate of £23,168, 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: 13,156 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: Black
  • CO2: 20 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2025 BYD Seal U Boost has covered 13,156 miles, around 5,100 more miles than is typical for its age. Priced at £22,880, it is advertised £288 below the AskCar estimate of £23,168. 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 first recorded this advert 9 days ago, and its asking price has since fallen by £115. The seller is EMG Motor Group Spalding BYD, based in Spalding. 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: £288 (1%) under the AskCar estimate of £23,168.

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

This 2025 BYD Seal U has been on sale for at least 9 days.

Price history

AskCar first saw this advert on 27 October 2026 at £22,995. Its asking price is now £22,880, £115 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

  • 27 October 2026: £22,995
  • 4 November 2026: £22,880

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 5,100 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: 13,427 miles. Price: £23,498, £618 more than this car. Dealer: Arnold Clark Aberdeen Mazda Chery Jeep Alfa Romeo Leapmotor Lepas in Aberdeen. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-e942847f23b7
  • 2025 BYD Seal U Boost, 1.5 plug-in hybrid SUV, blue. Mileage: 12,719 miles. Price: £24,095, £1,215 more than this car. Dealer: Busseys BYD Norwich in Norwich. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-6ce458b4764b
  • 2025 BYD Seal U Boost, 1.5 plug-in hybrid SUV, white. Mileage: 12,046 miles. Price: £23,371, £491 more than this car. Dealer: Lookers BYD Middlesbrough in Middlesbrough. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-e9e61a416116
  • The nearest: 2025 BYD Seal U Boost, 1.5 plug-in hybrid SUV, white, 17 miles from this car. Mileage: 9,300 miles. Price: £23,399, £519 more than this car. Dealer: cinch in Peterborough. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-20e21a43268a

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

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Photos

30 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.