2025 BYD Seal U 1.5 Boost

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: 7,010 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 7,010 miles. Priced at £24,490, it is advertised £148 above the AskCar estimate of £24,342. The AskCar estimate draws on 859 BYD Seal U adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 22 days ago. Its asking price has since fallen by £500. The seller is Lloyd Select Blackpool, based in Blackpool. 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: £148 (under 1%) over the AskCar estimate of £24,342.

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 22 days.

Price history

AskCar first saw this advert on 14 October 2026 at £24,990. Its asking price is now £24,490, £500 less. The latest price cut was seen on 24 October 2026.

Price changes recorded:

• 14 October 2026: £24,990
• 24 October 2026: £24,490

Mileage and MOT

Advertised mileage is about 1,100 miles lower 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, white. Mileage: 7,094 miles. Price: £23,999, £491 less than this car. Dealer: Hartwell Hereford in Hereford. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-99733593798e
• 2025 BYD Seal U Boost, 1.5 plug-in hybrid SUV, black. Mileage: 6,916 miles. Price: £23,600, £890 less than this car. Dealer: Vospers OMODA & Jaecoo Exeter in Exeter. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-eae15e4c2857
• 2025 BYD Seal U Boost, 1.5 plug-in hybrid SUV, grey. Mileage: 6,830 miles. Price: £24,122, £368 less than this car. Dealer: D M Keith Byd Keighley in Keighley. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-7786a7a7c0c8

• The nearest: 2025 BYD Seal U Boost, 1.5 plug-in hybrid SUV, blue, 44 miles from this car. Mileage: 10,579 miles. Price: £23,532, £958 less than this car. Dealer: D M Keith Byd Keighley in Keighley. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-9d0dc3c97b1d