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: 7,035 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: Blue
• CO2: 20 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2025 BYD Seal U Boost is advertised with 7,035 miles on the clock. Its asking price of £24,995 is £739 above the AskCar estimate of £24,256. The AskCar estimate uses 865 UK dealer adverts for the BYD Seal U, with adjustments for age, mileage, trim, engine and other specifications. We have tracked this advert today. The seller is Chariots Specialist Cars BYD Rugby, based in Rugby. 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

Price

Fair price: £739 (3%) over the AskCar estimate of £24,256.

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 £24,995. Its asking price has not changed.

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 1,200 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, black. Mileage: 7,010 miles. Price: £24,490, £505 less than this car. Dealer: Lloyd Select Blackpool in Blackpool. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-fbdadb6bd096
• 2025 BYD Seal U Boost, 1.5 plug-in hybrid SUV, white. Mileage: 7,094 miles. Price: £23,499, £1,496 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: £22,995, £2,000 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, under a mile from this car. Mileage: 5,503 miles. Price: £24,495, £500 less than this car. Dealer: Chariots Specialist Cars Wycliffe Peugeot in Rugby. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-6e9adf58f085