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: 1,806 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

With 1,806 miles on the clock, this 2025 BYD Seal U Boost has done roughly 6,300 fewer miles than a typical 2025 BYD Seal U. Priced at £24,341, it is advertised £1,302 below the AskCar estimate of £25,643. To work out the AskCar estimate, we analyse UK dealer adverts for 854 BYD Seal U cars across different ages and specifications. We first recorded this advert 23 days ago, and its asking price has since fallen by £604. The seller is Vertu BYD Worcester, based in Worcester. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,302 (5%) under the AskCar estimate of £25,643.

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 854 priced BYD Seal U adverts across different ages and specifications, as of 6 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 492 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2025 BYD Seal U has been on sale for at least 23 days.

Price history

AskCar first saw this advert on 14 October 2026 at £24,945. Its asking price is now £24,341, £604 less. The latest price cut was seen on 3 November 2026.

Price changes recorded:

• 14 October 2026: £24,945
• 16 October 2026: £24,930
• 17 October 2026: £24,864
• 20 October 2026: £24,831
• 22 October 2026: £24,782
• 23 October 2026: £24,745
• 29 October 2026: £24,503
• 31 October 2026: £24,435
• 3 November 2026: £24,341

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 6,300 miles lower than the median mileage of a 2025 BYD Seal U on AskCar.

Similar cars

105 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 6 November 2026.

The 3 closest to this car in mileage:

• 2025 BYD Seal U Boost, 1.5 plug-in hybrid SUV, blue. Mileage: 1,893 miles. Price: £25,499, £1,158 more than this car. Dealer: Hartwell Dunstable in Dunstable. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-bc36c170f728
• 2025 BYD Seal U Boost, 1.5 plug-in hybrid SUV, white. Mileage: 1,645 miles. Price: £24,490, £149 more than this car. Dealer: Swansway Garages BYD Crewe in Crewe. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-cb348b13919d
• 2025 BYD Seal U Boost, 1.5 plug-in hybrid SUV, blue. Mileage: 2,100 miles. Price: £23,450, £891 less than this car. Dealer: Lookers BYD Sheffield in Sheffield. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-73d59b5f98f7

• The nearest: 2025 BYD Seal U Boost, 1.5 plug-in hybrid SUV, blue, under a mile from this car. Mileage: 6,655 miles. Price: £23,519, £822 less than this car. Dealer: Vertu BYD Worcester in Worcester. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-02e462e5cce9