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: 7,780 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 7,780 miles. Its asking price of £24,698 is £402 above the AskCar estimate of £24,296. The AskCar estimate uses UK dealer asking prices, including 850 BYD Seal U adverts, and accounts for the car’s age, mileage and specification. We first recorded this car for sale 1 day ago. The seller is Arnold Clark Glasgow South Street Vauxhall Peugeot Citroen Ds Mazda Vanstorelepas, based in Glasgow. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £402 (1%) over the AskCar estimate of £24,296.

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 850 priced BYD Seal U adverts across different ages and specifications, as of 2 November 2026.

A 2025 BYD Seal U with the 1.5 plug-in hybrid engine is typically advertised at £24,700: the median of the 484 for sale on AskCar, as of 2 November 2026.

Time on sale

AskCar first saw this 2025 BYD Seal U advertised 1 day ago. About half of 2025 BYD Seal U cars are gone from sale within a month of being advertised: 588 of the 1,146 first advertised between 8 July 2026 and 29 September 2026.

Price history

AskCar first saw this advert on 1 November 2026 at £24,698. Its asking price has not changed.

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 500 miles lower than the median mileage of a 2025 BYD Seal U on AskCar.

Similar cars

97 other 2025 BYD Seal U Boost 1.5 plug-in hybrid automatic SUVs are for sale at UK dealers, from £14,999 to £33,995, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2025 BYD Seal U Boost, 1.5 plug-in hybrid SUV, grey. Mileage: 7,817 miles. Price: £23,600, £1,098 less than this car. Dealer: Marshall BYD Maidstone in Maidstone. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-c6bef291d7ef
• 2025 BYD Seal U Boost, 1.5 plug-in hybrid SUV, blue. Mileage: 7,829 miles. Price: £24,498, £200 less than this car. Dealer: Arnold Clark Stirling Volvo / GWM / BYD in Stirling. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-b92b577ea6fa
• 2025 BYD Seal U Boost, 1.5 plug-in hybrid SUV, blue. Mileage: 7,565 miles. Price: £22,995, £1,703 less than this car. Dealer: Pentagon Warrington in Warrington. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-ddc5d11d8968

• The nearest: 2025 BYD Seal U Boost, 1.5 plug-in hybrid SUV, grey, 6 miles from this car. Mileage: 4,836 miles. Price: £24,998, £300 more than this car. Dealer: Arnold Clark Linwood Motorstore / BYD in Linwood. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-73dc8f2e79e3