2025 BYD Seal U 1.5 Boost
Price: £24,019. Fair price: £383 (1%) under the AskCar estimate of £24,402, our expected asking price for this car from its model, age, mileage and specification, drawing on 850 priced BYD Seal U adverts on AskCar as of 2 November 2026.
AskCar lists 866 used BYD Seal U from 159 UK dealerships, as of 2 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: 7,369 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 7,369 miles. The dealer is asking £24,019, which is £383 below the AskCar estimate of £24,402. To work out the AskCar estimate, we analyse UK dealer adverts for 850 BYD Seal U cars across different ages and specifications. We first recorded this car for sale 19 days ago. The seller is Vertu BYD Gloucester, based in Gloucester. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Fair price: £383 (1%) under the AskCar estimate of £24,402.
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
This 2025 BYD Seal U has been on sale for at least 19 days.
Price history
AskCar first saw this advert on 14 October 2026 at £24,019. Its asking price has not changed.
Mileage and MOT
MOT: first test not yet due.
Advertised mileage is about 900 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: 7,429 miles. Price: £23,600, £419 less than this car. Dealer: Marshall BYD Canterbury in Canterbury. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-d9f08de2e254
- 2025 BYD Seal U Boost, 1.5 plug-in hybrid SUV, grey. Mileage: 7,308 miles. Price: £23,600, £419 less than this car. Dealer: Marshall BYD Ashford in Ashford. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-a7f2cf0dfc29
- 2025 BYD Seal U Boost, 1.5 plug-in hybrid SUV, blue. Mileage: 7,297 miles. Price: £22,985, £1,034 less than this car. Dealer: Lookers BYD Sheffield in Sheffield. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-b13cced8134c
- The nearest: 2025 BYD Seal U Boost, 1.5 plug-in hybrid SUV, blue, under a mile from this car. Mileage: 5,045 miles. Price: £25,512, £1,493 more than this car. Dealer: Vertu BYD Gloucester in Gloucester. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-2c98bc0032a2
Browse all BYD Seal U cars for sale · 2025 BYD Seal U price guide
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Photos
42 photos of this car are on its AskCar page.
As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.