2025 BYD Seal U 1.5 Boost
Price: £22,895. Fair price: £940 (3%) under the AskCar estimate of £23,835, our expected asking price for this car from its model, age, mileage and specification, drawing on 854 priced BYD Seal U adverts on AskCar as of 6 November 2026.
AskCar lists 878 used BYD Seal U from 159 UK dealerships, as of 6 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: 8,694 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 8,694 miles. The AskCar estimate for this car is £23,835. It is priced at £22,895, which is £940 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 854 BYD Seal U cars across different ages and specifications. We have tracked this advert today. The seller is Startin BYD (Redditch), based in Redditch. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 6 November 2026.
Price
Fair price: £940 (3%) under the AskCar estimate of £23,835.
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
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: 612 of the 1,183 first advertised between 8 July 2026 and 3 October 2026.
Price history
AskCar first saw this advert on 6 November 2026 at £22,895. Its asking price has not changed.
Mileage and MOT
MOT: first test not yet due.
Advertised mileage is about 600 miles higher 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, white. Mileage: 8,595 miles. Price: £23,500, £605 more than this car. Dealer: Marshall BYD Ashford in Ashford. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-70b722dab622
- 2025 BYD Seal U Boost, 1.5 plug-in hybrid SUV, black. Mileage: 8,807 miles. Price: £23,995, £1,100 more than this car. Dealer: Pentagon BYD Burton in Burton upon Trent. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-9f862c9f553a
- 2025 BYD Seal U Boost, 1.5 plug-in hybrid SUV, grey. Mileage: 8,945 miles. Price: £23,500, £605 more than this car. Dealer: Marshall BYD Northampton in Northampton. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-7dfc3f162598
- The nearest: 2025 BYD Seal U Boost, 1.5 plug-in hybrid SUV, white, under a mile from this car. Mileage: 11,772 miles. Price: £22,795, £100 less than this car. Dealer: Startin BYD (Redditch) in Redditch. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-6b5fb4ce08a5
Browse all BYD Seal U cars for sale · 2025 BYD Seal U price guide
More like this
- Used BYD Seal U Boost prices
- Used BYD Seal U for sale under £30,000
- Used BYD Seal U for sale near Redditch
Photos
13 photos of this car are on its AskCar page.
As of 6 November 2026, AskCar lists 598,752 cars and vans from 12,905 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.