2025 BYD Seal U 1.5 Boost
Price: £23,100. Fair price: £241 (1%) under the AskCar estimate of £23,341, our expected asking price for this car from its model, age, mileage and specification, drawing on 814 priced BYD Seal U adverts on AskCar as of 9 November 2026.
AskCar lists 835 used BYD Seal U from 156 UK dealerships, as of 9 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: 11,291 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
At 11,291 miles, this 2025 BYD Seal U Boost has covered about 3,000 more miles than other 2025 BYD Seal U cars. The AskCar estimate for this car is £23,341. It is priced at £23,100, which is £241 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 814 BYD Seal U cars across different ages and specifications. This car was first seen in our listings data 11 days ago. It is for sale at Marshall BYD St Neots in St. Neots. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 9 November 2026.
Price
Fair price: £241 (1%) under the AskCar estimate of £23,341.
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 814 priced BYD Seal U adverts across different ages and specifications, as of 9 November 2026.
A 2025 BYD Seal U with the 1.5 plug-in hybrid engine is typically advertised at £24,500: the median of the 464 for sale on AskCar, as of 9 November 2026.
Time on sale
This 2025 BYD Seal U has been on sale for at least 11 days.
Price history
AskCar first saw this advert on 29 October 2026 at £23,100. Its asking price has not changed.
Mileage and MOT
MOT: first test not yet due.
Advertised mileage is about 3,000 miles higher than the median mileage of a 2025 BYD Seal U on AskCar.
Similar cars
96 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 9 November 2026.
The 3 closest to this car in mileage:
- 2025 BYD Seal U Boost, 1.5 plug-in hybrid SUV, grey. Mileage: 11,275 miles. Price: £22,511, £589 less than this car. Dealer: D. M. Keith in Leeds. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-57b9ad0e2f16
- 2025 BYD Seal U Boost, 1.5 plug-in hybrid SUV, grey. Mileage: 11,384 miles. Price: £23,199, £99 more than this car. Dealer: cinch in Northampton. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-b5a572feac4a
- 2025 BYD Seal U Boost, 1.5 plug-in hybrid SUV, grey. Mileage: 11,083 miles. Price: £23,073, the same price as this car. Dealer: D. M. Keith in Leeds. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-49ea02695cd5
- The nearest: 2025 BYD Seal U Boost, 1.5 plug-in hybrid SUV, grey, under a mile from this car. Mileage: 6,384 miles. Price: £23,799, £699 more than this car. Dealer: cinch in St Neots. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-2181e374e819
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 St Neots
Photos
40 photos of this car are on its AskCar page.
As of 9 November 2026, AskCar lists 584,619 cars and vans from 12,676 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.