2026 BYD Seal U 1.5 Boost
Price: £25,899. Fair price: £1,267 (5%) over the AskCar estimate of £24,632, 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: 2026
- Mileage: 9,209 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: Black
- CO2: 20 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
With 9,209 miles on the clock, this 2026 BYD Seal U Boost has done roughly 6,800 more miles than a typical 2026 BYD Seal U. The dealer is asking £25,899, which is £1,267 above the AskCar estimate of £24,632. 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 27 days ago, and its asking price has since fallen by £81. The seller is Hendy Peugeot & Vauxhall Tonbridge, based in Tonbridge. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 6 November 2026.
Price
Fair price: £1,267 (5%) over the AskCar estimate of £24,632.
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 2026 BYD Seal U with the 1.5 plug-in hybrid engine is typically advertised at £27,000: the median of the 372 for sale on AskCar, as of 6 November 2026.
Time on sale
This 2026 BYD Seal U has been on sale for at least 27 days.
Price history
AskCar first saw this advert on 10 October 2026 at £25,980. Its asking price is now £25,899, £81 less. The latest price cut was seen on 12 October 2026.
Price changes recorded:
- 10 October 2026: £25,980
- 12 October 2026: £25,899
Mileage and MOT
MOT: first test not yet due.
Advertised mileage is about 6,800 miles higher than the median mileage of a 2026 BYD Seal U on AskCar.
Similar cars
255 other 2026 BYD Seal U Boost 1.5 plug-in hybrid automatic SUVs are for sale at UK dealers, from £22,582 to £35,595, as of 6 November 2026.
The 3 closest to this car in mileage:
- 2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, white. Mileage: 9,151 miles. Price: £23,799, £2,100 less than this car. Dealer: cinch in Peterborough. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-2b29ad67e171
- 2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, white. Mileage: 9,275 miles. Price: £23,799, £2,100 less than this car. Dealer: cinch in Peterborough. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-14c3bb3455ba
- 2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, black. Mileage: 9,052 miles. Price: £23,700, £2,199 less than this car. Dealer: Marshall BYD Canterbury in Canterbury. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-ee7575117fa9
- The nearest: 2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, blue, 12 miles from this car. Mileage: 2,510 miles. Price: £27,990, £2,091 more than this car. Dealer: Marshall BYD Maidstone in Maidstone. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-28c1c5405a76
Browse all BYD Seal U cars for sale · 2026 BYD Seal U price guide
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Photos
44 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.