2026 BYD Seal U 1.5 Boost
Price: £27,489. Above the going rate: £2,436 (9%) over the AskCar estimate of £25,053, 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: 2026
- Mileage: 7,828 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: White
- CO2: 20 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2026 BYD Seal U Boost has covered 7,828 miles, around 5,300 more miles than is typical for its age. Priced at £27,489, it is advertised £2,436 above the AskCar estimate of £25,053. The AskCar estimate uses 850 UK dealer adverts for the BYD Seal U, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this car for sale 38 days ago. The seller is Desmond Motors Londonderry, based in Londonderry. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Above the going rate: £2,436 (9%) over the AskCar estimate of £25,053.
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 2026 BYD Seal U with the 1.5 plug-in hybrid engine is typically advertised at £27,000: the median of the 362 for sale on AskCar, as of 2 November 2026.
Time on sale
This 2026 BYD Seal U has been on sale for at least 38 days.
Price history
AskCar first saw this advert on 25 September 2026 at £27,489. Its asking price has not changed.
Mileage and MOT
MOT: first test not yet due.
Advertised mileage is about 5,300 miles higher than the median mileage of a 2026 BYD Seal U on AskCar.
Similar cars
246 other 2026 BYD Seal U Boost 1.5 plug-in hybrid automatic SUVs are for sale at UK dealers, from £22,742 to £35,595, as of 2 November 2026.
The 3 closest to this car in mileage:
- 2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, black. Mileage: 7,865 miles. Price: £23,900, £3,589 less than this car. Dealer: Marshall BYD Canterbury in Canterbury. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-fcbae2e5d4a0
- 2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, black. Mileage: 7,755 miles. Price: £24,290, £3,199 less than this car. Dealer: Swansway Garages BYD Chester in Chester. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-e8ff97db9966
- 2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, grey. Mileage: 7,924 miles. Price: £23,490, £3,999 less than this car. Dealer: Greenhous Telford in Telford. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-7ce132c1a64d
- The nearest: 2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, grey, under a mile from this car. Mileage: 6,614 miles. Price: £27,489, the same price as this car. Dealer: Desmond Motors Londonderry in Derry. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-2d6d723ef136
Browse all BYD Seal U cars for sale · 2026 BYD Seal U price guide
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- Used BYD Seal U Boost prices
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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.