2026 BYD Seal U 1.5 Boost
Price: £23,495. Fair price: £538 (2%) under the AskCar estimate of £24,033, our expected asking price for this car from its model, age, mileage and specification, drawing on 865 priced BYD Seal U adverts on AskCar as of 10 November 2026.
AskCar lists 886 used BYD Seal U from 161 UK dealerships, as of 10 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: 11,705 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
With 11,705 miles on the clock, this 2026 BYD Seal U Boost has done roughly 8,700 more miles than a typical 2026 BYD Seal U. Its asking price of £23,495 is £538 below the AskCar estimate of £24,033. The AskCar estimate draws on 865 BYD Seal U adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. It first appeared in our advert records today. The seller is Glyn Hopkin BYD Romford, based in Romford. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 10 November 2026.
Glyn Hopkin BYD Romford is rated 4.2 out of 5 on Google.
Price
Fair price: £538 (2%) under the AskCar estimate of £24,033.
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 865 priced BYD Seal U adverts across different ages and specifications, as of 10 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 367 for sale on AskCar, as of 10 November 2026.
Time on sale
AskCar first saw this 2026 BYD Seal U advertised today. About half of 2026 BYD Seal U cars are gone from sale within a month of being advertised: 171 of the 332 first advertised between 10 July 2026 and 7 October 2026.
Price history
AskCar first saw this advert on 10 November 2026 at £23,495. Its asking price has not changed.
Mileage and MOT
MOT: first test not yet due.
Advertised mileage is about 8,700 miles higher than the median mileage of a 2026 BYD Seal U on AskCar.
Similar cars
254 other 2026 BYD Seal U Boost 1.5 plug-in hybrid automatic SUVs are for sale at UK dealers, from £22,462 to £35,595, as of 10 November 2026.
The 3 closest to this car in mileage:
- 2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, grey. Mileage: 11,688 miles. Price: £23,700, £205 more than this car. Dealer: Marshall BYD Ashford in Ashford. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-a217e65bb85b
- 2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, white. Mileage: 11,682 miles. Price: £23,400, £95 less than this car. Dealer: Marshall BYD St Neots in St Neots. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-c6016f8984db
- 2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, grey. Mileage: 11,681 miles. Price: £22,911, £584 less than this car. Dealer: D. M. Keith in Leeds. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-5639a71632c3
- The nearest: 2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, grey, 4 miles from this car. Mileage: 10,851 miles. Price: £24,083, £588 more than this car. Dealer: Glyn Hopkin BYD East London in London. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-ad8397fdecfe
Browse all BYD Seal U cars for sale · 2026 BYD Seal U price guide
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As of 10 November 2026, AskCar lists 591,054 cars and vans from 12,888 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.