2026 BYD Seal U 1.5 Boost
Price: £23,599. Fair price: £691 (2%) under the AskCar estimate of £24,290, our expected asking price for this car from its model, age, mileage and specification, drawing on 853 priced BYD Seal U adverts on AskCar as of 4 November 2026.
AskCar lists 877 used BYD Seal U from 161 UK dealerships, as of 4 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: 10,994 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
At 10,994 miles, this 2026 BYD Seal U Boost has covered about 9,000 more miles than other 2026 BYD Seal U cars. Priced at £23,599, it is advertised £691 below the AskCar estimate of £24,290. To work out the AskCar estimate, we analyse UK dealer adverts for 853 BYD Seal U cars across different ages and specifications. We first recorded this car for sale 6 days ago. You can find this car at cinch in Northampton. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 4 November 2026.
Price
Fair price: £691 (2%) under the AskCar estimate of £24,290.
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 853 priced BYD Seal U adverts across different ages and specifications, as of 4 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 366 for sale on AskCar, as of 4 November 2026.
Time on sale
AskCar first saw this 2026 BYD Seal U advertised 6 days ago. About half of 2026 BYD Seal U cars are gone from sale within a month of being advertised: 151 of the 300 first advertised between 10 July 2026 and 1 October 2026.
Price history
AskCar first saw this advert on 29 October 2026 at £23,599. Its asking price has not changed.
Mileage and MOT
MOT: first test not yet due.
Advertised mileage is about 9,000 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 £22,742 to £35,595, as of 4 November 2026.
The 3 closest to this car in mileage:
- 2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, white. Mileage: 11,103 miles. Price: £23,500, £99 less than this car. Dealer: Saxtons.co.uk in Chelmsford. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-a95cabb39e43
- 2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, black. Mileage: 10,851 miles. Price: £23,500, £99 less than this car. Dealer: Marshall BYD Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-58f6a7e71cb0
- 2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, grey. Mileage: 10,851 miles. Price: £23,981, £382 more than this car. Dealer: Glyn Hopkin BYD East London in London. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-ad8397fdecfe
- The nearest: 2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, black, under a mile from this car. Mileage: 8,314 miles. Price: £23,900, £301 more than this car. Dealer: Marshall BYD Northampton in Northampton. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-15ab27190f5f
Browse all BYD Seal U cars for sale · 2026 BYD Seal U price guide
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Photos
48 photos of this car are on its AskCar page.
As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.