2026 BYD Seal U 1.5 Boost
Price: £24,895. Fair price: £604 (2%) under the AskCar estimate of £25,499, our expected asking price for this car from its model, age, mileage and specification, drawing on 914 priced BYD Seal U adverts on AskCar as of 12 November 2026.
AskCar lists 933 used BYD Seal U from 163 UK dealerships, as of 12 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: 4,844 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
This 2026 BYD Seal U Boost has covered 4,844 miles. Priced at £24,895, it is advertised £604 below the AskCar estimate of £25,499. The AskCar estimate uses 914 UK dealer adverts for the BYD Seal U, with adjustments for age, mileage, trim, engine and other specifications. This car was first seen in our listings data today. The seller is WJ King Peugeot Dartford, based in Dartford. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 12 November 2026.
WJ King Peugeot Dartford is rated 4.3 out of 5 on Google.
Price
Fair price: £604 (2%) under the AskCar estimate of £25,499.
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 914 priced BYD Seal U adverts across different ages and specifications, as of 12 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 400 for sale on AskCar, as of 12 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: 178 of the 341 first advertised between 13 July 2026 and 9 October 2026.
Price history
AskCar first saw this advert on 12 November 2026 at £24,895. Its asking price has not changed.
Mileage and MOT
MOT: first test not yet due.
Advertised mileage is about 1,000 miles higher than the median mileage of a 2026 BYD Seal U on AskCar.
Similar cars
275 other 2026 BYD Seal U Boost 1.5 plug-in hybrid automatic SUVs are for sale at UK dealers, from £22,599 to £35,595, as of 12 November 2026.
The 3 closest to this car in mileage:
- 2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, grey. Mileage: 4,824 miles. Price: £25,998, £1,103 more than this car. Dealer: Arnold Clark Mercedes-Benz Of Perth in Perth. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-a7171d3a7235
- 2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, blue. Mileage: 4,886 miles. Price: £26,498, £1,603 more than this car. Dealer: D. M. Keith in Doncaster. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-e9cd7a0d56a3
- 2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, grey. Mileage: 4,900 miles. Price: £24,425, £470 less than this car. Dealer: Pentagon BYD Nottingham in Nottingham. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-4dcca1ad0c6f
- The nearest: 2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, white, 10 miles from this car. Mileage: 11,705 miles. Price: £23,495, £1,400 less than this car. Dealer: Glyn Hopkin BYD Romford in Romford. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-8377ae3243da
Browse all BYD Seal U cars for sale · 2026 BYD Seal U price guide
More like this
As of 12 November 2026, AskCar lists 596,362 cars and vans from 12,840 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.