2026 BYD Seal U 1.5 Boost
Price: £25,290. Fair price: £689 (2%) under the AskCar estimate of £25,979, our expected asking price for this car from its model, age, mileage and specification, drawing on 859 priced BYD Seal U adverts on AskCar as of 5 November 2026.
AskCar lists 882 used BYD Seal U from 161 UK dealerships, as of 5 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: 3,065 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 is advertised with 3,065 miles on the clock. Its asking price of £25,290 is £689 below the AskCar estimate of £25,979. To work out the AskCar estimate, we analyse UK dealer adverts for 859 BYD Seal U cars across different ages and specifications. We first saw this car advertised 28 days ago. Its asking price has since fallen by £200. The seller is Swansway Garages BYD Crewe, based in Crewe. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 5 November 2026.
Price
Fair price: £689 (2%) under the AskCar estimate of £25,979.
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 859 priced BYD Seal U adverts across different ages and specifications, as of 5 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 374 for sale on AskCar, as of 5 November 2026.
Time on sale
This 2026 BYD Seal U has been on sale for at least 28 days.
Price history
AskCar first saw this advert on 8 October 2026 at £25,490. Its asking price is now £25,290, £200 less. The latest price cut was seen on 24 October 2026.
Price changes recorded:
- 8 October 2026: £25,490
- 24 October 2026: £25,290
Mileage and MOT
MOT: first test not yet due.
Advertised mileage is about 1,100 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 £22,599 to £35,595, as of 5 November 2026.
The 3 closest to this car in mileage:
- 2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, grey. Mileage: 3,057 miles. Price: £25,299, the same price as this car. Dealer: cinch in Northampton. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-b8f03eefe2a0
- 2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, blue. Mileage: 3,000 miles. Price: £25,299, the same price as this car. Dealer: SG Petch Durham in Durham. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-e997532382f7
- 2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, blue. Mileage: 3,000 miles. Price: £28,000, £2,710 more than this car. Dealer: John Clark BYD Dundee in Dundee. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-626c11abdcca
- The nearest: 2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, grey, under a mile from this car. Mileage: 3,746 miles. Price: £23,990, £1,300 less than this car. Dealer: Swansway Garages BYD Crewe in Crewe. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-a5f5f778d099
Browse all BYD Seal U cars for sale · 2026 BYD Seal U price guide
More like this
- Used BYD Seal U Boost prices
- Used BYD Seal U for sale under £30,000
- Used BYD Seal U for sale near Crewe
Photos
5 photos of this car are on its AskCar page.
As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.