2026 BYD Seal U 1.5 Boost
Price: £25,500. Fair price: £149 (under 1%) under the AskCar estimate of £25,649, our expected asking price for this car from its model, age, mileage and specification, drawing on 854 priced BYD Seal U adverts on AskCar as of 6 November 2026.
AskCar lists 878 used BYD Seal U from 159 UK dealerships, as of 6 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: 5,287 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
At 5,287 miles, this 2026 BYD Seal U Boost has covered about 2,800 more miles than other 2026 BYD Seal U cars. The AskCar estimate for this car is £25,649. It is priced at £25,500, which is £149 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 854 BYD Seal U cars across different ages and specifications. We have tracked this advert today. The seller is Lookers BYD Sheffield, based in Sheffield. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 6 November 2026.
Price
Fair price: £149 (under 1%) under the AskCar estimate of £25,649.
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 854 priced BYD Seal U adverts across different ages and specifications, as of 6 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 372 for sale on AskCar, as of 6 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: 161 of the 316 first advertised between 10 July 2026 and 3 October 2026.
Price history
AskCar first saw this advert on 6 November 2026 at £25,500. Its asking price has not changed.
Mileage and MOT
MOT: first test not yet due.
Advertised mileage is about 2,800 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 £22,582 to £35,595, as of 6 November 2026.
The 3 closest to this car in mileage:
- 2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, grey. Mileage: 5,308 miles. Price: £24,400, £1,100 less than this car. Dealer: Marshall BYD Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-2bab2e9aa5d1
- 2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, grey. Mileage: 5,349 miles. Price: £23,997, £1,503 less than this car. Dealer: Stoneacre in Ford. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-db2ccc9eaa59
- 2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, black. Mileage: 5,177 miles. Price: £25,295, £205 less than this car. Dealer: Startin BYD (Redditch) in Redditch. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-d509231b0a58
- The nearest: 2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, blue, under a mile from this car. Mileage: 884 miles. Price: £26,795, £1,295 more than this car. Dealer: Lookers BYD Sheffield in Sheffield. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-38705171fed0
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 Sheffield
Photos
40 photos of this car are on its AskCar page.
As of 6 November 2026, AskCar lists 598,752 cars and vans from 12,905 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.