2026 BYD Seal U 1.5 Boost
Price: £23,900. Fair price: £1,197 (4%) under the AskCar estimate of £25,097, our expected asking price for this car from its model, age, mileage and specification, drawing on 814 priced BYD Seal U adverts on AskCar as of 9 November 2026.
AskCar lists 835 used BYD Seal U from 156 UK dealerships, as of 9 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: 6,801 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 6,801 miles, this 2026 BYD Seal U Boost has covered about 3,900 more miles than other 2026 BYD Seal U cars. The AskCar estimate for this car is £25,097. It is priced at £23,900, which is £1,197 below that estimate. The AskCar estimate uses 814 UK dealer adverts for the BYD Seal U, with adjustments for age, mileage, trim, engine and other specifications. We have tracked this advert for 2 days. The seller is Swansway Garages Stoke Audi, based in Stoke on Trent. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 9 November 2026.
Swansway Garages Stoke Audi is rated 4.4 out of 5 on Google.
Price
Fair price: £1,197 (4%) under the AskCar estimate of £25,097.
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 814 priced BYD Seal U adverts across different ages and specifications, as of 9 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 360 for sale on AskCar, as of 9 November 2026.
Time on sale
AskCar first saw this 2026 BYD Seal U advertised 2 days ago. About half of 2026 BYD Seal U cars are gone from sale within a month of being advertised: 168 of the 327 first advertised between 10 July 2026 and 6 October 2026.
Price history
AskCar first saw this advert on 7 November 2026 at £23,900. Its asking price has not changed.
Mileage and MOT
MOT: first test not yet due.
Advertised mileage is about 3,900 miles higher than the median mileage of a 2026 BYD Seal U on AskCar.
Similar cars
252 other 2026 BYD Seal U Boost 1.5 plug-in hybrid automatic SUVs are for sale at UK dealers, from £22,469 to £35,595, as of 9 November 2026.
The 3 closest to this car in mileage:
- 2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, blue. Mileage: 6,832 miles. Price: £24,800, £900 more than this car. Dealer: Marshall BYD Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-6caf8dc14820
- 2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, grey. Mileage: 6,958 miles. Price: £24,299, £399 more than this car. Dealer: cinch in Peterborough. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-970509446ca8
- 2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, white. Mileage: 6,976 miles. Price: £24,295, £395 more than this car. Dealer: Snows BYD Southampton in Southampton. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-a1a8860fc042
- The nearest: 2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, grey, 2 miles from this car. Mileage: 12,567 miles. Price: £23,350, £550 less than this car. Dealer: Swansway Garages BYD Stoke in Stoke-on-Trent. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-6c7b109d3f7e
Browse all BYD Seal U cars for sale · 2026 BYD Seal U price guide
More like this
- Used BYD Seal U Boost prices
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- Used BYD Seal U for sale near Stoke-on-Trent
Photos
5 photos of this car are on its AskCar page.
As of 9 November 2026, AskCar lists 584,619 cars and vans from 12,676 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.