2026 BYD Seal U 1.5 Boost
Price: £23,350. Fair price: £561 (2%) under the AskCar estimate of £23,911, 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: 12,567 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 12,567 miles, around 9,700 more miles than is typical for its age. Its asking price of £23,350 is £561 below the AskCar estimate of £23,911. The AskCar estimate uses 814 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. It is for sale at Swansway Garages BYD Stoke 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 BYD Stoke is rated 4.6 out of 5 on Google.
Price
Fair price: £561 (2%) under the AskCar estimate of £23,911.
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 today. 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 9 November 2026 at £23,350. Its asking price has not changed.
Mileage and MOT
MOT: first test not yet due.
Advertised mileage is about 9,700 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, black. Mileage: 12,481 miles. Price: £23,399, the same price as this car. Dealer: cinch in St Neots. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-139747afea38
- 2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, grey. Mileage: 12,726 miles. Price: £23,250, £100 less than this car. Dealer: Swansway Garages BYD Stoke in Stoke-on-Trent. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-cbd3c192a531
- 2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, black. Mileage: 12,727 miles. Price: £23,399, the same price as this car. Dealer: cinch in St Neots. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-9ecc8fbbb4f2
- The nearest: 2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, black, under a mile from this car. Mileage: 11,837 miles. Price: £23,350, the same price as this car. Dealer: Swansway Garages BYD Stoke in Stoke-on-Trent. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-cb8aee84eed7
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.