2025 BYD Seal U 1.5 Design
Price: £23,750. Good value: £2,586 (9%) under the AskCar estimate of £26,336, 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: Design
- Version: 1.5 18.3kWh Design CVT 4WD Euro 6 (s/s) 5dr (319 bhp)
- Year: 2025
- Mileage: 5,300 miles
- Fuel: Plug-in hybrid (petrol)
- Body: SUV, 5 doors, 5 seats
- Engine: 1.5 litres, 319 bhp
- Gearbox: Automatic (CVT)
- Drive: Four-wheel drive
- Colour: Silver
- CO2: 26 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2025 BYD Seal U Design is advertised with 5,300 miles, approximately 2,800 below the typical mileage for its age. Priced at £23,750, it is advertised £2,586 below the AskCar estimate of £26,336. The AskCar estimate uses 859 UK dealer adverts for the BYD Seal U, with adjustments for age, mileage, trim, engine and other specifications. We have tracked this advert today. It is for sale at Saxtons.co.uk in Chelmsford. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 5 November 2026.
Price
Good value: £2,586 (9%) under the AskCar estimate of £26,336.
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 2025 BYD Seal U with the 1.5 plug-in hybrid engine is typically advertised at £24,600: the median of the 495 for sale on AskCar, as of 5 November 2026.
Time on sale
AskCar first saw this 2025 BYD Seal U advertised today. About half of 2025 BYD Seal U cars are gone from sale within a month of being advertised: 611 of the 1,181 first advertised between 8 July 2026 and 2 October 2026.
Price history
AskCar first saw this advert on 5 November 2026 at £23,750. Its asking price has not changed.
Mileage and MOT
MOT: first test not yet due.
Advertised mileage is about 2,800 miles lower than the median mileage of a 2025 BYD Seal U on AskCar.
Similar cars
68 other 2025 BYD Seal U Design 1.5 plug-in hybrid automatic SUVs are for sale at UK dealers, from £18,990 to £38,595, as of 5 November 2026.
The 3 closest to this car in mileage:
- 2025 BYD Seal U Design, 1.5 plug-in hybrid SUV, grey. Mileage: 5,500 miles. Price: £26,799, £3,049 more than this car. Dealer: SG Petch Durham in Durham. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-916d01a583a7
- 2025 BYD Seal U Design, 1.5 plug-in hybrid SUV, grey. Mileage: 5,600 miles. Price: £25,290, £1,540 more than this car. Dealer: Grainger Motor Group Mantles BYD Royston in Royston. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-2164935dcfc7
- 2025 BYD Seal U Design, 1.5 plug-in hybrid SUV, white. Mileage: 5,767 miles. Price: £26,320, £2,570 more than this car. Dealer: LSH Auto BYD Manchester in Stockport. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-0394d851fa1a
- The nearest: 2025 BYD Seal U Design, 1.5 plug-in hybrid SUV, white, under a mile from this car. Mileage: 11,666 miles. Price: £25,379, £1,629 more than this car. Dealer: Glyn Hopkin BYD Chelmsford in Chelmsford. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-a2be8a725541
Browse all BYD Seal U cars for sale · 2025 BYD Seal U price guide
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Photos
1 photo of this car is 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.