2025 BYD Seal U 1.5 Design

Overview

• Make: BYD
• Model: Seal U
• Trim: Design
• Version: 1.5 DM-i Design Auto 4WD Euro 6 5dr (319 bhp)
• Year: 2025
• Mileage: 3,769 miles
• Fuel: Plug-in hybrid (petrol)
• Body: SUV, 5 doors, 5 seats
• Engine: 1.5 litres, 319 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 23 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 3,769 miles, this 2025 BYD Seal U Design has covered about 4,400 fewer miles than other 2025 BYD Seal U cars. Priced at £26,695, it is advertised £213 below the AskCar estimate of £26,908. To work out the AskCar estimate, we analyse UK dealer adverts for 865 BYD Seal U cars across different ages and specifications. This car was first seen in our listings data today. The seller is Glyn Hopkin BYD Colchester, based in Colchester. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 10 November 2026.

How we estimate prices and check cars

Price

Fair price: £213 (under 1%) under the AskCar estimate of £26,908.

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 865 priced BYD Seal U adverts across different ages and specifications, as of 10 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 508 for sale on AskCar, as of 10 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: 646 of the 1,224 first advertised between 11 July 2026 and 7 October 2026.

Price history

AskCar first saw this advert on 10 November 2026 at £26,695. Its asking price has not changed.

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 4,400 miles lower than the median mileage of a 2025 BYD Seal U on AskCar.

Similar cars

78 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 10 November 2026.

The 3 closest to this car in mileage:

• 2025 BYD Seal U Design, 1.5 plug-in hybrid SUV, black. Mileage: 3,710 miles. Price: £26,400, £295 less than this car. Dealer: John Clark BYD Aberdeen in Aberdeen. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-398f5ca5a44f
• 2025 BYD Seal U Design, 1.5 plug-in hybrid SUV, grey. Mileage: 3,921 miles. Price: £26,695, the same price as this car. Dealer: Glyn Hopkin BYD Waltham Abbey in Waltham Abbey. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-82266e13af06
• 2025 BYD Seal U Design, 1.5 plug-in hybrid SUV, grey. Mileage: 3,932 miles. Price: £26,695, the same price as this car. Dealer: Glyn Hopkin BYD Romford in Romford. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-a3d32a06269c

• The nearest: 2025 BYD Seal U Design, 1.5 plug-in hybrid SUV, white, 22 miles from this car. Mileage: 11,666 miles. Price: £25,363, £1,332 less than this car. Dealer: Glyn Hopkin BYD Chelmsford in Chelmsford. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-a2be8a725541