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: 11,666 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: White
• CO2: 23 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 11,666 miles, this 2025 BYD Seal U Design has covered about 3,600 more miles than other 2025 BYD Seal U cars. The dealer is asking £25,379, which is £120 above the AskCar estimate of £25,259. To work out the AskCar estimate, we analyse UK dealer adverts for 859 BYD Seal U cars across different ages and specifications. We first recorded this car for sale 2 days ago. The seller is Glyn Hopkin BYD Chelmsford, based in Chelmsford. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £120 (under 1%) over the AskCar estimate of £25,259.

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 2 days ago. 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 3 November 2026 at £25,351. Its asking price is now £25,379, £28 more.

Price changes recorded:

• 3 November 2026: £25,351
• 4 November 2026: £25,379

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 3,600 miles higher 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, blue. Mileage: 11,501 miles. Price: £23,650, £1,729 less than this car. Dealer: Lookers BYD Sheffield in Sheffield. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-9c52759e2d35
• 2025 BYD Seal U Design, 1.5 plug-in hybrid SUV, grey. Mileage: 11,143 miles. Price: £24,490, £889 less than this car. Dealer: Snows BYD Honiton in Honiton. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-29b6272acd14
• 2025 BYD Seal U Design, 1.5 plug-in hybrid SUV, black. Mileage: 11,136 miles. Price: £24,250, £1,129 less than this car. Dealer: Greenhous Telford in Telford. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-fd44283924fb

• The nearest: 2025 BYD Seal U Design, 1.5 plug-in hybrid SUV, white, under a mile from this car. Mileage: 2,706 miles. Price: £26,974, £1,595 more than this car. Dealer: Glyn Hopkin BYD Chelmsford in Chelmsford. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-a67ad4700641