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: 10,894 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 10,894 miles, this 2025 BYD Seal U Design has covered about 2,800 more miles than other 2025 BYD Seal U cars. The AskCar estimate for this car is £25,374. It is priced at £25,460, which is £86 above that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 859 BYD Seal U cars across different ages and specifications. The dealer may accept less. This car has been on sale for at least 67 days, and its asking price is down £290. The seller is Evans Halshaw BYD Bury, based in Bury. 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: £86 (under 1%) over the AskCar estimate of £25,374.

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

The dealer may accept less. This 2025 BYD Seal U has been on sale for at least 67 days, and its asking price has been cut by £290. 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 30 August 2026 at £25,750. Its asking price is now £25,460, £290 less. The latest price cut was seen on 22 October 2026.

Price changes recorded:

• 30 August 2026: £25,750
• 2 September 2026: £25,980
• 3 September 2026: £21,650
• 4 September 2026: £25,733
• 5 September 2026: £25,760
• 14 September 2026: £25,860
• 30 September 2026: £25,610
• 22 October 2026: £25,460

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 2,800 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: 10,888 miles. Price: £23,900, £1,560 less than this car. Dealer: Marshall BYD St Neots in St Neots. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-45c866fece33
• 2025 BYD Seal U Design, 1.5 plug-in hybrid SUV, white. Mileage: 10,721 miles. Price: £24,000, £1,460 less than this car. Dealer: Perrys Huddersfield in Huddersfield. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-39b24e79c39f
• 2025 BYD Seal U Design, 1.5 plug-in hybrid SUV, blue. Mileage: 11,123 miles. Price: £23,929, £1,531 less than this car. Dealer: Sandicliffe MG Nottingham in Nottingham. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-3384fcd32b69

• The nearest: 2025 BYD Seal U Design, 1.5 plug-in hybrid SUV, white, 14 miles from this car. Mileage: 5,767 miles. Price: £26,320, £860 more than this car. Dealer: LSH Auto BYD Manchester in Stockport. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-0394d851fa1a