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: 12,649 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: Blue
• CO2: 23 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2025 BYD Seal U Design has covered 12,649 miles, around 4,600 more miles than is typical for its age. Priced at £24,180, it is advertised £934 below the AskCar estimate of £25,114. 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 103 days, and its asking price is down £2,830. The seller is Evans Halshaw BYD Milton Keynes, based in Milton Keynes. 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: £934 (3%) under the AskCar estimate of £25,114.

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 103 days, and its asking price has been cut by £2,830. 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 25 July 2026 at £27,010. Its asking price is now £24,180, £2,830 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

• 25 July 2026: £27,010
• 28 July 2026: £26,630
• 4 August 2026: £26,580
• 11 August 2026: £26,080
• 18 August 2026: £25,840
• 25 August 2026: £25,510
• 3 September 2026: £25,210
• 8 September 2026: £25,160
• 17 September 2026: £24,640
• 22 September 2026: £24,540
• 21 October 2026: £24,450
• 27 October 2026: £24,320
• 4 November 2026: £24,180

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 4,600 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, grey. Mileage: 12,409 miles. Price: £25,839, £1,659 more than this car. Dealer: Lookers BYD Middlesbrough in Middlesbrough. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-46cb8e697c20
• 2025 BYD Seal U Design, 1.5 plug-in hybrid SUV, grey. Mileage: 12,271 miles. Price: £26,299, £2,119 more than this car. Dealer: Gates Of Stevenage in Stevenage. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-c3ca622da47d
• 2025 BYD Seal U Design, 1.5 plug-in hybrid SUV, grey. Mileage: 13,566 miles. Price: £25,490, £1,310 more than this car. Dealer: SG Petch Darlington in Darlington. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-59023ec9fd10

• The nearest: 2025 BYD Seal U Design, 1.5 plug-in hybrid SUV, blue, 15 miles from this car. Mileage: 8,773 miles. Price: £24,599, £419 more than this car. Dealer: cinch in Northampton. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-062e5a9b111f