2025 BYD Seal U 1.5 Design

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: 9,167 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: Grey
• CO2: 26 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

The advertised mileage for this 2025 BYD Seal U Design is 9,167 miles. Its asking price of £24,890 is £412 below the AskCar estimate of £25,302. The AskCar estimate draws on 859 BYD Seal U adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 23 days ago, the asking price has dropped by £1,000. The seller is Swansway Garages BYD Chester, based in Chester. 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: £412 (1%) under the AskCar estimate of £25,302.

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

This 2025 BYD Seal U has been on sale for at least 23 days.

Price history

AskCar first saw this advert on 13 October 2026 at £25,890. Its asking price is now £24,890, £1,000 less. The latest price cut was seen on 1 November 2026.

Price changes recorded:

• 13 October 2026: £25,890
• 23 October 2026: £25,290
• 1 November 2026: £24,890

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 1,100 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: 9,160 miles. Price: £26,998, £2,108 more than this car. Dealer: Arnold Clark Ayr BYD in Prestwick. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-d8fcba823f3f
• 2025 BYD Seal U Design, 1.5 plug-in hybrid SUV, grey. Mileage: 9,183 miles. Price: £24,499, £391 less than this car. Dealer: cinch in Maidstone. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-084378ac8b26
• 2025 BYD Seal U Design, 1.5 plug-in hybrid SUV, black. Mileage: 9,122 miles. Price: £25,399, £509 more than this car. Dealer: Thurlow Nunn in Lowestoft. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-d39503b456ec

• The nearest: 2025 BYD Seal U Design, 1.5 plug-in hybrid SUV, blue, 19 miles from this car. Mileage: 16,999 miles. Price: £25,995, £1,105 more than this car. Dealer: Pentagon Warrington in Warrington. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-ae5b196952e0