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: 2,600 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: Blue
• CO2: 26 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2025 BYD Seal U Design is advertised with 2,600 miles, approximately 5,500 below the typical mileage for its age. The dealer is asking £18,990, which is £7,746 below the AskCar estimate of £26,736. We recommend confirming the advertised price and vehicle details. 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 44 days ago, the asking price has dropped by £1,000. You can find this car at Lux Performance in Halifax. 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

Far below the going rate: £7,746 (28%) under the AskCar estimate of £26,736. Worth asking the dealer why.

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 44 days.

Price history

AskCar first saw this advert on 22 September 2026 at £19,990. Its asking price is now £18,990, £1,000 less. The latest price cut was seen on 29 October 2026.

Price changes recorded:

• 22 September 2026: £19,990
• 10 October 2026: £19,440
• 29 October 2026: £18,990

Mileage and MOT

Advertised mileage is about 5,500 miles lower 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 £23,099 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, white. Mileage: 2,706 miles. Price: £26,974, £7,984 more than this car. Dealer: Glyn Hopkin BYD Chelmsford in Chelmsford. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-a67ad4700641
• 2025 BYD Seal U Design, 1.5 plug-in hybrid SUV, grey. Mileage: 2,365 miles. Price: £28,995, £10,005 more than this car. Dealer: Pentagon BYD Burton in Burton upon Trent. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-264dddedca87
• 2025 BYD Seal U Design, 1.5 plug-in hybrid SUV, grey. Mileage: 3,055 miles. Price: £26,538, £7,548 more than this car. Dealer: LSH Auto BYD Manchester in Stockport. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-e50b820555f2

• The nearest: 2025 BYD Seal U Design, 1.5 plug-in hybrid SUV, white, 6 miles from this car. Mileage: 10,721 miles. Price: £24,000, £5,010 more than this car. Dealer: Perrys Huddersfield in Huddersfield. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-39b24e79c39f