2026 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: 2026
• Mileage: 2,999 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: Black
• CO2: 26 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

The advertised mileage for this 2026 BYD Seal U Design is 2,999 miles. Its asking price of £30,406 is £1,735 above the AskCar estimate of £28,671. To work out the AskCar estimate, we analyse UK dealer adverts for 853 BYD Seal U cars across different ages and specifications. The dealer may accept less. This car has been on sale for at least 99 days, and its asking price is down £2,481. The seller is Drayton Motors Kia Boston, based in Boston. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,735 (6%) over the AskCar estimate of £28,671.

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 853 priced BYD Seal U adverts across different ages and specifications, as of 4 November 2026.

A 2026 BYD Seal U with the 1.5 plug-in hybrid engine is typically advertised at £27,000: the median of the 366 for sale on AskCar, as of 4 November 2026.

Time on sale

The dealer may accept less. This 2026 BYD Seal U has been on sale for at least 99 days, and its asking price has been cut by £2,481. About half of 2026 BYD Seal U cars are gone from sale within a month of being advertised: 151 of the 300 first advertised between 10 July 2026 and 1 October 2026.

Price history

AskCar first saw this advert on 28 July 2026 at £32,887. Its asking price is now £30,406, £2,481 less. The latest price cut was seen on 3 November 2026.

Price changes recorded:

• 28 July 2026: £32,887
• 12 August 2026: £32,629
• 18 August 2026: £31,887
• 20 August 2026: £32,887
• 12 September 2026: £31,887
• 25 September 2026: £31,748
• 6 October 2026: £31,422
• 14 October 2026: £30,887
• 20 October 2026: £30,655
• 3 November 2026: £30,406

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 1,000 miles higher than the median mileage of a 2026 BYD Seal U on AskCar.

Similar cars

36 other 2026 BYD Seal U Design 1.5 plug-in hybrid automatic SUVs are for sale at UK dealers, from £25,752 to £38,795, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2026 BYD Seal U Design, 1.5 plug-in hybrid SUV, black. Mileage: 3,500 miles. Price: £29,495, £911 less than this car. Dealer: WJ King Vauxhall & BYD Gravesend in Gravesend. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-e07777b93f8a
• 2026 BYD Seal U Design, 1.5 plug-in hybrid SUV, white. Mileage: 3,588 miles. Price: £27,688, £2,718 less than this car. Dealer: Lookers BYD Sheffield in Sheffield. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-3f883e699db7
• 2026 BYD Seal U Design, 1.5 plug-in hybrid SUV, black. Mileage: 4,417 miles. Price: £28,999, £1,407 less than this car. Dealer: Hendy Peugeot & Vauxhall Tonbridge in Tonbridge. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-ee4eef6184f2

• The nearest: 2026 BYD Seal U Design, 1.5 plug-in hybrid SUV, blue, 46 miles from this car. Mileage: 25 miles. Price: £31,995, £1,589 more than this car. Dealer: Pentagon BYD Nottingham in Nottingham. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-0ad58e16dadd