2026 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: 2026
• Mileage: 3,588 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: White
• CO2: 23 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2026 BYD Seal U Design is advertised with 3,588 miles on the clock. Priced at £27,688, it is advertised £1,661 below the AskCar estimate of £29,349. 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 160 days, and its asking price is down £4,252. The seller is Lookers BYD Sheffield, based in Sheffield. 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: £1,661 (5%) under the AskCar estimate of £29,349.

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 160 days, and its asking price has been cut by £4,252. 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 May 2026 at £31,940. Its asking price is now £27,688, £4,252 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

• 28 May 2026: £31,940
• 16 June 2026: £31,935
• 29 June 2026: £31,755
• 2 July 2026: £31,704
• 4 July 2026: £31,588
• 6 July 2026: £31,389
• 13 July 2026: £31,189
• 3 August 2026: £30,664
• 16 August 2026: £30,241
• 18 August 2026: £30,050
• 24 August 2026: £29,950
• 29 August 2026: £29,788
• 3 September 2026: £29,597
• 8 September 2026: £29,100
• 12 September 2026: £28,789
• 16 September 2026: £28,700
• 22 September 2026: £28,511
• 26 September 2026: £28,400
• 30 September 2026: £28,247
• 6 October 2026: £28,165
• 10 October 2026: £28,095
• 15 October 2026: £28,000
• 20 October 2026: £27,950
• 24 October 2026: £27,925
• 28 October 2026: £27,688

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 1,600 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, £1,807 more 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, black. Mileage: 2,999 miles. Price: £30,406, £2,718 more than this car. Dealer: Drayton Motors Kia Boston in Boston. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-28905f28fd5b
• 2026 BYD Seal U Design, 1.5 plug-in hybrid SUV, black. Mileage: 4,417 miles. Price: £28,999, £1,311 more 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, white, under a mile from this car. Mileage: 4,472 miles. Price: £27,520, £168 less than this car. Dealer: Lookers BYD Sheffield in Sheffield. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-c3d9b2df1712