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: 8,300 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: Grey
• CO2: 23 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2026 BYD Seal U Design has covered 8,300 miles, around 6,300 more miles than is typical for its age. The dealer is asking £27,790, which is £374 below the AskCar estimate of £28,164. 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 113 days. 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 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £374 (1%) under the AskCar estimate of £28,164.

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 113 days. 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 14 July 2026 at £28,990. Its asking price is now £27,790, £1,200 less.

Price changes recorded:

• 5 September 2026: £28,990
• 27 September 2026: £28,390
• 3 November 2026: £27,790

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 6,300 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, white. Mileage: 7,999 miles. Price: £26,495, £1,295 less than this car. Dealer: Pentagon BYD Nottingham in Nottingham. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-5f98c21eacfc
• 2026 BYD Seal U Design, 1.5 plug-in hybrid SUV, grey. Mileage: 9,570 miles. Price: £25,990, £1,800 less than this car. Dealer: Snows BYD Chichester in Chichester. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-63b680aa4efb
• 2026 BYD Seal U Design, 1.5 plug-in hybrid SUV, grey. Mileage: 9,580 miles. Price: £26,995, £795 less than this car. Dealer: Evans Halshaw BYD Bury in Bury. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-459e11a0c392

• The nearest: 2026 BYD Seal U Design, 1.5 plug-in hybrid SUV, grey, under a mile from this car. Mileage: 11,457 miles. Price: £27,295, £495 less than this car. Dealer: Evans Halshaw BYD Milton Keynes in Milton Keynes. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-b23a725fde8d