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: 10,127 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

With 10,127 miles on the clock, this 2026 BYD Seal U Design has done roughly 8,100 more miles than a typical 2026 BYD Seal U. The dealer is asking £25,752, which is £1,898 below the AskCar estimate of £27,650. To work out the AskCar estimate, we analyse UK dealer adverts for 853 BYD Seal U cars across different ages and specifications. Since we first spotted the advert 7 days ago, the asking price has dropped by £526. The seller is Lookers BYD Middlesbrough, based in Middlesbrough. 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: £1,898 (6%) under the AskCar estimate of £27,650.

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

This 2026 BYD Seal U has been on sale for at least 7 days.

Price history

AskCar first saw this advert on 28 October 2026 at £26,278. Its asking price is now £25,752, £526 less. The latest price cut was seen on 31 October 2026.

Price changes recorded:

• 28 October 2026: £26,278
• 30 October 2026: £25,999
• 31 October 2026: £25,752

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 8,100 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 £25,990 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, grey. Mileage: 9,580 miles. Price: £26,995, £1,243 more than this car. Dealer: Evans Halshaw BYD Bury in Bury. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-459e11a0c392
• 2026 BYD Seal U Design, 1.5 plug-in hybrid SUV, grey. Mileage: 9,570 miles. Price: £25,990, £238 more 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: 11,457 miles. Price: £27,295, £1,543 more than this car. Dealer: Evans Halshaw BYD Milton Keynes in Milton Keynes. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-b23a725fde8d

• The nearest: 2026 BYD Seal U Design, 1.5 plug-in hybrid SUV, grey, 6 miles from this car. Mileage: 4,983 miles. Price: £28,287, £2,535 more than this car. Dealer: Vertu BYD Hartlepool in Hartlepool. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-665ab3677e55