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: 8,036 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: Blue
• CO2: 23 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2026 BYD Seal U Design has covered 8,036 miles, around 5,000 more miles than is typical for its age. The AskCar estimate for this car is £27,829. It is priced at £26,499, which is £1,330 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 865 BYD Seal U cars across different ages and specifications. The dealer may accept less. This car has been on sale for at least 73 days, and its asking price is down £3,496. The seller is Marshall BYD Northampton, based in Northampton. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 10 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,330 (4%) under the AskCar estimate of £27,829.

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 865 priced BYD Seal U adverts across different ages and specifications, as of 10 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 367 for sale on AskCar, as of 10 November 2026.

Time on sale

The dealer may accept less. This 2026 BYD Seal U has been on sale for at least 73 days, and its asking price has been cut by £3,496. About half of 2026 BYD Seal U cars are gone from sale within a month of being advertised: 171 of the 332 first advertised between 10 July 2026 and 7 October 2026.

Price history

AskCar first saw this advert on 29 August 2026 at £29,995. Its asking price is now £26,499, £3,496 less. The latest price cut was seen on 10 November 2026.

Price changes recorded:

• 29 August 2026: £29,995
• 10 November 2026: £26,499

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 5,000 miles higher than the median mileage of a 2026 BYD Seal U on AskCar.

Similar cars

40 other 2026 BYD Seal U Design 1.5 plug-in hybrid automatic SUVs are for sale at UK dealers, from £25,290 to £38,795, as of 10 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, the same price as 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: 8,300 miles. Price: £27,790, £1,291 more than this car. Dealer: Evans Halshaw BYD Milton Keynes in Milton Keynes. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-e732e44694ce
• 2026 BYD Seal U Design, 1.5 plug-in hybrid SUV, grey. Mileage: 6,888 miles. Price: £26,899, £400 more than this car. Dealer: Halliwell Jones North Wales BYD in Conwy. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-b4dfb2bc9ad6

• The nearest: 2026 BYD Seal U Design, 1.5 plug-in hybrid SUV, white, 12 miles from this car. Mileage: 1,321 miles. Price: £27,995, £1,496 more than this car. Dealer: Chariots Specialist Cars Chariots BYD Kettering in Kettering. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-58c8a956e825