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: 5,500 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 5,500 miles, around 3,000 more miles than is typical for its age. The AskCar estimate for this car is £28,998. It is priced at £28,500, which is £498 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 850 BYD Seal U cars across different ages and specifications. We first recorded this advert 57 days ago, and its asking price has since fallen by £2,000. You can find this car at Marshall BYD St Neots in St. Neots. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £498 (1%) under the AskCar estimate of £28,998.

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 850 priced BYD Seal U adverts across different ages and specifications, as of 2 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 362 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2026 BYD Seal U has been on sale for at least 57 days.

Price history

AskCar first saw this advert on 6 September 2026 at £30,500. Its asking price is now £28,500, £2,000 less. The latest price cut was seen on 26 October 2026.

Price changes recorded:

• 6 September 2026: £30,500
• 17 October 2026: £29,450
• 26 October 2026: £28,500

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 3,000 miles higher than the median mileage of a 2026 BYD Seal U on AskCar.

Similar cars

38 other 2026 BYD Seal U Design 1.5 plug-in hybrid automatic SUVs are for sale at UK dealers, from £24,995 to £38,795, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2026 BYD Seal U Design, 1.5 plug-in hybrid SUV, grey. Mileage: 5,699 miles. Price: £28,390, £110 less 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, black. Mileage: 5,184 miles. Price: £28,790, £290 more than this car. Dealer: Snows BYD Newbury in Newbury. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-68ac286989a8
• 2026 BYD Seal U Design, 1.5 plug-in hybrid SUV, white. Mileage: 4,999 miles. Price: £32,995, £4,495 more than this car. Dealer: Pentagon BYD Nottingham in Nottingham. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-55924addb911

• The nearest: 2026 BYD Seal U Design, 1.5 plug-in hybrid SUV, grey, 22 miles from this car. Mileage: 11,457 miles. Price: £27,895, £605 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