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: 9,362 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 9,362 miles, around 6,500 more miles than is typical for its age. The AskCar estimate for this car is £27,492. It is priced at £25,500, which is £1,992 below that estimate. The AskCar estimate draws on 814 BYD Seal U adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 37 days ago, the asking price has dropped by £500. The seller is Marshall BYD Maidstone, based in Maidstone. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 9 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,992 (7%) under the AskCar estimate of £27,492.

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 814 priced BYD Seal U adverts across different ages and specifications, as of 9 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 360 for sale on AskCar, as of 9 November 2026.

Time on sale

This 2026 BYD Seal U has been on sale for at least 37 days.

Price history

AskCar first saw this advert on 3 October 2026 at £26,000. Its asking price is now £25,500, £500 less. The latest price cut was seen on 17 October 2026.

Price changes recorded:

• 3 October 2026: £26,000
• 9 October 2026: £25,900
• 17 October 2026: £25,500

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 6,500 miles higher than the median mileage of a 2026 BYD Seal U on AskCar.

Similar cars

39 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 9 November 2026.

The 3 closest to this car in mileage:

• 2026 BYD Seal U Design, 1.5 plug-in hybrid SUV, grey. Mileage: 9,570 miles. Price: £25,990, £490 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: 9,580 miles. Price: £26,995, £1,495 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: 10,127 miles. Price: £25,750, £250 more than this car. Dealer: Lookers BYD Middlesbrough in Middlesbrough. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-4aa1059e698f

• The nearest: 2026 BYD Seal U Design, 1.5 plug-in hybrid SUV, black, 12 miles from this car. Mileage: 4,417 miles. Price: £28,999, £3,499 more than this car. Dealer: Hendy Peugeot & Vauxhall Tonbridge in Tonbridge. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-ee4eef6184f2