2026 BYD Seal U 1.5 Design

Overview

• Make: BYD
• Model: Seal U
• Trim: Design
• Version: 1.5 18.3kWh Design CVT 4WD Euro 6 (s/s) 5dr (319 bhp)
• Year: 2026
• Mileage: 6,400 miles
• Fuel: Plug-in hybrid (petrol)
• Body: SUV, 5 doors, 5 seats
• Engine: 1.5 litres, 319 bhp
• Gearbox: Automatic (CVT)
• Drive: Four-wheel drive
• Colour: Black
• CO2: 26 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2026 BYD Seal U Design has covered 6,400 miles, around 4,400 more miles than is typical for its age. The dealer is asking £29,900, which is £1,919 above the AskCar estimate of £27,981. 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 60 days, and its asking price is down £4,100. The seller is John Clark BYD Aberdeen, based in Aberdeen. 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: £1,919 (6%) over the AskCar estimate of £27,981.

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 60 days, and its asking price has been cut by £4,100. 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 5 September 2026 at £34,000. Its asking price is now £29,900, £4,100 less. The latest price cut was seen on 4 October 2026.

Price changes recorded:

• 5 September 2026: £34,000
• 16 September 2026: £31,000
• 18 September 2026: £30,900
• 4 October 2026: £29,900

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 4,400 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, grey. Mileage: 6,888 miles. Price: £26,899, £3,001 less than this car. Dealer: Halliwell Jones North Wales BYD in Conwy. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-b4dfb2bc9ad6
• 2026 BYD Seal U Design, 1.5 plug-in hybrid SUV, grey. Mileage: 5,500 miles. Price: £28,500, £1,400 less than this car. Dealer: Marshall BYD St Neots in St Neots. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-0d52a1a1f2d9
• 2026 BYD Seal U Design, 1.5 plug-in hybrid SUV, black. Mileage: 5,184 miles. Price: £27,290, £2,610 less than this car. Dealer: Snows BYD Newbury in Newbury. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-68ac286989a8

• The nearest: 2026 BYD Seal U Design, 1.5 plug-in hybrid SUV, grey, 95 miles from this car. Mileage: 10 miles. Price: £38,095, £8,195 more than this car. Dealer: Arnold Clark Edinburgh Sighthill Motorstore / Fiat / BYD in Edinburgh. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-2bbac755c1db