2026 BYD Seal 6 1.5 Boost

Overview

• Make: BYD
• Model: Seal 6
• Trim: Boost
• Version: 1.5 DM-i Boost CVT FWD Euro 6 4dr e (181 bhp)
• Year: 2026
• Mileage: 2,585 miles
• Fuel: Plug-in hybrid (petrol)
• Body: Saloon, 4 doors, 5 seats
• Engine: 1.5 litres, 181 bhp
• Gearbox: Automatic (CVT)
• Drive: Front-wheel drive
• Colour: Blue
• CO2: 52 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2026 BYD Seal 6 Boost is advertised with 2,585 miles on the clock. The dealer is asking £24,910, which is £2,128 above the AskCar estimate of £22,782. To work out the AskCar estimate, we analyse UK dealer adverts for 200 BYD Seal 6 cars across different ages and specifications. Since we first spotted the advert 159 days ago, the asking price has dropped by £4,089. 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

Above the going rate: £2,128 (9%) over the AskCar estimate of £22,782.

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 200 priced BYD Seal 6 adverts across different ages and specifications, as of 4 November 2026.

A 2026 BYD Seal 6 with the 1.5 plug-in hybrid engine is typically advertised at £23,900: the median of the 113 for sale on AskCar, as of 4 November 2026.

Time on sale

This 2026 BYD Seal 6 has been on sale for at least 159 days.

Price history

AskCar first saw this advert on 29 May 2026 at £28,999. Its asking price is now £24,910, £4,089 less. The latest price cut was seen on 17 September 2026.

Price changes recorded:

• 30 May 2026: £28,999
• 21 June 2026: £27,999
• 10 July 2026: £27,723
• 24 July 2026: £27,352
• 11 August 2026: £26,249
• 18 August 2026: £25,599
• 17 September 2026: £24,910

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 1,900 miles higher than the median mileage of a 2026 BYD Seal 6 on AskCar.

Similar cars

37 other 2026 BYD Seal 6 Boost 1.5 plug-in hybrid automatic saloons are for sale at UK dealers, from £19,800 to £33,995, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid saloon, black. Mileage: 2,500 miles. Price: £23,489, £1,421 less than this car. Dealer: Lookers BYD Sheffield in Sheffield. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-33a19edf1d53
• 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid saloon, blue. Mileage: 2,678 miles. Price: £22,200, £2,710 less than this car. Dealer: Marshall BYD Northampton in Northampton. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-b58a2c3b0783
• 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid saloon, black. Mileage: 1,678 miles. Price: £24,399, £511 less than this car. Dealer: Hendy Peugeot & Vauxhall Tonbridge in Tonbridge. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-8487968a0e0c

• The nearest: 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid saloon, gold, 68 miles from this car. Mileage: 11,566 miles. Price: £19,800, £5,110 less than this car. Dealer: Perrys Huddersfield in Huddersfield. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-632887baf46c