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 5dr e (181 bhp)
• Year: 2026
• Mileage: 3,779 miles
• Fuel: Plug-in hybrid (petrol)
• Body: Estate, 5 doors, 5 seats
• Engine: 1.5 litres, 181 bhp
• Gearbox: Automatic (CVT)
• Drive: Front-wheel drive
• Colour: Blue
• CO2: 60 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2026 BYD Seal 6 Boost is advertised with 3,779 miles, approximately 3,000 above the typical mileage for its age. Priced at £23,895, it is advertised £1,267 above the AskCar estimate of £22,628. 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 153 days ago, the asking price has dropped by £5,100. The seller is Perrys Aylesbury, based in Aylesbury. 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: £1,267 (5%) over the AskCar estimate of £22,628.

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 153 days.

Price history

AskCar first saw this advert on 4 June 2026 at £28,995. Its asking price is now £23,895, £5,100 less. The latest price cut was seen on 12 September 2026.

Price changes recorded:

• 4 June 2026: £28,995
• 16 June 2026: £27,995
• 19 June 2026: £27,495
• 22 June 2026: £26,999
• 29 June 2026: £26,394
• 24 July 2026: £26,280
• 5 August 2026: £24,900
• 16 August 2026: £23,620
• 22 August 2026: £23,500
• 29 August 2026: £23,373
• 5 September 2026: £23,200
• 12 September 2026: £23,150
• 6 October 2026: £23,895

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 6 on AskCar.

Similar cars

65 other 2026 BYD Seal 6 Boost 1.5 plug-in hybrid automatic estates are for sale at UK dealers, from £19,990 to £29,995, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, black. Mileage: 3,732 miles. Price: £25,308, £1,413 more than this car. Dealer: BYD Alan Day New Southgate in New Southgate. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-79be54488ce2
• 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, black. Mileage: 3,850 miles. Price: £24,990, £1,095 more than this car. Dealer: Snows BYD Southampton in Southampton. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-f6934839cd9d
• 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, black. Mileage: 3,517 miles. Price: £21,990, £1,905 less than this car. Dealer: Marshall BYD Maidstone in Maidstone. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-05f27af50615

• The nearest: 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, white, 20 miles from this car. Mileage: 831 miles. Price: £23,899, the same price as this car. Dealer: Hartwell Kidlington in Kidlington. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-5290e081de29