2026 BYD Seal 6 1.5 Boost

Overview

• Make: BYD
• Model: Seal 6
• Trim: Boost
• Version: 1.5 10kWh Boost CVT FWD Euro 6 (s/s) 4dr (180 bhp)
• Year: 2026
• Mileage: 39 miles
• Fuel: Plug-in hybrid (petrol)
• Body: Saloon, 4 doors, 5 seats
• Engine: 1.5 litres, 180 bhp
• Gearbox: Automatic (CVT)
• Drive: Front-wheel drive
• Colour: Black
• CO2: 52 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2026 BYD Seal 6 Boost is advertised with 39 miles on the clock. The AskCar estimate for this car is £24,723. It is priced at £22,949, which is £1,774 below that estimate. The AskCar estimate uses UK dealer asking prices, including 198 BYD Seal 6 adverts, and accounts for the car’s age, mileage and specification. We first recorded this advert 98 days ago, and its asking price has since fallen by £8,769. The seller is Hartwell Banbury, based in Banbury. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,774 (7%) under the AskCar estimate of £24,723.

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 198 priced BYD Seal 6 adverts across different ages and specifications, as of 7 November 2026.

A 2026 BYD Seal 6 with the 1.5 plug-in hybrid engine is typically advertised at £23,500: the median of the 112 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2026 BYD Seal 6 has been on sale for at least 98 days.

Price history

AskCar first saw this advert on 1 August 2026 at £31,718. Its asking price is now £22,949, £8,769 less. The latest price cut was seen on 27 October 2026.

Price changes recorded:

• 1 August 2026: £31,718
• 2 August 2026: £25,999
• 3 September 2026: £25,249
• 15 September 2026: £24,499
• 26 September 2026: £23,999
• 13 October 2026: £23,499
• 27 October 2026: £22,949

Mileage and MOT

MOT: first test not yet due.

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

Similar cars

39 other 2026 BYD Seal 6 Boost 1.5 plug-in hybrid automatic saloons are for sale at UK dealers, from £20,000 to £33,995, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid saloon, blue. Mileage: 32 miles. Price: £22,999, £50 more than this car. Dealer: EMG Motor Group Kings Lynn BYD in King's Lynn. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-357bfe62a6b2
• 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid saloon, blue. Mileage: 31 miles. Price: £24,495, £1,546 more than this car. Dealer: EMC Uckfield Vauxhall in Uckfield. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-88fe59e9791a
• 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid saloon, black. Mileage: 25 miles. Price: £22,495, £454 less than this car. Dealer: Pentagon Warrington in Warrington. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-2ef10f172da7

• The nearest: 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid saloon, blue, 23 miles from this car. Mileage: 11,963 miles. Price: £21,000, £1,949 less than this car. Dealer: Marshall BYD Northampton in Northampton. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-6dd633dc3e9a