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: 3,999 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: Gold
• CO2: 52 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 3,999 miles, this 2026 BYD Seal 6 Boost has covered about 3,100 more miles than other 2026 BYD Seal 6 cars. The AskCar estimate for this car is £22,956. It is priced at £24,952, which is £1,996 above that estimate. The AskCar estimate uses UK dealer asking prices, including 197 BYD Seal 6 adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 111 days ago. Its asking price has since fallen by £1,731. The seller is Drayton Motors Kia Boston, based in Boston. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Above the going rate: £1,996 (8%) over the AskCar estimate of £22,956.

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 197 priced BYD Seal 6 adverts across different ages and specifications, as of 5 November 2026.

A 2026 BYD Seal 6 with the 1.5 plug-in hybrid engine is typically advertised at £23,800: the median of the 110 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2026 BYD Seal 6 has been on sale for at least 111 days.

Price history

AskCar first saw this advert on 17 July 2026 at £26,683. Its asking price is now £24,952, £1,731 less. The latest price cut was seen on 18 August 2026.

Price changes recorded:

• 17 July 2026: £26,683
• 28 July 2026: £25,889
• 3 August 2026: £25,711
• 12 August 2026: £25,533
• 18 August 2026: £24,887
• 23 September 2026: £24,952

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 3,100 miles higher than the median mileage of a 2026 BYD Seal 6 on AskCar.

Similar cars

36 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 5 November 2026.

The 3 closest to this car in mileage:

• 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid saloon, black. Mileage: 3,500 miles. Price: £23,490, £1,462 less than this car. Dealer: All Electric BYD Stourbridge in Stourbridge. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-89b0f481a45f
• 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid saloon, blue. Mileage: 4,744 miles. Price: £21,999, £2,953 less than this car. Dealer: cinch in Maidstone. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-830441ca100f
• 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid saloon, black. Mileage: 3,020 miles. Price: £23,500, £1,452 less than this car. Dealer: Lloyd AllRoad in Carlisle. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-e04dcbb2515d

• The nearest: 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid saloon, black, 11 miles from this car. Mileage: 150 miles. Price: £23,345, £1,607 less than this car. Dealer: EMG Motor Group Spalding BYD in Spalding. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-15ac2958038f