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) 5dr (180 bhp)
• Year: 2026
• Mileage: 3,850 miles
• Fuel: Plug-in hybrid (petrol)
• Body: Estate, 5 doors, 5 seats
• Engine: 1.5 litres, 180 bhp
• Gearbox: Automatic (CVT)
• Drive: Front-wheel drive
• Colour: Black
• CO2: 60 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2026 BYD Seal 6 Boost is advertised with 3,850 miles, approximately 2,900 above the typical mileage for its age. The dealer is asking £24,990, which is £1,952 above the AskCar estimate of £23,038. To work out the AskCar estimate, we analyse UK dealer adverts for 199 BYD Seal 6 cars across different ages and specifications. We first saw this car advertised 121 days ago. Its asking price has since fallen by £3,000. The seller is Snows BYD Southampton, based in Southampton. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Above the going rate: £1,952 (8%) over the AskCar estimate of £23,038.

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

Time on sale

This 2026 BYD Seal 6 has been on sale for at least 121 days.

Price history

AskCar first saw this advert on 8 July 2026 at £27,990. Its asking price is now £24,990, £3,000 less. The latest price cut was seen on 3 November 2026.

Price changes recorded:

• 9 July 2026: £27,990
• 8 October 2026: £26,990
• 27 October 2026: £25,990
• 3 November 2026: £24,990

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 2,900 miles higher than the median mileage of a 2026 BYD Seal 6 on AskCar.

Similar cars

61 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 6 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, £318 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: 3,517 miles. Price: £21,990, £3,000 less than this car. Dealer: Marshall BYD Maidstone in Maidstone. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-05f27af50615
• 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, black. Mileage: 3,500 miles. Price: £23,499, £1,491 less than this car. Dealer: SG Petch Durham in Durham. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-36dc64bcbb15

• The nearest: 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, white, 19 miles from this car. Mileage: 1,311 miles. Price: £21,999, £2,991 less than this car. Dealer: Hendy Car Store Portsmouth in Portsmouth. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-2e0f55bd5964