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: 11,670 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: White
• CO2: 60 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2026 BYD Seal 6 Boost is advertised with 11,670 miles, approximately 10,800 above the typical mileage for its age. Its asking price of £20,990 is £614 below the AskCar estimate of £21,604. The AskCar estimate uses UK dealer asking prices, including 199 BYD Seal 6 adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 16 days ago. Its asking price has since fallen by £5. The seller is All Electric BYD Birmingham South, based in Birmingham. 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

Fair price: £614 (2%) under the AskCar estimate of £21,604.

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 16 days.

Price history

AskCar first saw this advert on 21 October 2026 at £20,995. Its asking price is now £20,990, £5 less. The latest price cut was seen on 6 November 2026.

Price changes recorded:

• 21 October 2026: £20,995
• 6 November 2026: £20,990

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 10,800 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, white. Mileage: 11,111 miles. Price: £22,026, £1,036 more than this car. Dealer: LSH Auto BYD Manchester in Stockport. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-f67dd6776886
• 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, blue. Mileage: 12,276 miles. Price: £20,700, £290 less than this car. Dealer: Marshall BYD Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-114098f0616f
• 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, black. Mileage: 12,915 miles. Price: £19,990, £1,000 less than this car. Dealer: Swansway Garages BYD Crewe in Crewe. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-ddfedc9be635

• The nearest: 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, gold, 7 miles from this car. Mileage: 100 miles. Price: £22,510, £1,520 more than this car. Dealer: Evans Halshaw BYD Birmingham in Birmingham. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-4a72cffdcb6f