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 4dr e (181 bhp)
• Year: 2026
• Mileage: 5,822 miles
• Fuel: Plug-in hybrid (petrol)
• Body: Saloon, 4 doors, 5 seats
• Engine: 1.5 litres, 181 bhp
• Gearbox: Automatic (CVT)
• Drive: Front-wheel drive
• Colour: Blue
• CO2: 52 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2026 BYD Seal 6 Boost is advertised with 5,822 miles, approximately 4,900 above the typical mileage for its age. Priced at £22,795, it is advertised £442 above the AskCar estimate of £22,353. The AskCar estimate uses 199 UK dealer adverts for the BYD Seal 6, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 94 days ago. Its asking price has since fallen by £3,200. The seller is Busseys BYD Norwich, based in Norwich. 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: £442 (1%) over the AskCar estimate of £22,353.

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 94 days.

Price history

AskCar first saw this advert on 4 August 2026 at £25,995. Its asking price is now £22,795, £3,200 less. The latest price cut was seen on 10 October 2026.

Price changes recorded:

• 4 August 2026: £25,995
• 7 August 2026: £25,495
• 10 October 2026: £22,795

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 4,900 miles higher than the median mileage of a 2026 BYD Seal 6 on AskCar.

Similar cars

37 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 6 November 2026.

The 3 closest to this car in mileage:

• 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid saloon, black. Mileage: 6,000 miles. Price: £20,990, £1,805 less than this car. Dealer: Snows BYD Southampton in Southampton. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-430a229c407e
• 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid saloon, black. Mileage: 6,195 miles. Price: £21,500, £1,295 less than this car. Dealer: Evans Halshaw BYD Shrewsbury in Shrewsbury. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-26d85dde5f8c
• 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid saloon, beige. Mileage: 6,500 miles. Price: £26,699, £3,904 more than this car. Dealer: Charles Hurst BYD Belfast in Belfast. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-2813524a3ea9

• The nearest: 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid saloon, blue, 38 miles from this car. Mileage: 10 miles. Price: £23,850, £1,055 more than this car. Dealer: Glyn Hopkin BYD Ipswich in Ipswich. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-0994b8aa9ad0