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: 6,500 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: Beige
• CO2: 52 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2026 BYD Seal 6 Boost is advertised with 6,500 miles, approximately 5,600 above the typical mileage for its age. Priced at £26,699, it is advertised £4,495 above the AskCar estimate of £22,204. The AskCar estimate uses UK dealer asking prices, including 199 BYD Seal 6 adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 63 days ago, the asking price has dropped by £300. The seller is Charles Hurst BYD Belfast, based in Belfast. 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: £4,495 (20%) over the AskCar estimate of £22,204.

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 63 days.

Price history

AskCar first saw this advert on 4 September 2026 at £26,999. Its asking price is now £26,699, £300 less. The latest price cut was seen on 13 October 2026.

Price changes recorded:

• 4 September 2026: £26,999
• 15 September 2026: £26,895
• 30 September 2026: £26,795
• 13 October 2026: £26,695
• 6 November 2026: £26,699

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 5,600 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, beige. Mileage: 6,641 miles. Price: £21,597, £5,102 less than this car. Dealer: LSH Auto BYD Manchester in Stockport. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-d8b4edd7a917
• 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid saloon, black. Mileage: 6,195 miles. Price: £21,500, £5,199 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, black. Mileage: 6,000 miles. Price: £20,990, £5,709 less than this car. Dealer: Snows BYD Southampton in Southampton. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-430a229c407e

• The nearest: 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid saloon, black, 121 miles from this car. Mileage: 3,020 miles. Price: £22,500, £4,199 less than this car. Dealer: Lloyd AllRoad in Carlisle. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-e04dcbb2515d