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: 6,195 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: Black
• CO2: 52 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2026 BYD Seal 6 Boost is advertised with 6,195 miles, approximately 5,300 above the typical mileage for its age. Its asking price of £21,500 is £849 below the AskCar estimate of £22,349. The AskCar estimate draws on 197 BYD Seal 6 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this advert 161 days ago, and its asking price has since fallen by £6,446. The seller is Evans Halshaw BYD Shrewsbury, based in Shrewsbury. 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

Fair price: £849 (3%) under the AskCar estimate of £22,349.

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 161 days.

Price history

AskCar first saw this advert on 28 May 2026 at £27,946. Its asking price is now £21,500, £6,446 less. The latest price cut was seen on 5 November 2026.

Price changes recorded:

• 28 May 2026: £27,946
• 29 May 2026: £27,070
• 4 June 2026: £26,970
• 16 June 2026: £26,800
• 19 June 2026: £26,300
• 11 July 2026: £25,990
• 16 July 2026: £26,320
• 30 July 2026: £25,995
• 6 August 2026: £24,497
• 13 August 2026: £24,500
• 20 August 2026: £23,990
• 1 October 2026: £23,340
• 7 October 2026: £22,800
• 15 October 2026: £21,995
• 22 October 2026: £21,900
• 29 October 2026: £21,850
• 5 November 2026: £21,500

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 5,300 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: 6,000 miles. Price: £20,990, £510 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, beige. Mileage: 6,500 miles. Price: £26,695, £5,195 more than this car. Dealer: Charles Hurst BYD Belfast in Belfast. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-2813524a3ea9
• 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid saloon, blue. Mileage: 5,822 miles. Price: £22,795, £1,295 more than this car. Dealer: Busseys BYD Norwich in Norwich. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-08221fe69981

• The nearest: 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid saloon, black, 32 miles from this car. Mileage: 3,500 miles. Price: £23,490, £1,990 more than this car. Dealer: All Electric BYD Stourbridge in Stourbridge. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-89b0f481a45f