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 5dr e (181 bhp)
• Year: 2026
• Mileage: 15 miles
• Fuel: Plug-in hybrid (petrol)
• Body: Estate, 5 doors, 5 seats
• Engine: 1.5 litres, 181 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 has covered 15 miles. Its asking price of £21,500 is £3,117 below the AskCar estimate of £24,617. The AskCar estimate uses UK dealer asking prices, including 197 BYD Seal 6 adverts, and accounts for the car’s age, mileage and specification. Since we first spotted the advert 117 days ago, the asking price has dropped by £5,690. The seller is Marshall BYD Ashford, based in Ashford. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Good value: £3,117 (12%) under the AskCar estimate of £24,617.

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 2 November 2026.

A 2026 BYD Seal 6 with the 1.5 plug-in hybrid engine is typically advertised at £23,900: the median of the 106 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2026 BYD Seal 6 has been on sale for at least 117 days.

Price history

AskCar first saw this advert on 8 July 2026 at £27,190. Its asking price is now £21,500, £5,690 less. The latest price cut was seen on 29 October 2026.

Price changes recorded:

• 8 July 2026: £27,190
• 23 July 2026: £27,000
• 25 July 2026: £25,900
• 14 August 2026: £25,600
• 18 August 2026: £25,400
• 21 August 2026: £25,300
• 28 August 2026: £25,100
• 2 September 2026: £24,800
• 12 September 2026: £24,300
• 25 September 2026: £23,000
• 2 October 2026: £22,500
• 8 October 2026: £22,300
• 17 October 2026: £21,800
• 29 October 2026: £21,500

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 800 miles lower than the median mileage of a 2026 BYD Seal 6 on AskCar.

Similar cars

60 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 2 November 2026.

The 3 closest to this car in mileage:

• 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, white. Mileage: 15 miles. Price: £21,599, £99 more than this car. Dealer: cinch in Ashford. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-92fe394bb7c2
• 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, black. Mileage: 15 miles. Price: £22,490, £990 more than this car. Dealer: Greenhous Telford in Telford. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-a3d566559268
• 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, gold. Mileage: 12 miles. Price: £24,000, £2,500 more than this car. Dealer: Peoples Falkirk in Falkirk. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-541de31a27ef

• The nearest: 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, black, under a mile from this car. Mileage: 2,533 miles. Price: £22,299, £799 more than this car. Dealer: cinch in Ashford. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-24e684e82084