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: 12,276 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: Blue
• CO2: 60 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2026 BYD Seal 6 Boost is advertised with 12,276 miles, approximately 11,400 above the typical mileage for its age. The AskCar estimate for this car is £21,170. It is priced at £20,700, which is £470 below that estimate. 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 8 days ago, the asking price has dropped by £500. The seller is Marshall BYD Peterborough, based in Peterborough. 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: £470 (2%) under the AskCar estimate of £21,170.

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 8 days.

Price history

AskCar first saw this advert on 29 October 2026 at £21,200. Its asking price is now £20,700, £500 less. The latest price cut was seen on 31 October 2026.

Price changes recorded:

• 29 October 2026: £21,200
• 31 October 2026: £20,700

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 11,400 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: 11,670 miles. Price: £20,990, £290 more than this car. Dealer: All Electric BYD Birmingham South in Birmingham. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-8681392da391
• 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, black. Mileage: 12,915 miles. Price: £19,990, £710 less than this car. Dealer: Swansway Garages BYD Crewe in Crewe. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-ddfedc9be635
• 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, white. Mileage: 11,111 miles. Price: £22,026, £1,326 more than this car. Dealer: LSH Auto BYD Manchester in Stockport. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-f67dd6776886

• The nearest: 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, blue, under a mile from this car. Mileage: 2,946 miles. Price: £23,495, £2,795 more than this car. Dealer: Marshall BYD Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-288f2a38f174