2026 BYD Seal 6 1.5 Boost

Overview

• Make: BYD
• Model: Seal 6
• Trim: Boost
• Version: 1.5 10kWh Boost CVT FWD Euro 6 (s/s) 5dr (180 bhp)
• Year: 2026
• Mileage: 2,541 miles
• Fuel: Plug-in hybrid (petrol)
• Body: Estate, 5 doors, 5 seats
• Engine: 1.5 litres, 180 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 has covered 2,541 miles. The dealer is asking £23,000, which is £187 below the AskCar estimate of £23,187. To work out the AskCar estimate, we analyse UK dealer adverts for 197 BYD Seal 6 cars across different ages and specifications. We first saw this car advertised 130 days ago. Its asking price has since fallen by £8,500. The seller is John Clark BYD Dundee, based in Dundee. 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

Fair price: £187 (under 1%) under the AskCar estimate of £23,187.

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 130 days.

Price history

AskCar first saw this advert on 25 June 2026 at £31,500. Its asking price is now £23,000, £8,500 less. The latest price cut was seen on 24 October 2026.

Price changes recorded:

• 25 June 2026: £31,500
• 2 July 2026: £28,000
• 11 July 2026: £27,000
• 8 August 2026: £27,500
• 9 September 2026: £25,000
• 25 September 2026: £24,800
• 8 October 2026: £24,000
• 14 October 2026: £23,500
• 24 October 2026: £23,000

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 1,700 miles higher 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, black. Mileage: 2,533 miles. Price: £22,299, £701 less than this car. Dealer: cinch in Ashford. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-24e684e82084
• 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, white. Mileage: 2,500 miles. Price: £23,990, £990 more than this car. Dealer: Swansway Garages BYD Crewe in Crewe. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-2ccdee77b900
• 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, black. Mileage: 2,855 miles. Price: £24,605, £1,605 more than this car. Dealer: Lookers BYD Middlesbrough in Middlesbrough. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-d3f5d9b2836f

• The nearest: 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, gold, 43 miles from this car. Mileage: 12 miles. Price: £24,000, £1,000 more than this car. Dealer: Peoples Falkirk in Falkirk. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-541de31a27ef