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: 52 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: White
• CO2: 60 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 52 miles on the clock, this 2026 BYD Seal 6 Boost has done roughly 2,400 fewer miles than a typical 2026 BYD Seal 6. The dealer is asking £23,995, which is £922 below the AskCar estimate of £24,917. To work out the AskCar estimate, we analyse UK dealer adverts for 219 BYD Seal 6 cars across different ages and specifications. We first saw this car advertised 98 days ago. Its asking price has since fallen by £3,500. The seller is Hartwell Watford, based in Watford. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 11 November 2026.

How we estimate prices and check cars

Price

Fair price: £922 (3%) under the AskCar estimate of £24,917.

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 219 priced BYD Seal 6 adverts across different ages and specifications, as of 11 November 2026.

A 2026 BYD Seal 6 with the 1.5 plug-in hybrid engine is typically advertised at £23,500: the median of the 120 for sale on AskCar, as of 11 November 2026.

Time on sale

This 2026 BYD Seal 6 has been on sale for at least 98 days.

Price history

AskCar first saw this advert on 5 August 2026 at £27,495. Its asking price is now £23,995, £3,500 less. The latest price cut was seen on 29 October 2026.

Price changes recorded:

• 5 August 2026: £27,495
• 15 September 2026: £24,995
• 29 October 2026: £23,995

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 2,400 miles lower than the median mileage of a 2026 BYD Seal 6 on AskCar.

Similar cars

68 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 11 November 2026.

The 3 closest to this car in mileage:

• 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, blue. Mileage: 39 miles. Price: £24,367, £372 more than this car. Dealer: D. M. Keith in Grimsby. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-8be3a203feca
• 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, black. Mileage: 25 miles. Price: £22,800, £1,195 less than this car. Dealer: Pentagon BYD Nottingham in Nottingham. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-a695d723df4e
• 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, black. Mileage: 25 miles. Price: £22,995, £1,000 less than this car. Dealer: Pentagon BYD Burton in Burton upon Trent. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-057d63bc8219

• The nearest: 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, black, 13 miles from this car. Mileage: 3,732 miles. Price: £25,308, £1,313 more than this car. Dealer: BYD Alan Day New Southgate in New Southgate. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-79be54488ce2