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) 4dr (180 bhp)
• Year: 2026
• Mileage: 500 miles
• Fuel: Plug-in hybrid (petrol)
• Body: Saloon, 4 doors, 5 seats
• Engine: 1.5 litres, 180 bhp
• Gearbox: Automatic (CVT)
• Drive: Front-wheel drive
• Colour: Blue
• CO2: 52 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2026 BYD Seal 6 Boost is advertised with 500 miles on the clock. The AskCar estimate for this car is £24,838. It is priced at £22,990, which is £1,848 below that estimate. The AskCar estimate draws on 197 BYD Seal 6 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 95 days ago, the asking price has dropped by £3,000. The seller is Snows BYD Chichester, based in Chichester. 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: £1,848 (7%) under the AskCar estimate of £24,838.

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 95 days.

Price history

AskCar first saw this advert on 30 July 2026 at £25,990. Its asking price is now £22,990, £3,000 less. The latest price cut was seen on 29 September 2026.

Price changes recorded:

• 30 July 2026: £25,990
• 20 August 2026: £24,490
• 2 September 2026: £23,990
• 29 September 2026: £22,990

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 300 miles lower 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 2 November 2026.

The 3 closest to this car in mileage:

• 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid saloon, black. Mileage: 663 miles. Price: £22,500, £490 less than this car. Dealer: Marshall BYD Swindon in Swindon. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-d3f505217f0e
• 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid saloon, blue. Mileage: 730 miles. Price: £25,875, £2,885 more than this car. Dealer: BYD Alan Day New Southgate in New Southgate. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-ed5ef124764b
• 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid saloon, black. Mileage: 250 miles. Price: £24,490, £1,500 more than this car. Dealer: Sinclair Volkswagen (Swansea) in Swansea. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-e0fb3603a842

• The nearest: 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid saloon, black, 31 miles from this car. Mileage: 6,000 miles. Price: £21,990, £1,000 less than this car. Dealer: Snows BYD Southampton in Southampton. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-430a229c407e