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: 3,500 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: Black
• CO2: 52 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 3,500 miles on the clock, this 2026 BYD Seal 6 Boost has done roughly 2,600 more miles than a typical 2026 BYD Seal 6. Priced at £23,490, it is advertised £481 above the AskCar estimate of £23,009. The AskCar estimate draws on 197 BYD Seal 6 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this advert 62 days ago, and its asking price has since fallen by £1,200. The seller is All Electric BYD Stourbridge, based in Stourbridge. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £481 (2%) over the AskCar estimate of £23,009.

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 5 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 5 November 2026.

Time on sale

This 2026 BYD Seal 6 has been on sale for at least 62 days.

Price history

AskCar first saw this advert on 4 September 2026 at £24,690. Its asking price is now £23,490, £1,200 less. The latest price cut was seen on 30 October 2026.

Price changes recorded:

• 4 September 2026: £24,690
• 30 October 2026: £23,490

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 2,600 miles higher 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 5 November 2026.

The 3 closest to this car in mileage:

• 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid saloon, black. Mileage: 3,020 miles. Price: £23,500, the same price as this car. Dealer: Lloyd AllRoad in Carlisle. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-e04dcbb2515d
• 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid saloon, gold. Mileage: 3,999 miles. Price: £24,952, £1,462 more than this car. Dealer: Drayton Motors Kia Boston in Boston. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-06624378e765
• 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid saloon, blue. Mileage: 2,678 miles. Price: £22,200, £1,290 less than this car. Dealer: Marshall BYD Northampton in Northampton. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-b58a2c3b0783

• The nearest: 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid saloon, blue, 7 miles from this car. Mileage: 10 miles. Price: £33,995, £10,505 more than this car. Dealer: Arnold Clark Oldbury Fiat / Motorstore / Jeep / Abarth / BYD in Oldbury. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-2ff81cd026b5