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: 250 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: Black
• CO2: 60 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2026 BYD Seal 6 Boost has covered 250 miles. Priced at £24,990, it is advertised £92 above the AskCar estimate of £24,898. 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 93 days ago, the asking price has dropped by £1,000. The seller is Sinclair Volkswagen (Swansea), based in Swansea. 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: £92 (under 1%) over the AskCar estimate of £24,898.

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 93 days.

Price history

AskCar first saw this advert on 4 August 2026 at £25,990. Its asking price is now £24,990, £1,000 less. The latest price cut was seen on 21 October 2026.

Price changes recorded:

• 5 August 2026: £25,990
• 21 October 2026: £24,990

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 700 miles lower than the median mileage of a 2026 BYD Seal 6 on AskCar.

Similar cars

62 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 5 November 2026.

The 3 closest to this car in mileage:

• 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, blue. Mileage: 105 miles. Price: £24,995, the same price as this car. Dealer: EMC Eastbourne BYD in Eastbourne. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-7c6de5daced5
• 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, gold. Mileage: 100 miles. Price: £22,510, £2,480 less than this car. Dealer: Evans Halshaw BYD Birmingham in Birmingham. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-4a72cffdcb6f
• 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, blue. Mileage: 100 miles. Price: £24,999, the same price as this car. Dealer: SG Petch Durham in Durham. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-17cf7494d65e

• The nearest: 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, black, 34 miles from this car. Mileage: 8,091 miles. Price: £22,490, £2,500 less than this car. Dealer: Sinclair Group Mercedes-Benz Of Cardiff & Newport in Cardiff. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-ae492a48b123