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: 5,500 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 is advertised with 5,500 miles, approximately 3,000 above the typical mileage for its age. The AskCar estimate for this car is £22,626. It is priced at £22,490, which is £136 below that estimate. The AskCar estimate uses 225 UK dealer adverts for the BYD Seal 6, with adjustments for age, mileage, trim, engine and other specifications. It first appeared in our advert records 1 day ago. The seller is Swansway Garages BYD Crewe, based in Crewe. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 12 November 2026.

How we estimate prices and check cars

Price

Fair price: £136 (under 1%) under the AskCar estimate of £22,626.

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 225 priced BYD Seal 6 adverts across different ages and specifications, as of 12 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 121 for sale on AskCar, as of 12 November 2026.

Time on sale

AskCar first saw this 2026 BYD Seal 6 advertised 1 day ago. About 2 in 10 of 2026 BYD Seal 6 cars are gone from sale within a month of being advertised: 13 of the 82 first advertised between 23 July 2026 and 9 October 2026.

Price history

AskCar first saw this advert on 11 November 2026 at £22,490. Its asking price has not changed.

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 3,000 miles higher than the median mileage of a 2026 BYD Seal 6 on AskCar.

Similar cars

69 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 12 November 2026.

The 3 closest to this car in mileage:

• 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, beige. Mileage: 5,486 miles. Price: £22,237, £253 less than this car. Dealer: LSH Auto BYD Tamworth in Tamworth. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-effaf69e7170
• 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, black. Mileage: 5,984 miles. Price: £23,257, £767 more than this car. Dealer: D. M. Keith in Bradford. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-835dc336de33
• 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, gold. Mileage: 5,000 miles. Price: £21,990, £500 less than this car. Dealer: Evans Halshaw BYD Birmingham in Birmingham. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-4a72cffdcb6f

• The nearest: 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, black, under a mile from this car. Mileage: 12,915 miles. Price: £19,990, £2,500 less than this car. Dealer: Swansway Garages BYD Crewe in Crewe. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-ddfedc9be635