2026 BYD Seal 6 1.5 Boost

Overview

• Make: BYD
• Model: Seal 6
• Trim: Boost
• Version: 1.5 DM-i Boost CVT FWD Euro 6 5dr e (181 bhp)
• Year: 2026
• Mileage: 2,855 miles
• Fuel: Plug-in hybrid (petrol)
• Body: Estate, 5 doors, 5 seats
• Engine: 1.5 litres, 181 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 2,855 miles, around 2,100 more miles than is typical for its age. Priced at £24,605, it is advertised £1,896 above the AskCar estimate of £22,709. The AskCar estimate uses 197 UK dealer adverts for the BYD Seal 6, with adjustments for age, mileage, trim, engine and other specifications. Since we first spotted the advert 158 days ago, the asking price has dropped by £5,394. The seller is Lookers BYD Middlesbrough, based in Middlesbrough. 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

Above the going rate: £1,896 (8%) over the AskCar estimate of £22,709.

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 158 days.

Price history

AskCar first saw this advert on 28 May 2026 at £29,999. Its asking price is now £24,605, £5,394 less. The latest price cut was seen on 23 September 2026.

Price changes recorded:

• 28 May 2026: £29,999
• 21 June 2026: £26,999
• 10 July 2026: £27,279
• 17 July 2026: £26,999
• 24 July 2026: £26,194
• 11 August 2026: £25,663
• 17 September 2026: £24,858
• 23 September 2026: £24,605

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 2,100 miles higher than the median mileage of a 2026 BYD Seal 6 on AskCar.

Similar cars

60 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 2 November 2026.

The 3 closest to this car in mileage:

• 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, blue. Mileage: 2,946 miles. Price: £23,495, £1,110 less than this car. Dealer: Marshall BYD Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-288f2a38f174
• 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, black. Mileage: 2,999 miles. Price: £23,799, £806 less than this car. Dealer: D. M. Keith in Leeds. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-0f1488d512e9
• 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, black. Mileage: 3,000 miles. Price: £23,490, £1,115 less than this car. Dealer: D. M. Keith in Bradford. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-afed85aaf7fa

• The nearest: 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, blue, 20 miles from this car. Mileage: 100 miles. Price: £24,999, £394 more than this car. Dealer: SG Petch Durham in Durham. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-17cf7494d65e