2025 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: 2025
• Mileage: 3,579 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: Blue
• CO2: 60 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2025 BYD Seal 6 Boost is advertised with 3,579 miles, approximately 2,200 below the typical mileage for its age. Priced at £21,955, it is advertised £176 below the AskCar estimate of £22,131. The AskCar estimate uses UK dealer asking prices, including 197 BYD Seal 6 adverts, and accounts for the car’s age, mileage and specification. We first recorded this advert 161 days ago, and its asking price has since fallen by £4,035. It is for sale at D. M. Keith in Doncaster. 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: £176 (under 1%) under the AskCar estimate of £22,131.

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 2025 BYD Seal 6 with the 1.5 plug-in hybrid engine is typically advertised at £22,200: the median of the 91 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2025 BYD Seal 6 has been on sale for at least 161 days.

Price history

AskCar first saw this advert on 28 May 2026 at £25,990. Its asking price is now £21,955, £4,035 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

• 28 May 2026: £25,990
• 28 July 2026: £24,995
• 21 August 2026: £23,886
• 25 September 2026: £22,990
• 7 October 2026: £22,490
• 1 November 2026: £22,007
• 4 November 2026: £21,955

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 2,200 miles lower than the median mileage of a 2025 BYD Seal 6 on AskCar.

Similar cars

48 other 2025 BYD Seal 6 Boost 1.5 plug-in hybrid automatic estates are for sale at UK dealers, from £19,595 to £34,695, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2025 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, black. Mileage: 3,500 miles. Price: £23,481, £1,526 more than this car. Dealer: Sandicliffe BYD Loughborough in Loughborough. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-801b601c3786
• 2025 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, gold. Mileage: 3,738 miles. Price: £20,998, £957 less than this car. Dealer: Arnold Clark Newcastle BYD in Newcastle upon Tyne. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-2c2506fca294
• 2025 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, black. Mileage: 3,784 miles. Price: £22,395, £440 more than this car. Dealer: Busseys BYD Norwich in Norwich. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-6181d5ad43da