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: 3,204 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: White
• CO2: 60 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2025 BYD Seal 6 Boost is advertised with 3,204 miles, approximately 2,900 below the typical mileage for its age. Priced at £21,998, it is advertised £149 below the AskCar estimate of £22,147. The AskCar estimate uses UK dealer asking prices, including 198 BYD Seal 6 adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 141 days ago. Its asking price has since fallen by £6,000. The seller is Arnold Clark Preston Motorstore / BYD, based in Preston. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £149 (under 1%) under the AskCar estimate of £22,147.

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 198 priced BYD Seal 6 adverts across different ages and specifications, as of 7 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 90 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2025 BYD Seal 6 has been on sale for at least 141 days.

Price history

AskCar first saw this advert on 19 June 2026 at £27,998. Its asking price is now £21,998, £6,000 less. The latest price cut was seen on 3 November 2026.

Price changes recorded:

• 19 June 2026: £27,998
• 16 July 2026: £26,498
• 3 August 2026: £25,998
• 29 August 2026: £25,498
• 18 September 2026: £24,298
• 29 September 2026: £23,998
• 2 October 2026: £23,298
• 6 October 2026: £22,998
• 13 October 2026: £22,498
• 3 November 2026: £21,998

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 2,900 miles lower than the median mileage of a 2025 BYD Seal 6 on AskCar.

Similar cars

45 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 7 November 2026.

The 3 closest to this car in mileage:

• 2025 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, black. Mileage: 3,132 miles. Price: £22,256, £258 more than this car. Dealer: Glyn Hopkin BYD Chelmsford in Chelmsford. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-2bc9b17162f5
• 2025 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, black. Mileage: 3,077 miles. Price: £21,442, £556 less than this car. Dealer: Glyn Hopkin BYD Colchester in Colchester. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-d42c636bc4a9
• 2025 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, blue. Mileage: 2,999 miles. Price: £21,157, £841 less than this car. Dealer: Drayton Motors Bolton in Bolton. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-dc332546623a

• The nearest: 2025 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, black, under a mile from this car. Mileage: 6,084 miles. Price: £21,998, the same price as this car. Dealer: Arnold Clark Preston Motorstore / BYD in Preston. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-b4712f5021f8