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: 4,297 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

The advertised mileage for this 2025 BYD Seal 6 Boost is 4,297 miles. Its asking price of £21,498 is £521 below the AskCar estimate of £22,019. To work out the AskCar estimate, we analyse UK dealer adverts for 198 BYD Seal 6 cars across different ages and specifications. We first recorded this advert 131 days ago, and its asking price has since fallen by £6,000. The seller is Arnold Clark Ayr BYD, based in AYR. 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: £521 (2%) under the AskCar estimate of £22,019.

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 131 days.

Price history

AskCar first saw this advert on 29 June 2026 at £27,498. Its asking price is now £21,498, £6,000 less. The latest price cut was seen on 20 October 2026.

Price changes recorded:

• 29 June 2026: £27,498
• 7 July 2026: £26,498
• 17 July 2026: £25,998
• 5 August 2026: £24,998
• 2 September 2026: £23,998
• 16 September 2026: £22,998
• 2 October 2026: £21,998
• 20 October 2026: £21,498

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 1,800 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: 3,784 miles. Price: £22,395, £897 more than this car. Dealer: Busseys BYD Norwich in Norwich. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-6181d5ad43da
• 2025 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, gold. Mileage: 3,738 miles. Price: £20,998, £500 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: 5,000 miles. Price: £20,950, £548 less than this car. Dealer: Evans Halshaw BYD Wolverhampton in Wolverhampton. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-5567df1a26bc

• The nearest: 2025 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, blue, 29 miles from this car. Mileage: 2,637 miles. Price: £22,498, £1,000 more than this car. Dealer: Arnold Clark Rutherglen Volkswagen / BYD in Rutherglen. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-afc07eabeae0