2025 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: 2025
• Mileage: 9,999 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 2025 BYD Seal 6 Boost has covered 9,999 miles, around 4,200 more miles than is typical for its age. Its asking price of £24,495 is £2,956 above the AskCar estimate of £21,539. The AskCar estimate draws on 197 BYD Seal 6 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this advert 126 days ago, and its asking price has since fallen by £1,500. The seller is Pentagon Warrington, based in Warrington. 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

Above the going rate: £2,956 (13%) over the AskCar estimate of £21,539.

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 126 days.

Price history

AskCar first saw this advert on 2 July 2026 at £25,995. Its asking price is now £24,495, £1,500 less. The latest price cut was seen on 10 September 2026.

Price changes recorded:

• 2 July 2026: £25,995
• 30 July 2026: £25,495
• 10 September 2026: £24,495

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 4,200 miles higher 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, blue. Mileage: 9,999 miles. Price: £19,595, £4,900 less than this car. Dealer: Pentagon BYD Nottingham in Nottingham. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-dca2b79b3803
• 2025 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, black. Mileage: 9,999 miles. Price: £24,990, £495 more than this car. Dealer: Pentagon Lincoln Used Car Centre in Lincoln. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-8a25416ff88f
• 2025 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, gold. Mileage: 10,273 miles. Price: £20,000, £4,495 less than this car. Dealer: Evans Halshaw BYD Mansfield in Mansfield. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-bdddc4c6b9cf

• The nearest: 2025 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, blue, 9 miles from this car. Mileage: 7,999 miles. Price: £22,153, £2,342 less than this car. Dealer: Peoples Liverpool Prescot in Prescot. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-b33016bbe2a5