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: Black
• CO2: 60 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 9,999 miles, this 2025 BYD Seal 6 Boost has covered about 4,000 more miles than other 2025 BYD Seal 6 cars. The dealer is asking £25,995, which is £4,191 above the AskCar estimate of £21,804. To work out the AskCar estimate, we analyse UK dealer adverts for 200 BYD Seal 6 cars across different ages and specifications. We first recorded this advert 160 days ago, and its asking price has since fallen by £3,999. The seller is Pentagon Lincoln Used Car Centre, based in Lincoln. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Above the going rate: £4,191 (19%) over the AskCar estimate of £21,804.

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 200 priced BYD Seal 6 adverts across different ages and specifications, as of 4 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 4 November 2026.

Time on sale

This 2025 BYD Seal 6 has been on sale for at least 160 days.

Price history

AskCar first saw this advert on 28 May 2026 at £29,994. Its asking price is now £25,995, £3,999 less. The latest price cut was seen on 10 September 2026.

Price changes recorded:

• 28 May 2026: £29,994
• 29 June 2026: £28,495
• 11 July 2026: £27,994
• 10 September 2026: £25,995

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 4,000 miles higher than the median mileage of a 2025 BYD Seal 6 on AskCar.

Similar cars

47 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 4 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, £6,400 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, blue. Mileage: 9,999 miles. Price: £24,495, £1,500 less than this car. Dealer: Pentagon Warrington in Warrington. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-794ba2c80960
• 2025 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, gold. Mileage: 10,273 miles. Price: £20,400, £5,595 less than this car. Dealer: Evans Halshaw BYD Mansfield in Mansfield. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-bdddc4c6b9cf