2025 BYD Seal 6 1.5 Boost

Overview

• Make: BYD
• Model: Seal 6
• Trim: Boost
• Version: 1.5 Boost CVT FWD Euro 6 5dr (180 bhp)
• Year: 2025
• Mileage: 7,168 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

This 2025 BYD Seal 6 Boost has covered 7,168 miles. Its asking price of £25,499 is £2,357 above the AskCar estimate of £23,142. 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 saw this car advertised 141 days ago. Its asking price has since fallen by £2,000. The seller is Gates of Harlow, based in Harlow. 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: £2,357 (10%) over the AskCar estimate of £23,142.

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 141 days.

Price history

AskCar first saw this advert on 17 June 2026 at £27,499. Its asking price is now £25,499, £2,000 less. The latest price cut was seen on 25 September 2026.

Price changes recorded:

• 17 June 2026: £27,499
• 17 July 2026: £26,999
• 31 July 2026: £26,799
• 28 August 2026: £25,999
• 25 September 2026: £25,499

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 1,400 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: 6,922 miles. Price: £21,490, £4,009 less than this car. Dealer: Lloyd Select Blackpool in Blackpool. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-cb78a804b2bd
• 2025 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, blue. Mileage: 7,870 miles. Price: £20,480, £5,019 less than this car. Dealer: Evans Halshaw BYD Birmingham in Birmingham. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-55ac1251ffc5
• 2025 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, black. Mileage: 6,449 miles. Price: £21,498, £4,001 less than this car. Dealer: Arnold Clark in Stourbridge. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-5119c0f354e4

• The nearest: 2025 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, black, 14 miles from this car. Mileage: 3,132 miles. Price: £22,697, £2,802 less than this car. Dealer: Glyn Hopkin BYD Chelmsford in Chelmsford. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-2bc9b17162f5