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: 8,704 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

At 8,704 miles, this 2025 BYD Seal 6 Boost has covered about 2,900 more miles than other 2025 BYD Seal 6 cars. Its asking price of £21,800 is £20 below the AskCar estimate of £21,820. The AskCar estimate uses 197 UK dealer adverts for the BYD Seal 6, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 91 days ago. Its asking price has since fallen by £2,000. The seller is Lmc Cars, based in Upminster. 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

Fair price: £20 (under 1%) under the AskCar estimate of £21,820.

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 91 days.

Price history

AskCar first saw this advert on 6 August 2026 at £23,800. Its asking price is now £21,800, £2,000 less. The latest price cut was seen on 3 November 2026.

Price changes recorded:

• 6 August 2026: £23,800
• 12 September 2026: £23,500
• 22 September 2026: £23,000
• 9 October 2026: £22,500
• 3 November 2026: £21,800

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 2,900 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, white. Mileage: 8,880 miles. Price: £22,790, £990 more than this car. Dealer: D. M. Keith in Grimsby. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-d1378f39db79
• 2025 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, black. Mileage: 8,479 miles. Price: £20,994, £806 less than this car. Dealer: Perrys Broadstairs BYD in Broadstairs. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-537edcf0ec5f
• 2025 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, black. Mileage: 8,347 miles. Price: £21,009, £791 less than this car. Dealer: Vertu BYD Worcester in Worcester. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-6c094745b21b

• The nearest: 2025 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, black, 15 miles from this car. Mileage: 3,132 miles. Price: £22,697, £897 more than this car. Dealer: Glyn Hopkin BYD Chelmsford in Chelmsford. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-2bc9b17162f5