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: 12,179 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: Black
• CO2: 60 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2025 BYD Seal 6 Boost has covered 12,179 miles, around 6,000 more miles than is typical for its age. The AskCar estimate for this car is £20,647. It is priced at £19,820, which is £827 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 199 BYD Seal 6 cars across different ages and specifications. We first recorded this advert 162 days ago, and its asking price has since fallen by £9,670. The seller is Evans Halshaw BYD Shrewsbury, based in Shrewsbury. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £827 (4%) under the AskCar estimate of £20,647.

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 199 priced BYD Seal 6 adverts across different ages and specifications, as of 6 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 93 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2025 BYD Seal 6 has been on sale for at least 162 days.

Price history

AskCar first saw this advert on 28 May 2026 at £29,490. Its asking price is now £19,820, £9,670 less. The latest price cut was seen on 5 November 2026.

Price changes recorded:

• 28 May 2026: £29,490
• 29 May 2026: £24,800
• 4 June 2026: £24,600
• 16 June 2026: £24,800
• 19 June 2026: £24,150
• 25 June 2026: £23,720
• 2 July 2026: £22,300
• 11 July 2026: £22,600
• 16 July 2026: £23,090
• 23 July 2026: £22,350
• 30 July 2026: £22,320
• 6 August 2026: £22,200
• 13 August 2026: £21,410
• 20 August 2026: £21,200
• 16 September 2026: £21,199
• 1 October 2026: £22,030
• 7 October 2026: £21,480
• 15 October 2026: £20,480
• 22 October 2026: £20,300
• 29 October 2026: £20,100
• 5 November 2026: £19,820

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 6,000 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 6 November 2026.

The 3 closest to this car in mileage:

• 2025 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, white. Mileage: 11,067 miles. Price: £20,890, £1,070 more than this car. Dealer: D. M. Keith BYD Hull in Kingston upon Hull. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-c96bcd38044f
• 2025 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, blue. Mileage: 10,665 miles. Price: £21,190, £1,370 more than this car. Dealer: Stoneacre in Grantham. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-f42885015a72
• 2025 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, blue. Mileage: 10,580 miles. Price: £21,490, £1,670 more than this car. Dealer: D. M. Keith in Bradford. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-e60a8aa77754

• The nearest: 2025 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, black, 29 miles from this car. Mileage: 5,000 miles. Price: £20,950, £1,130 more than this car. Dealer: Evans Halshaw BYD Wolverhampton in Wolverhampton. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-5567df1a26bc