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: 5,112 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 is advertised with 5,112 miles on the clock. Priced at £21,995, it is advertised £34 above the AskCar estimate of £21,961. To work out the AskCar estimate, we analyse UK dealer adverts for 197 BYD Seal 6 cars across different ages and specifications. We first recorded this advert 135 days ago, and its asking price has since fallen by £3,500. The seller is Marshall BYD Peterborough, based in Peterborough. 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: £34 (under 1%) over the AskCar estimate of £21,961.

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 135 days.

Price history

AskCar first saw this advert on 23 June 2026 at £25,495. Its asking price is now £21,995, £3,500 less. The latest price cut was seen on 14 October 2026.

Price changes recorded:

• 23 June 2026: £25,495
• 30 June 2026: £25,243
• 10 July 2026: £23,995
• 29 July 2026: £24,182
• 12 September 2026: £23,995
• 19 September 2026: £23,895
• 9 October 2026: £23,395
• 14 October 2026: £21,995

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 700 miles lower 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, black. Mileage: 5,054 miles. Price: £21,495, £500 less than this car. Dealer: Pentagon BYD Burton in Burton upon Trent. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-5b575f291ae6
• 2025 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, black. Mileage: 5,000 miles. Price: £20,950, £1,045 less than this car. Dealer: Evans Halshaw BYD Wolverhampton in Wolverhampton. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-5567df1a26bc
• 2025 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, blue. Mileage: 5,227 miles. Price: £26,999, £5,004 more than this car. Dealer: Gates Of Stevenage in Stevenage. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-0e151d3455b7

• The nearest: 2025 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, blue, 17 miles from this car. Mileage: 2,715 miles. Price: £22,495, £500 more than this car. Dealer: EMG Motor Group Spalding BYD in Spalding. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-e7eb5f5f6ecc