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: 5,054 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 is advertised with 5,054 miles on the clock. Its asking price of £21,495 is £1,135 below the AskCar estimate of £22,630. 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 161 days ago. Its asking price has since fallen by £4,004. You can find this car at Pentagon BYD Burton in Burton-on-Trent. 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: £1,135 (5%) under the AskCar estimate of £22,630.

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 161 days.

Price history

AskCar first saw this advert on 28 May 2026 at £25,499. Its asking price is now £21,495, £4,004 less. The latest price cut was seen on 20 August 2026.

Price changes recorded:

• 28 May 2026: £25,499
• 6 June 2026: £24,995
• 20 August 2026: £20,895
• 16 October 2026: £21,495

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 800 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: 5,000 miles. Price: £20,950, £545 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, black. Mileage: 5,112 miles. Price: £21,995, £500 more than this car. Dealer: Marshall BYD Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-8428a32c7e42
• 2025 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, blue. Mileage: 5,227 miles. Price: £26,999, £5,504 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, black, 17 miles from this car. Mileage: 3,500 miles. Price: £23,481, £1,986 more than this car. Dealer: Sandicliffe BYD Loughborough in Loughborough. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-801b601c3786