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: 3,132 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

At 3,132 miles, this 2025 BYD Seal 6 Boost has covered about 2,700 fewer miles than other 2025 BYD Seal 6 cars. Its asking price of £22,697 is £520 above the AskCar estimate of £22,177. 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 recorded this advert 161 days ago, and its asking price has since fallen by £4,570. The seller is Glyn Hopkin BYD Chelmsford, based in Chelmsford. 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: £520 (2%) over the AskCar estimate of £22,177.

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 £27,267. Its asking price is now £22,697, £4,570 less. The latest price cut was seen on 3 November 2026.

Price changes recorded:

• 28 May 2026: £27,267
• 29 May 2026: £27,057
• 3 June 2026: £26,945
• 5 June 2026: £26,899
• 8 June 2026: £26,765
• 16 June 2026: £26,500
• 19 June 2026: £26,250
• 25 June 2026: £26,000
• 29 June 2026: £25,950
• 3 July 2026: £25,925
• 6 July 2026: £25,725
• 16 July 2026: £25,500
• 21 July 2026: £24,550
• 25 July 2026: £24,456
• 28 July 2026: £24,998
• 31 July 2026: £24,967
• 29 August 2026: £23,629
• 10 September 2026: £23,422
• 12 September 2026: £23,361
• 19 September 2026: £23,199
• 26 September 2026: £23,000
• 30 September 2026: £22,988
• 3 October 2026: £22,716
• 3 November 2026: £22,270
• 4 November 2026: £22,697

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 2,700 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: 3,077 miles. Price: £21,469, £1,228 less than this car. Dealer: Glyn Hopkin BYD Colchester in Colchester. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-d42c636bc4a9
• 2025 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, white. Mileage: 3,204 miles. Price: £21,998, £699 less than this car. Dealer: Arnold Clark Preston Motorstore / BYD in Preston. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-3546ab216922
• 2025 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, blue. Mileage: 2,999 miles. Price: £22,180, £517 less than this car. Dealer: Drayton Motors Bolton in Bolton. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-dc332546623a

• The nearest: 2025 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, black, 14 miles from this car. Mileage: 7,168 miles. Price: £25,499, £2,802 more than this car. Dealer: Gates of Harlow in Harlow. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-68cd6db81b2f