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: 8,250 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 8,250 miles, around 2,400 more miles than is typical for its age. The AskCar estimate for this car is £21,283. It is priced at £22,249, which is £966 above that estimate. The AskCar estimate uses 197 UK dealer adverts for the BYD Seal 6, with adjustments for age, mileage, trim, engine and other specifications. Since we first spotted the advert 161 days ago, the asking price has dropped by £4,350. The seller is Charles Hurst BYD Belfast, based in Belfast. 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: £966 (4%) over the AskCar estimate of £21,283.

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 £26,599. Its asking price is now £22,249, £4,350 less. The latest price cut was seen on 16 October 2026.

Price changes recorded:

• 28 May 2026: £26,599
• 8 June 2026: £26,499
• 22 June 2026: £26,199
• 6 July 2026: £25,438
• 21 July 2026: £24,998
• 1 August 2026: £24,742
• 19 August 2026: £24,325
• 26 August 2026: £23,999
• 2 September 2026: £23,632
• 15 September 2026: £23,375
• 30 September 2026: £22,999
• 6 October 2026: £22,749
• 13 October 2026: £22,695
• 16 October 2026: £22,249

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 2,400 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, black. Mileage: 8,200 miles. Price: £21,886, £363 less than this car. Dealer: Lookers BYD Sheffield in Sheffield. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-5aa56dc35c20
• 2025 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, black. Mileage: 8,347 miles. Price: £21,009, £1,240 less than this car. Dealer: Vertu BYD Worcester in Worcester. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-6c094745b21b
• 2025 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, black. Mileage: 8,479 miles. Price: £20,994, £1,255 less than this car. Dealer: Perrys Broadstairs BYD in Broadstairs. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-537edcf0ec5f

• The nearest: 2025 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, blue, 83 miles from this car. Mileage: 4,297 miles. Price: £21,498, £751 less than this car. Dealer: Arnold Clark Ayr BYD in Prestwick. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-f5a1adb06043