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: 10,273 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: Gold
• CO2: 60 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 10,273 miles on the clock, this 2025 BYD Seal 6 Boost has done roughly 4,300 more miles than a typical 2025 BYD Seal 6. The dealer is asking £20,400, which is £449 below the AskCar estimate of £20,849. 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 158 days ago, and its asking price has since fallen by £4,380. The seller is Evans Halshaw BYD Mansfield, based in Mansfield. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £449 (2%) under the AskCar estimate of £20,849.

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 2 November 2026.

A 2025 BYD Seal 6 with the 1.5 plug-in hybrid engine is typically advertised at £22,300: the median of the 94 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2025 BYD Seal 6 has been on sale for at least 158 days.

Price history

AskCar first saw this advert on 28 May 2026 at £24,780. Its asking price is now £20,400, £4,380 less. The latest price cut was seen on 29 October 2026.

Price changes recorded:

• 28 May 2026: £24,780
• 29 May 2026: £24,400
• 4 June 2026: £24,200
• 16 June 2026: £24,500
• 19 June 2026: £24,400
• 25 June 2026: £23,400
• 2 July 2026: £23,200
• 11 July 2026: £22,840
• 16 July 2026: £22,560
• 23 July 2026: £22,360
• 30 July 2026: £22,370
• 6 August 2026: £22,380
• 13 August 2026: £21,860
• 20 August 2026: £21,500
• 28 August 2026: £21,400
• 12 September 2026: £20,995
• 18 September 2026: £20,520
• 25 September 2026: £20,400
• 1 October 2026: £20,860
• 7 October 2026: £20,750
• 15 October 2026: £19,960
• 22 October 2026: £20,570
• 29 October 2026: £20,400

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 4,300 miles higher than the median mileage of a 2025 BYD Seal 6 on AskCar.

Similar cars

45 other 2025 BYD Seal 6 Boost 1.5 plug-in hybrid automatic estates are for sale at UK dealers, from £19,900 to £34,695, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2025 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, blue. Mileage: 9,999 miles. Price: £19,995, £405 less than this car. Dealer: Pentagon BYD Nottingham in Nottingham. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-dca2b79b3803
• 2025 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, blue. Mileage: 9,999 miles. Price: £24,495, £4,095 more than this car. Dealer: Pentagon Warrington in Warrington. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-794ba2c80960
• 2025 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, black. Mileage: 9,999 miles. Price: £25,995, £5,595 more than this car. Dealer: Pentagon Lincoln Used Car Centre in Lincoln. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-8a25416ff88f