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: 3,784 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 3,784 miles, this 2025 BYD Seal 6 Boost has covered about 2,400 fewer miles than other 2025 BYD Seal 6 cars. Its asking price of £22,395 is £308 above the AskCar estimate of £22,087. The AskCar estimate uses UK dealer asking prices, including 199 BYD Seal 6 adverts, and accounts for the car’s age, mileage and specification. We first recorded this advert 162 days ago, and its asking price has since fallen by £3,400. The seller is Busseys BYD Norwich, based in Norwich. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £308 (1%) over the AskCar estimate of £22,087.

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 199 priced BYD Seal 6 adverts across different ages and specifications, as of 6 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 93 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2025 BYD Seal 6 has been on sale for at least 162 days.

Price history

AskCar first saw this advert on 28 May 2026 at £25,795. Its asking price is now £22,395, £3,400 less. The latest price cut was seen on 10 October 2026.

Price changes recorded:

• 28 May 2026: £25,795
• 6 June 2026: £25,595
• 3 July 2026: £24,795
• 11 July 2026: £24,395
• 20 July 2026: £23,995
• 12 September 2026: £23,495
• 10 October 2026: £22,395

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 2,400 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 6 November 2026.

The 3 closest to this car in mileage:

• 2025 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, gold. Mileage: 3,738 miles. Price: £20,998, £1,397 less than this car. Dealer: Arnold Clark Newcastle BYD in Newcastle upon Tyne. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-2c2506fca294
• 2025 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, blue. Mileage: 3,579 miles. Price: £21,821, £574 less than this car. Dealer: D. M. Keith in Doncaster. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-e51d67705188
• 2025 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, black. Mileage: 3,500 miles. Price: £23,481, £1,086 more than this car. Dealer: Sandicliffe BYD Loughborough in Loughborough. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-801b601c3786

• The nearest: 2025 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, black, 52 miles from this car. Mileage: 3,077 miles. Price: £21,469, £926 less than this car. Dealer: Glyn Hopkin BYD Colchester in Colchester. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-d42c636bc4a9