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: 5,000 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 is advertised with 5,000 miles on the clock. Its asking price of £21,150 is £834 below the AskCar estimate of £21,984. The AskCar estimate uses 200 UK dealer adverts for the BYD Seal 6, with adjustments for age, mileage, trim, engine and other specifications. Since we first spotted the advert 160 days ago, the asking price has dropped by £4,350. The seller is Evans Halshaw BYD Wolverhampton, based in Wolverhampton. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £834 (3%) under the AskCar estimate of £21,984.

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 200 priced BYD Seal 6 adverts across different ages and specifications, as of 4 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 4 November 2026.

Time on sale

This 2025 BYD Seal 6 has been on sale for at least 160 days.

Price history

AskCar first saw this advert on 28 May 2026 at £25,500. Its asking price is now £21,150, £4,350 less. The latest price cut was seen on 29 October 2026.

Price changes recorded:

• 28 May 2026: £25,500
• 16 June 2026: £24,500
• 15 July 2026: £22,500
• 30 July 2026: £23,410
• 6 August 2026: £23,550
• 13 August 2026: £22,910
• 20 August 2026: £22,150
• 25 August 2026: £21,999
• 12 September 2026: £22,200
• 18 September 2026: £22,450
• 25 September 2026: £22,400
• 1 October 2026: £22,460
• 7 October 2026: £21,900
• 15 October 2026: £21,560
• 22 October 2026: £21,340
• 29 October 2026: £21,150

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 1,000 miles lower than the median mileage of a 2025 BYD Seal 6 on AskCar.

Similar cars

47 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 4 November 2026.

The 3 closest to this car in mileage:

• 2025 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, black. Mileage: 5,054 miles. Price: £21,495, £345 more than this car. Dealer: Pentagon BYD Burton in Burton upon Trent. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-5b575f291ae6
• 2025 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, black. Mileage: 5,112 miles. Price: £21,995, £845 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, £5,849 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, blue, 7 miles from this car. Mileage: 25 miles. Price: £22,998, £1,848 more than this car. Dealer: Arnold Clark Oldbury Fiat / Motorstore / Jeep / Abarth / BYD in Oldbury. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-d796a56f7dfe