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: 7,870 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: Blue
• CO2: 60 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 7,870 miles, this 2025 BYD Seal 6 Boost has covered about 2,100 more miles than other 2025 BYD Seal 6 cars. The AskCar estimate for this car is £21,364. It is priced at £20,480, which is £884 below that estimate. The AskCar estimate uses UK dealer asking prices, including 197 BYD Seal 6 adverts, and accounts for the car’s age, mileage and specification. We first saw this car advertised 161 days ago. Its asking price has since fallen by £4,740. It is advertised by Evans Halshaw BYD Birmingham in Erdington. 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: £884 (4%) under the AskCar estimate of £21,364.

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 £25,220. Its asking price is now £20,480, £4,740 less. The latest price cut was seen on 5 November 2026.

Price changes recorded:

• 28 May 2026: £25,220
• 29 May 2026: £24,800
• 4 June 2026: £24,750
• 16 June 2026: £24,990
• 19 June 2026: £24,795
• 25 June 2026: £23,800
• 2 July 2026: £23,600
• 11 July 2026: £23,290
• 16 July 2026: £23,030
• 23 July 2026: £22,820
• 30 July 2026: £22,830
• 6 August 2026: £22,900
• 10 August 2026: £21,790
• 13 August 2026: £21,380
• 18 August 2026: £21,350
• 25 August 2026: £21,100
• 12 September 2026: £21,995
• 1 October 2026: £22,010
• 7 October 2026: £21,400
• 15 October 2026: £21,120
• 22 October 2026: £20,920
• 29 October 2026: £20,700
• 5 November 2026: £20,480

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 2,100 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, blue. Mileage: 7,999 miles. Price: £22,153, £1,673 more than this car. Dealer: Peoples Liverpool Prescot in Prescot. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-b33016bbe2a5
• 2025 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, gold. Mileage: 8,000 miles. Price: £21,899, £1,419 more than this car. Dealer: Evans Halshaw BYD Bury in Bury. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-7789747fcc33
• 2025 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, black. Mileage: 8,000 miles. Price: £23,000, £2,520 more than this car. Dealer: Marshall BYD St Neots in St Neots. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-89f820360fe7

• The nearest: 2025 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, blue, 8 miles from this car. Mileage: 25 miles. Price: £22,998, £2,518 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