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: 11,067 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: White
• CO2: 60 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2025 BYD Seal 6 Boost has covered 11,067 miles, around 5,300 more miles than is typical for its age. The AskCar estimate for this car is £20,792. It is priced at £20,890, which is £98 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. We first saw this car advertised 120 days ago. Its asking price has since fallen by £2,980. The seller is D. M. Keith BYD Hull, based in Hull. 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: £98 (under 1%) over the AskCar estimate of £20,792.

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 120 days.

Price history

AskCar first saw this advert on 8 July 2026 at £23,870. Its asking price is now £20,890, £2,980 less. The latest price cut was seen on 30 October 2026.

Price changes recorded:

• 8 July 2026: £23,870
• 4 August 2026: £23,290
• 18 September 2026: £22,136
• 22 October 2026: £21,040
• 30 October 2026: £20,890

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 5,300 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: 10,665 miles. Price: £21,190, £300 more than this car. Dealer: Stoneacre in Grantham. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-f42885015a72
• 2025 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, blue. Mileage: 10,580 miles. Price: £21,490, £600 more than this car. Dealer: D. M. Keith in Bradford. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-e60a8aa77754
• 2025 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, blue. Mileage: 10,393 miles. Price: £20,495, £395 less than this car. Dealer: Stoneacre in Wigan. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-f491e030866e

• The nearest: 2025 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, black, 41 miles from this car. Mileage: 9,999 miles. Price: £24,990, £4,100 more than this car. Dealer: Pentagon Lincoln Used Car Centre in Lincoln. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-8a25416ff88f