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: 2,462 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

At 2,462 miles, this 2025 BYD Seal 6 Boost has covered about 3,800 fewer miles than other 2025 BYD Seal 6 cars. Its asking price of £21,295 is £955 below the AskCar estimate of £22,250. The AskCar estimate draws on 199 BYD Seal 6 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 23 days ago. Its asking price has since fallen by £1,110. The seller is Vertu BYD Gloucester, based in Gloucester. 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: £955 (4%) under the AskCar estimate of £22,250.

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 23 days.

Price history

AskCar first saw this advert on 14 October 2026 at £22,405. Its asking price is now £21,295, £1,110 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

• 14 October 2026: £22,405
• 23 October 2026: £21,899
• 28 October 2026: £21,295

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 3,800 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, blue. Mileage: 2,546 miles. Price: £22,990, £1,695 more than this car. Dealer: Evans Halshaw BYD Chesterfield in Chesterfield. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-9f5dcf6ad793
• 2025 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, blue. Mileage: 2,637 miles. Price: £22,498, £1,203 more than this car. Dealer: Arnold Clark Rutherglen Volkswagen / BYD in Rutherglen. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-afc07eabeae0
• 2025 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, blue. Mileage: 2,715 miles. Price: £22,495, £1,200 more than this car. Dealer: EMG Motor Group Spalding BYD in Spalding. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-e7eb5f5f6ecc

• The nearest: 2025 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, black, 26 miles from this car. Mileage: 8,347 miles. Price: £21,009, £286 less than this car. Dealer: Vertu BYD Worcester in Worcester. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-6c094745b21b