2025 BYD Seal 6 1.5 Boost

Overview

• Make: BYD
• Model: Seal 6
• Trim: Boost
• Version: 1.5 10kWh Boost CVT FWD Euro 6 (s/s) 4dr (180 bhp)
• Year: 2025
• Mileage: 1,029 miles
• Fuel: Plug-in hybrid (petrol)
• Body: Saloon, 4 doors, 5 seats
• Engine: 1.5 litres, 180 bhp
• Gearbox: Automatic (CVT)
• Drive: Front-wheel drive
• Colour: Gold
• CO2: 52 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 1,029 miles on the clock, this 2025 BYD Seal 6 Boost has done roughly 4,800 fewer miles than a typical 2025 BYD Seal 6. The AskCar estimate for this car is £23,129. It is priced at £20,980, which is £2,149 below that estimate. The AskCar estimate draws on 197 BYD Seal 6 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this advert 32 days ago, and its asking price has since fallen by £500. It is advertised by Swansway Garages BYD Stoke in Stoke-on-Trent. 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

Good value: £2,149 (9%) under the AskCar estimate of £23,129.

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 32 days.

Price history

AskCar first saw this advert on 4 October 2026 at £21,480. Its asking price is now £20,980, £500 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

• 4 October 2026: £21,480
• 28 October 2026: £20,980

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 4,800 miles lower than the median mileage of a 2025 BYD Seal 6 on AskCar.

Similar cars

7 other 2025 BYD Seal 6 Boost 1.5 plug-in hybrid automatic saloons are for sale at UK dealers, from £20,999 to £32,995, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2025 BYD Seal 6 Boost, 1.5 plug-in hybrid saloon, white. Mileage: 1,425 miles. Price: £23,390, £2,410 more than this car. Dealer: Sinclair Group in Bridgend. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-f228318e09f3
• 2025 BYD Seal 6 Boost, 1.5 plug-in hybrid saloon, blue. Mileage: 10 miles. Price: £32,995, £12,015 more than this car. Dealer: Arnold Clark Shiremoor Motorstore / MG / BYD / Vanstore in Shiremoor. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-4e1881369691
• 2025 BYD Seal 6 Boost, 1.5 plug-in hybrid saloon, blue. Mileage: 2,815 miles. Price: £21,840, £860 more than this car. Dealer: Evans Halshaw BYD Bury in Bury. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-cade26e4b3f8

• The nearest: 2025 BYD Seal 6 Boost, 1.5 plug-in hybrid saloon, black, 33 miles from this car. Mileage: 2,897 miles. Price: £20,999, the same price as this car. Dealer: LSH Auto BYD Tamworth in Tamworth. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-05f15af92990