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 4dr e (181 bhp)
• Year: 2025
• Mileage: 1,029 miles
• Fuel: Plug-in hybrid (petrol)
• Body: Saloon, 4 doors, 5 seats
• Engine: 1.5 litres, 181 bhp
• Gearbox: Automatic (CVT)
• Drive: Front-wheel drive
• Colour: Gold
• CO2: 52 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2025 BYD Seal 6 Boost is advertised with 1,029 miles, approximately 5,000 below the typical mileage for its age. Priced at £20,980, it is advertised £2,767 below the AskCar estimate of £23,747. To work out the AskCar estimate, we analyse UK dealer adverts for 200 BYD Seal 6 cars across different ages and specifications. The asking price is now £500 lower than when we first recorded the advert 31 days ago. You can find this car at 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 4 November 2026.

How we estimate prices and check cars

Price

Good value: £2,767 (11%) under the AskCar estimate of £23,747.

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 31 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 5,000 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 £21,349 to £32,995, as of 4 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: £21,349, £369 more than this car. Dealer: LSH Auto BYD Tamworth in Tamworth. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-05f15af92990