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: 6,922 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

The advertised mileage for this 2025 BYD Seal 6 Boost is 6,922 miles. Its asking price of £21,490 is £77 below the AskCar estimate of £21,567. To work out the AskCar estimate, we analyse UK dealer adverts for 197 BYD Seal 6 cars across different ages and specifications. Since we first spotted the advert 30 days ago, the asking price has dropped by £2,000. The seller is Lloyd Select Blackpool, based in Blackpool. 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: £77 (under 1%) under the AskCar estimate of £21,567.

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 30 days.

Price history

AskCar first saw this advert on 6 October 2026 at £23,490. Its asking price is now £21,490, £2,000 less. The latest price cut was seen on 24 October 2026.

Price changes recorded:

• 6 October 2026: £23,490
• 15 October 2026: £22,490
• 24 October 2026: £21,490

Mileage and MOT

Advertised mileage is about 1,100 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, black. Mileage: 7,168 miles. Price: £25,499, £4,009 more than this car. Dealer: Gates of Harlow in Harlow. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-68cd6db81b2f
• 2025 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, black. Mileage: 6,449 miles. Price: £21,498, the same price as this car. Dealer: Arnold Clark in Stourbridge. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-5119c0f354e4
• 2025 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, blue. Mileage: 6,352 miles. Price: £22,900, £1,410 more than this car. Dealer: John Clark BYD Inverness in Inverness. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-9a140d592bb2

• The nearest: 2025 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, white, 11 miles from this car. Mileage: 3,204 miles. Price: £21,998, £508 more than this car. Dealer: Arnold Clark Preston Motorstore / BYD in Preston. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-3546ab216922