2025 BYD Seal 6 1.5 Boost

Price: £19,990. Fair price: £1,596 (7%) under the AskCar estimate of £21,586, our expected asking price for this car from its model, age, mileage and specification, drawing on 200 priced BYD Seal 6 adverts on AskCar as of 9 November 2026.

AskCar lists 206 used BYD Seal 6 from 90 UK dealerships, as of 9 November 2026.

Overview

  • Make: BYD
  • Model: Seal 6
  • Trim: Boost
  • Version: 1.5 10kWh Boost CVT FWD Euro 6 (s/s) 5dr (180 bhp)
  • Year: 2025
  • Mileage: 9,223 miles
  • Fuel: Plug-in hybrid (petrol)
  • Body: Estate, 5 doors, 5 seats
  • Engine: 1.5 litres, 180 bhp
  • Gearbox: Automatic (CVT)
  • Drive: Front-wheel drive
  • Colour: Black
  • CO2: 60 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

At 9,223 miles, this 2025 BYD Seal 6 Boost has covered about 2,800 more miles than other 2025 BYD Seal 6 cars. Priced at £19,990, it is advertised £1,596 below the AskCar estimate of £21,586. To work out the AskCar estimate, we analyse UK dealer adverts for 200 BYD Seal 6 cars across different ages and specifications. This car was first seen in our listings data today. The seller is Swansway Garages BYD Crewe, based in Crewe. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 9 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,596 (7%) under the AskCar estimate of £21,586.

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 9 November 2026.

A 2025 BYD Seal 6 with the 1.5 plug-in hybrid engine is typically advertised at £22,100: the median of the 95 for sale on AskCar, as of 9 November 2026.

Time on sale

AskCar first saw this 2025 BYD Seal 6 advertised today.

Price history

AskCar first saw this advert on 9 November 2026 at £19,990. Its asking price has not changed.

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 2,800 miles higher than the median mileage of a 2025 BYD Seal 6 on AskCar.

Similar cars

46 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 9 November 2026.

The 3 closest to this car in mileage:

  • 2025 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, white. Mileage: 8,880 miles. Price: £22,790, £2,800 more than this car. Dealer: D. M. Keith in Grimsby. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-d1378f39db79
  • 2025 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, blue. Mileage: 8,704 miles. Price: £21,800, £1,810 more than this car. Dealer: Lmc Cars in Upminster. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-71f6b43adb5f
  • 2025 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, black. Mileage: 8,479 miles. Price: £20,994, £1,004 more than this car. Dealer: Perrys Broadstairs BYD in Broadstairs. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-537edcf0ec5f
  • The nearest: 2025 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, blue, 22 miles from this car. Mileage: 9,999 miles. Price: £24,495, £4,505 more than this car. Dealer: Pentagon Warrington in Warrington. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-794ba2c80960

Browse all BYD Seal 6 cars for sale · 2025 BYD Seal 6 price guide

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Photos

5 photos of this car are on its AskCar page.

As of 9 November 2026, AskCar lists 584,619 cars and vans from 12,676 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.