2026 BYD Seal 6 1.5 Boost

Price: £21,099. Fair price: £21 (under 1%) under the AskCar estimate of £21,120, our expected asking price for this car from its model, age, mileage and specification, drawing on 198 priced BYD Seal 6 adverts on AskCar as of 7 November 2026.

AskCar lists 207 used BYD Seal 6 from 95 UK dealerships, as of 7 November 2026.

Overview

  • Make: BYD
  • Model: Seal 6
  • Trim: Boost
  • Version: 1.5 DM-i Boost CVT FWD Euro 6 4dr e (181 bhp)
  • Year: 2026
  • Mileage: 11,772 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: Blue
  • CO2: 52 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

This 2026 BYD Seal 6 Boost has covered 11,772 miles, around 10,900 more miles than is typical for its age. The AskCar estimate for this car is £21,120. It is priced at £21,099, which is £21 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 198 BYD Seal 6 cars across different ages and specifications. It first appeared in our advert records today. You can find this car at cinch in St. Neots. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £21 (under 1%) under the AskCar estimate of £21,120.

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 198 priced BYD Seal 6 adverts across different ages and specifications, as of 7 November 2026.

A 2026 BYD Seal 6 with the 1.5 plug-in hybrid engine is typically advertised at £23,500: the median of the 112 for sale on AskCar, as of 7 November 2026.

Time on sale

AskCar first saw this 2026 BYD Seal 6 advertised today. About 1 in 10 of 2026 BYD Seal 6 cars are gone from sale within a month of being advertised: 11 of the 78 first advertised between 8 July 2026 and 4 October 2026.

Price history

AskCar first saw this advert on 7 November 2026 at £21,099. Its asking price has not changed.

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 10,900 miles higher than the median mileage of a 2026 BYD Seal 6 on AskCar.

Similar cars

39 other 2026 BYD Seal 6 Boost 1.5 plug-in hybrid automatic saloons are for sale at UK dealers, from £20,000 to £33,995, as of 7 November 2026.

The 3 closest to this car in mileage:

  • 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid saloon, gold. Mileage: 11,582 miles. Price: £20,000, £1,099 less than this car. Dealer: Perrys Huddersfield in Huddersfield. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-632887baf46c
  • 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid saloon, blue. Mileage: 11,963 miles. Price: £21,000, £99 less than this car. Dealer: Marshall BYD Northampton in Northampton. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-6dd633dc3e9a
  • 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid saloon, black. Mileage: 12,035 miles. Price: £20,800, £299 less than this car. Dealer: Marshall BYD Northampton in Northampton. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-d654607f8e7e

Browse all BYD Seal 6 cars for sale · 2026 BYD Seal 6 price guide

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Photos

27 photos of this car are on its AskCar page.

As of 7 November 2026, AskCar lists 601,018 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.