2026 BYD Seal 6 1.5 Boost

Price: £21,900. Fair price: £411 (1%) under the AskCar estimate of £22,311, our expected asking price for this car from its model, age, mileage and specification, drawing on 219 priced BYD Seal 6 adverts on AskCar as of 11 November 2026.

AskCar lists 225 used BYD Seal 6 from 94 UK dealerships, as of 11 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: 4,474 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: White
  • CO2: 52 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

The advertised mileage for this 2026 BYD Seal 6 Boost is 4,474 miles. Priced at £21,900, it is advertised £411 below the AskCar estimate of £22,311. The AskCar estimate uses 219 UK dealer adverts for the BYD Seal 6, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this car for sale today. The seller is Marshall BYD Maidstone, based in Maidstone. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 11 November 2026.

How we estimate prices and check cars

Marshall BYD Maidstone is rated 4.9 out of 5 on Google.

Price

Fair price: £411 (1%) under the AskCar estimate of £22,311.

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 219 priced BYD Seal 6 adverts across different ages and specifications, as of 11 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 120 for sale on AskCar, as of 11 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: 12 of the 82 first advertised between 11 July 2026 and 8 October 2026.

Price history

AskCar first saw this advert on 11 November 2026 at £21,900. Its asking price has not changed.

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 2,000 miles higher than the median mileage of a 2026 BYD Seal 6 on AskCar.

Similar cars

40 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 11 November 2026.

The 3 closest to this car in mileage:

  • 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid saloon, blue. Mileage: 4,744 miles. Price: £21,999, £99 more than this car. Dealer: cinch in Maidstone. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-830441ca100f
  • 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid saloon, white. Mileage: 4,878 miles. Price: £22,269, £369 more than this car. Dealer: LSH Auto BYD Manchester in Stockport. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-fb5fd6ac84e8
  • 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid saloon, gold. Mileage: 3,999 miles. Price: £24,952, £3,052 more than this car. Dealer: Drayton Motors Kia Boston in Boston. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-06624378e765

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

More like this

Photos

21 photos of this car are on its AskCar page.

As of 11 November 2026, AskCar lists 593,449 cars and vans from 12,847 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.