2026 BYD Seal 6 1.5 Boost

Price: £21,995. Fair price: £681 (3%) under the AskCar estimate of £22,676, our expected asking price for this car from its model, age, mileage and specification, drawing on 209 priced BYD Seal 6 adverts on AskCar as of 10 November 2026.

AskCar lists 215 used BYD Seal 6 from 93 UK dealerships, as of 10 November 2026.

Overview

  • Make: BYD
  • Model: Seal 6
  • Trim: Boost
  • Version: 1.5 DM-i Boost CVT FWD Euro 6 5dr e (181 bhp)
  • Year: 2026
  • Mileage: 2,557 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: Beige
  • CO2: 60 g/km
  • Emissions standard: Euro 6, ULEZ compliant

About this car

The advertised mileage for this 2026 BYD Seal 6 Boost is 2,557 miles. Priced at £21,995, it is advertised £681 below the AskCar estimate of £22,676. To work out the AskCar estimate, we analyse UK dealer adverts for 209 BYD Seal 6 cars across different ages and specifications. We have tracked this advert today. The seller is Marshall BYD Northampton, based in Northampton. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 10 November 2026.

How we estimate prices and check cars

Marshall BYD Northampton is rated 4.4 out of 5 on Google.

Price

Fair price: £681 (3%) under the AskCar estimate of £22,676.

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 209 priced BYD Seal 6 adverts across different ages and specifications, as of 10 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 111 for sale on AskCar, as of 10 November 2026.

Time on sale

AskCar first saw this 2026 BYD Seal 6 advertised today. About 2 in 10 of 2026 BYD Seal 6 cars are gone from sale within a month of being advertised: 12 of the 80 first advertised between 11 July 2026 and 7 October 2026.

Price history

AskCar first saw this advert on 10 November 2026 at £21,995. Its asking price has not changed.

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 1,200 miles higher than the median mileage of a 2026 BYD Seal 6 on AskCar.

Similar cars

62 other 2026 BYD Seal 6 Boost 1.5 plug-in hybrid automatic estates are for sale at UK dealers, from £19,990 to £29,995, as of 10 November 2026.

The 3 closest to this car in mileage:

  • 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, blue. Mileage: 2,541 miles. Price: £22,800, £805 more than this car. Dealer: John Clark BYD Dundee in Dundee. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-5d7128df80f2
  • 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, black. Mileage: 2,533 miles. Price: £22,299, £304 more than this car. Dealer: cinch in Ashford. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-24e684e82084
  • 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, white. Mileage: 2,500 miles. Price: £23,990, £1,995 more than this car. Dealer: Swansway Garages BYD Crewe in Crewe. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-4d1e509421e3
  • The nearest: 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, white, under a mile from this car. Mileage: 10,421 miles. Price: £21,000, £995 less than this car. Dealer: Marshall BYD Northampton in Northampton. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-8592f5f8a3c8

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

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Photos

1 photo of this car is on its AskCar page.

As of 10 November 2026, AskCar lists 591,054 cars and vans from 12,888 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.