2026 BYD Seal 6 1.5 Boost

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: 2,500 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: Black
• CO2: 52 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2026 BYD Seal 6 Boost is advertised with 2,500 miles on the clock. Its asking price of £23,489 is £609 above the AskCar estimate of £22,880. To work out the AskCar estimate, we analyse UK dealer adverts for 197 BYD Seal 6 cars across different ages and specifications. We first saw this car advertised 126 days ago. Its asking price has since fallen by £2,506. The seller is Lookers BYD Sheffield, based in Sheffield. 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: £609 (2%) over the AskCar estimate of £22,880.

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 2026 BYD Seal 6 with the 1.5 plug-in hybrid engine is typically advertised at £23,800: the median of the 110 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2026 BYD Seal 6 has been on sale for at least 126 days.

Price history

AskCar first saw this advert on 2 July 2026 at £25,995. Its asking price is now £23,489, £2,506 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

• 2 July 2026: £25,995
• 6 July 2026: £25,850
• 10 July 2026: £27,841
• 14 July 2026: £27,830
• 25 July 2026: £27,750
• 3 August 2026: £26,945
• 4 August 2026: £26,900
• 6 August 2026: £26,700
• 8 August 2026: £26,525
• 15 August 2026: £26,300
• 20 August 2026: £26,251
• 24 August 2026: £26,077
• 28 August 2026: £25,842
• 3 September 2026: £25,651
• 8 September 2026: £25,600
• 15 September 2026: £25,436
• 22 September 2026: £25,222
• 26 September 2026: £25,120
• 30 September 2026: £24,644
• 6 October 2026: £24,255
• 10 October 2026: £24,100
• 15 October 2026: £23,922
• 19 October 2026: £23,789
• 23 October 2026: £23,624
• 28 October 2026: £23,489

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 1,600 miles higher than the median mileage of a 2026 BYD Seal 6 on AskCar.

Similar cars

36 other 2026 BYD Seal 6 Boost 1.5 plug-in hybrid automatic saloons are for sale at UK dealers, from £19,800 to £33,995, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid saloon, blue. Mileage: 2,585 miles. Price: £24,910, £1,421 more than this car. Dealer: Lookers BYD Middlesbrough in Middlesbrough. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-ecb91eadcb6f
• 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid saloon, blue. Mileage: 2,678 miles. Price: £22,200, £1,289 less than this car. Dealer: Marshall BYD Northampton in Northampton. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-b58a2c3b0783
• 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid saloon, black. Mileage: 3,020 miles. Price: £23,500, the same price as this car. Dealer: Lloyd AllRoad in Carlisle. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-e04dcbb2515d

• The nearest: 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid saloon, gold, 23 miles from this car. Mileage: 11,566 miles. Price: £19,800, £3,689 less than this car. Dealer: Perrys Huddersfield in Huddersfield. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-632887baf46c