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 5dr e (181 bhp)
• Year: 2026
• Mileage: 3,336 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: Blue
• CO2: 60 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 3,336 miles, this 2026 BYD Seal 6 Boost has covered about 2,400 more miles than other 2026 BYD Seal 6 cars. Its asking price of £23,495 is £846 above the AskCar estimate of £22,649. The AskCar estimate uses UK dealer asking prices, including 197 BYD Seal 6 adverts, and accounts for the car’s age, mileage and specification. We first recorded this advert 35 days ago, and its asking price has since fallen by £500. The seller is Marshall BYD Peterborough, based in Peterborough. 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: £846 (3%) over the AskCar estimate of £22,649.

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 35 days.

Price history

AskCar first saw this advert on 1 October 2026 at £23,995. Its asking price is now £23,495, £500 less. The latest price cut was seen on 14 October 2026.

Price changes recorded:

• 1 October 2026: £23,995
• 14 October 2026: £23,495

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 2,400 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 5 November 2026.

The 3 closest to this car in mileage:

• 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, beige. Mileage: 3,200 miles. Price: £26,063, £2,568 more than this car. Dealer: Sandicliffe BYD Loughborough in Loughborough. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-cc7b21699ebc
• 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, black. Mileage: 3,500 miles. Price: £23,499, the same price as this car. Dealer: SG Petch Durham in Durham. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-36dc64bcbb15
• 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, black. Mileage: 3,517 miles. Price: £21,990, £1,505 less than this car. Dealer: Marshall BYD Maidstone in Maidstone. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-05f27af50615

• The nearest: 2026 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, blue, under a mile from this car. Mileage: 12,276 miles. Price: £20,700, £2,795 less than this car. Dealer: Marshall BYD Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/byd-seal-6-2026-114098f0616f