2025 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: 2025
• Mileage: 327 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

With 327 miles on the clock, this 2025 BYD Seal 6 Boost has done roughly 5,500 fewer miles than a typical 2025 BYD Seal 6. The dealer is asking £21,998, which is £1,832 below the AskCar estimate of £23,830. 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 152 days ago. Its asking price has since fallen by £5,000. The seller is Arnold Clark Mercedes-Benz Of Perth, based in Perth. 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: £1,832 (7%) under the AskCar estimate of £23,830.

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 2025 BYD Seal 6 with the 1.5 plug-in hybrid engine is typically advertised at £22,200: the median of the 91 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2025 BYD Seal 6 has been on sale for at least 152 days.

Price history

AskCar first saw this advert on 6 June 2026 at £26,998. Its asking price is now £21,998, £5,000 less. The latest price cut was seen on 21 October 2026.

Price changes recorded:

• 6 June 2026: £26,998
• 4 July 2026: £24,998
• 25 August 2026: £23,998
• 16 September 2026: £23,498
• 15 October 2026: £22,998
• 21 October 2026: £21,998

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 5,500 miles lower than the median mileage of a 2025 BYD Seal 6 on AskCar.

Similar cars

48 other 2025 BYD Seal 6 Boost 1.5 plug-in hybrid automatic estates are for sale at UK dealers, from £19,595 to £34,695, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2025 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, blue. Mileage: 25 miles. Price: £22,998, £1,000 more than this car. Dealer: Arnold Clark Oldbury Fiat / Motorstore / Jeep / Abarth / BYD in Oldbury. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-d796a56f7dfe
• 2025 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, black. Mileage: 10 miles. Price: £34,695, £12,697 more than this car. Dealer: Arnold Clark Shiremoor Motorstore / MG / BYD / Vanstore in Shiremoor. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-4dcda4a49f58
• 2025 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, beige. Mileage: 10 miles. Price: £34,695, £12,697 more than this car. Dealer: Arnold Clark Shiremoor Motorstore / MG / BYD / Vanstore in Shiremoor. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-99ca2f6b1ef8

• The nearest: 2025 BYD Seal 6 Boost, 1.5 plug-in hybrid estate, blue, 50 miles from this car. Mileage: 2,637 miles. Price: £22,498, £500 more than this car. Dealer: Arnold Clark Rutherglen Volkswagen / BYD in Rutherglen. AskCar page: https://askcar.co.uk/car/byd-seal-6-2025-afc07eabeae0