2025 BYD Sealion 7 Design

Overview

• Make: BYD
• Model: Sealion 7
• Trim: Design
• Version: Design Auto 4WD 5dr (522 bhp)
• Year: 2025
• Mileage: 5,075 miles
• Fuel: Electric
• Body: SUV, 5 doors, 5 seats
• Engine: 522 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: White
• CO2: 0 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

The advertised mileage for this 2025 BYD Sealion 7 Design is 5,075 miles. Its asking price of £34,009 is £1,145 below the AskCar estimate of £35,154. To work out the AskCar estimate, we analyse UK dealer adverts for 122 BYD Sealion 7 cars across different ages and specifications. The dealer may accept less. This car has been on sale for at least 82 days, and its asking price is down £635. The seller is Glyn Hopkin BYD Waltham Abbey, based in Waltham Abbey. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,145 (3%) under the AskCar estimate of £35,154.

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 122 priced BYD Sealion 7 adverts across different ages and specifications, as of 4 November 2026.

Time on sale

The dealer may accept less. This 2025 BYD Sealion 7 has been on sale for at least 82 days, and its asking price has been cut by £635. About half of 2025 BYD Sealion 7 cars are gone from sale within a month of being advertised: 101 of the 191 first advertised between 7 July 2026 and 1 October 2026.

Price history

AskCar first saw this advert on 14 August 2026 at £34,644. Its asking price is now £34,009, £635 less. The latest price cut was seen on 22 October 2026.

Price changes recorded:

• 14 August 2026: £34,644
• 5 September 2026: £34,465
• 17 September 2026: £34,401
• 22 October 2026: £34,009

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 200 miles lower than the median mileage of a 2025 BYD Sealion 7 on AskCar.

Similar cars

17 other 2025 BYD Sealion 7 Design automatic SUVs are for sale at UK dealers, from £31,995 to £50,395, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2025 BYD Sealion 7 Design, SUV, black. Mileage: 5,182 miles. Price: £32,883, £1,126 less than this car. Dealer: Glyn Hopkin BYD Ipswich in Ipswich. AskCar page: https://askcar.co.uk/car/byd-sealion-7-2025-096880ce091c
• 2025 BYD Sealion 7 Design, SUV, black. Mileage: 5,331 miles. Price: £33,087, £922 less than this car. Dealer: Glyn Hopkin BYD Ipswich in Ipswich. AskCar page: https://askcar.co.uk/car/byd-sealion-7-2025-1478c54998c7
• 2025 BYD Sealion 7 Design, SUV, black. Mileage: 4,564 miles. Price: £32,990, £1,019 less than this car. Dealer: SG Petch Darlington in Darlington. AskCar page: https://askcar.co.uk/car/byd-sealion-7-2025-1b046d6aac76

• The nearest: 2025 BYD Sealion 7 Design, SUV, grey, 37 miles from this car. Mileage: 16,011 miles. Price: £32,995, £1,014 less than this car. Dealer: Hendy Peugeot & Vauxhall Tonbridge in Tonbridge. AskCar page: https://askcar.co.uk/car/byd-sealion-7-2025-ad9b91a8387e