2025 BYD Seal Design

Overview

• Make: BYD
• Model: Seal
• Trim: Design
• Version: 82.5kWh Design Auto RWD 4dr (308 bhp)
• Year: 2025
• Mileage: 5,383 miles
• Fuel: Electric
• Body: Saloon, 4 doors, 5 seats
• Engine: 308 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Grey
• CO2: 0 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

The advertised mileage for this 2025 BYD Seal Design is 5,383 miles. Its asking price of £29,950 is £33 below the AskCar estimate of £29,983. The AskCar estimate uses 176 UK dealer adverts for the BYD Seal, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this advert 50 days ago, and its asking price has since fallen by £500. The seller is Donnelly BYD Ballymena, based in Ballymena. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £33 (under 1%) under the AskCar estimate of £29,983.

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 176 priced BYD Seal adverts across different ages and specifications, as of 2 November 2026.

Time on sale

This 2025 BYD Seal has been on sale for at least 50 days.

Price history

AskCar first saw this advert on 13 September 2026 at £30,450. Its asking price is now £29,950, £500 less. The latest price cut was seen on 10 October 2026.

Price changes recorded:

• 13 September 2026: £30,450
• 10 October 2026: £29,950

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 1,800 miles lower than the median mileage of a 2025 BYD Seal on AskCar.

Similar cars

26 other 2025 BYD Seal Design automatic saloons are for sale at UK dealers, from £25,999 to £43,295, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2025 BYD Seal Design, saloon, blue. Mileage: 5,532 miles. Price: £30,200, £250 more than this car. Dealer: Marshall BYD Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/byd-seal-2025-427415665d0a
• 2025 BYD Seal Design, saloon, blue. Mileage: 5,196 miles. Price: £30,200, £250 more than this car. Dealer: Marshall BYD Ashford in Ashford. AskCar page: https://askcar.co.uk/car/byd-seal-2025-6d359da92467
• 2025 BYD Seal Design, saloon, white. Mileage: 6,010 miles. Price: £28,807, £1,143 less than this car. Dealer: Pentagon BYD Nottingham in Nottingham. AskCar page: https://askcar.co.uk/car/byd-seal-2025-ce1b0021dc2d

• The nearest: 2025 BYD Seal Design, saloon, white, 34 miles from this car. Mileage: 7,589 miles. Price: £29,750, £200 less than this car. Dealer: Donnelly Motorstore Dungannon in Dungannon. AskCar page: https://askcar.co.uk/car/byd-seal-2025-a2047cccb874