2025 BYD Seal U 1.5 Design

Overview

• Make: BYD
• Model: Seal U
• Trim: Design
• Version: 1.5 18.3kWh Design CVT 4WD Euro 6 (s/s) 5dr (319 bhp)
• Year: 2025
• Mileage: 10,574 miles
• Fuel: Plug-in hybrid (petrol)
• Body: SUV, 5 doors, 5 seats
• Engine: 1.5 litres, 319 bhp
• Gearbox: Automatic (CVT)
• Drive: Four-wheel drive
• Colour: White
• CO2: 26 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2025 BYD Seal U Design has covered 10,574 miles, around 2,500 more miles than is typical for its age. Its asking price of £25,349 is £348 above the AskCar estimate of £25,001. The AskCar estimate uses 859 UK dealer adverts for the BYD Seal U, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this car for sale 2 days ago. It is advertised by Thurlow Nunn in Lowestoft. 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: £348 (1%) over the AskCar estimate of £25,001.

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 859 priced BYD Seal U adverts across different ages and specifications, as of 5 November 2026.

A 2025 BYD Seal U with the 1.5 plug-in hybrid engine is typically advertised at £24,600: the median of the 495 for sale on AskCar, as of 5 November 2026.

Time on sale

AskCar first saw this 2025 BYD Seal U advertised 2 days ago. About half of 2025 BYD Seal U cars are gone from sale within a month of being advertised: 611 of the 1,181 first advertised between 8 July 2026 and 2 October 2026.

Price history

AskCar first saw this advert on 3 November 2026 at £25,349. Its asking price has not changed.

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 2,500 miles higher than the median mileage of a 2025 BYD Seal U on AskCar.

Similar cars

68 other 2025 BYD Seal U Design 1.5 plug-in hybrid automatic SUVs are for sale at UK dealers, from £18,990 to £38,595, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2025 BYD Seal U Design, 1.5 plug-in hybrid SUV, grey. Mileage: 10,432 miles. Price: £25,741, £392 more than this car. Dealer: D. M. Keith Cupra York in York. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-ac343afc9625
• 2025 BYD Seal U Design, 1.5 plug-in hybrid SUV, white. Mileage: 10,721 miles. Price: £24,000, £1,349 less than this car. Dealer: Perrys Huddersfield in Huddersfield. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-39b24e79c39f
• 2025 BYD Seal U Design, 1.5 plug-in hybrid SUV, black. Mileage: 10,400 miles. Price: £24,114, £1,235 less than this car. Dealer: Carsa Cannock in Cannock. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-88baa5de879c