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: 13,566 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: Grey
• CO2: 26 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 13,566 miles, this 2025 BYD Seal U Design has covered about 5,500 more miles than other 2025 BYD Seal U cars. Its asking price of £25,490 is £923 above the AskCar estimate of £24,567. 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 advert 21 days ago, and its asking price has since fallen by £500. The seller is SG Petch Darlington, based in Darlington. 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: £923 (3%) over the AskCar estimate of £24,567.

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

This 2025 BYD Seal U has been on sale for at least 21 days.

Price history

AskCar first saw this advert on 15 October 2026 at £25,990. Its asking price is now £25,490, £500 less. The latest price cut was seen on 28 October 2026.

Price changes recorded:

• 15 October 2026: £25,990
• 28 October 2026: £25,490

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 5,500 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: 13,602 miles. Price: £24,699, £791 less than this car. Dealer: Thurlow Nunn in Lowestoft. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-74758a336edc
• 2025 BYD Seal U Design, 1.5 plug-in hybrid SUV, blue. Mileage: 12,649 miles. Price: £24,180, £1,310 less than this car. Dealer: Evans Halshaw BYD Milton Keynes in Milton Keynes. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-58f95cb04d89
• 2025 BYD Seal U Design, 1.5 plug-in hybrid SUV, black. Mileage: 14,486 miles. Price: £24,299, £1,191 less than this car. Dealer: Hartwell Reading in Reading. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-1bae71f49313

• The nearest: 2025 BYD Seal U Design, 1.5 plug-in hybrid SUV, blue, under a mile from this car. Mileage: 1,662 miles. Price: £27,490, £2,000 more than this car. Dealer: SG Petch Darlington in Darlington. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-c029ee6e1d74