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: 14,486 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: Black
• CO2: 26 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 14,486 miles, this 2025 BYD Seal U Design has covered about 6,300 more miles than other 2025 BYD Seal U cars. The AskCar estimate for this car is £24,517. It is priced at £24,299, which is £218 below that estimate. The AskCar estimate draws on 853 BYD Seal U adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this car for sale 4 days ago. The seller is Hartwell Reading, based in Reading. 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: £218 (under 1%) under the AskCar estimate of £24,517.

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 853 priced BYD Seal U adverts across different ages and specifications, as of 4 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 497 for sale on AskCar, as of 4 November 2026.

Time on sale

AskCar first saw this 2025 BYD Seal U advertised 4 days ago. About half of 2025 BYD Seal U cars are gone from sale within a month of being advertised: 605 of the 1,172 first advertised between 8 July 2026 and 1 October 2026.

Price history

AskCar first saw this advert on 31 October 2026 at £24,299. Its asking price has not changed.

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 6,300 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 4 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, £400 more 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, grey. Mileage: 13,566 miles. Price: £25,490, £1,191 more than this car. Dealer: SG Petch Darlington in Darlington. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-59023ec9fd10
• 2025 BYD Seal U Design, 1.5 plug-in hybrid SUV, grey. Mileage: 15,414 miles. Price: £24,199, £100 less than this car. Dealer: D. M. Keith in Leeds. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-95a83a832cb4

• The nearest: 2025 BYD Seal U Design, 1.5 plug-in hybrid SUV, grey, 37 miles from this car. Mileage: 8,954 miles. Price: £26,066, £1,767 more than this car. Dealer: Glyn Hopkin BYD St Albans in St Albans. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-a64a7e84c56d