2025 BYD Seal U 1.5 Boost
Price: £22,495. Fair price: £514 (2%) under the AskCar estimate of £23,009, our expected asking price for this car from its model, age, mileage and specification, drawing on 859 priced BYD Seal U adverts on AskCar as of 5 November 2026.
AskCar lists 882 used BYD Seal U from 161 UK dealerships, as of 5 November 2026.
Overview
- Make: BYD
- Model: Seal U
- Trim: Boost
- Version: 1.5 18.3kWh Boost CVT FWD Euro 6 (s/s) 5dr (214 bhp)
- Year: 2025
- Mileage: 14,340 miles
- Fuel: Plug-in hybrid (petrol)
- Body: SUV, 5 doors, 5 seats
- Engine: 1.5 litres, 214 bhp
- Gearbox: Automatic (CVT)
- Drive: Front-wheel drive
- Colour: Black
- CO2: 20 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
With 14,340 miles on the clock, this 2025 BYD Seal U Boost has done roughly 6,300 more miles than a typical 2025 BYD Seal U. The dealer is asking £22,495, which is £514 below the AskCar estimate of £23,009. To work out the AskCar estimate, we analyse UK dealer adverts for 859 BYD Seal U cars across different ages and specifications. We first recorded this car for sale 8 days ago. It is for sale at EMG Motor Group Kings Lynn BYD in King's Lynn. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 5 November 2026.
Price
Fair price: £514 (2%) under the AskCar estimate of £23,009.
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 8 days.
Price history
AskCar first saw this advert on 28 October 2026 at £22,495. 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
102 other 2025 BYD Seal U Boost 1.5 plug-in hybrid automatic SUVs are for sale at UK dealers, from £22,440 to £33,995, as of 5 November 2026.
The 3 closest to this car in mileage:
- 2025 BYD Seal U Boost, 1.5 plug-in hybrid SUV, grey. Mileage: 15,061 miles. Price: £23,295, £800 more than this car. Dealer: Busseys - Attleborough in Attleborough. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-89ca28a4750e
- 2025 BYD Seal U Boost, 1.5 plug-in hybrid SUV, blue. Mileage: 13,427 miles. Price: £23,498, £1,003 more than this car. Dealer: Arnold Clark Aberdeen Mazda Chery Jeep Alfa Romeo Leapmotor Lepas in Aberdeen. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-e942847f23b7
- 2025 BYD Seal U Boost, 1.5 plug-in hybrid SUV, black. Mileage: 13,156 miles. Price: £22,880, £385 more than this car. Dealer: EMG Motor Group Spalding BYD in Spalding. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-b48f92531fb3
Browse all BYD Seal U cars for sale · 2025 BYD Seal U price guide
More like this
- Used BYD Seal U Boost prices
- Used BYD Seal U for sale under £30,000
- Used BYD Seal U for sale near King's Lynn
Photos
46 photos of this car are on its AskCar page.
As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.