2025 BYD Seal U 1.5 Boost
Version: 1.5 18.3kWh Boost CVT FWD Euro 6 (s/s) 5dr (214 bhp)
Price: £24,698. Fair price: £408 (1%) over the AskCar estimate of £24,290, our expected asking price for this car from its model, age, mileage and specification, drawing on 867 priced BYD Seal U adverts on AskCar as of 1 November 2026.
AskCar lists 875 used BYD Seal U from 160 UK dealerships, as of 1 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)
- Mileage
- 7,780 miles
- Year
- 2025
- Fuel type
- Plug-in hybrid (petrol)
- Body type
- SUV
- Engine
- 1.5 L
- Gearbox
- Automatic
- Power
- 214 bhp
- Seats
- 5
- CO2
- 20 g/km
- Colour
- Grey
- Doors
- 5
- Driven wheels
- Front Wheel Drive
- Gearbox version
- CVT
- Engine badge
- Boost
- Hybrid type
- Plug-in hybrid
- Emissions standard
- Euro 6
About this car
This 2025 BYD Seal U Boost has covered 7,780 miles. Its asking price of £24,698 is £408 above the AskCar estimate of £24,290. The AskCar estimate uses UK dealer asking prices, including 867 BYD Seal U adverts, and accounts for the car’s age, mileage and specification. It first appeared in our advert records today. The seller is Arnold Clark Glasgow South Street Vauxhall Peugeot Citroen Ds Mazda Vanstorelepas, based in Glasgow.
Stock data as of 1 November 2026.
Price history
AskCar first saw this advert on 1 November 2026.
| Date observed | Asking price |
|---|---|
| 1 November 2026 | £24,698 |
Price and mileage comparison
Fair price: £408 (1%) over the AskCar estimate of £24,290.
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 867 priced BYD Seal U adverts across different ages and specifications, as of 1 November 2026.
Advertised mileage is about 500 miles lower than the median mileage of a 2025 BYD Seal U on AskCar.
MOT
MOT: first test not yet due.
Other matching cars
100 other 2025 BYD Seal U Boost automatic plug-in hybrids (petrol) are for sale at UK dealers from £14,999 to £34,295, as of 1 November 2026.
The 5 cheapest:
- 2025 BYD Seal U. Price: £14,999. Mileage: 11,775 miles. Dealer: Drivex Motors Group in London. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-6a6bb00ff879
- 2025 BYD Seal U. Price: £22,495. Mileage: 14,340 miles. Dealer: EMG Motor Group Kings Lynn BYD in King's Lynn. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-b1692778f0f8
- 2025 BYD Seal U. Price: £22,590. Mileage: 9,607 miles. Dealer: Evans Halshaw BYD Rotherham in Rotherham. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-8fe5dd9a036b
- 2025 BYD Seal U. Price: £22,649. Mileage: 7,262 miles. Dealer: Pentagon Derby in Derby. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-6be9227df601
- 2025 BYD Seal U. Price: £22,750. Mileage: 15,400 miles. Dealer: Castle Motors in Liskeard. AskCar page: https://askcar.co.uk/car/byd-seal-u-2025-c0a2581894d6
The 100 matching cars have covered 5 to 18,698 miles, compared with 7,780 miles for this car.
Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. The AskCar estimate adjusts for these differences.
Browse all BYD Seal U cars for sale · 2025 BYD Seal U price guide
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Photos
1 photo of this car is on its AskCar page.
How to contact the dealer and its opening hours are on this AskCar page.
As of 1 November 2026, AskCar lists 578,994 cars and vans from 12,654 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.