2026 BYD Seal U 1.5 Boost
Price: £24,499. Fair price: £143 (under 1%) over the AskCar estimate of £24,356, our expected asking price for this car from its model, age, mileage and specification, drawing on 853 priced BYD Seal U adverts on AskCar as of 4 November 2026.
AskCar lists 877 used BYD Seal U from 161 UK dealerships, as of 4 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: 2026
- Mileage: 10,530 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
This 2026 BYD Seal U Boost has covered 10,530 miles, around 8,500 more miles than is typical for its age. The dealer is asking £24,499, which is £143 above the AskCar estimate of £24,356. To work out the AskCar estimate, we analyse UK dealer adverts for 853 BYD Seal U cars across different ages and specifications. This car was first seen in our listings data 11 days ago. The seller is Gates Of Stevenage, based in Stevenage. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 4 November 2026.
Price
Fair price: £143 (under 1%) over the AskCar estimate of £24,356.
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 2026 BYD Seal U with the 1.5 plug-in hybrid engine is typically advertised at £27,000: the median of the 366 for sale on AskCar, as of 4 November 2026.
Time on sale
This 2026 BYD Seal U has been on sale for at least 11 days.
Price history
AskCar first saw this advert on 24 October 2026 at £24,499. Its asking price has not changed.
Mileage and MOT
MOT: first test not yet due.
Advertised mileage is about 8,500 miles higher than the median mileage of a 2026 BYD Seal U on AskCar.
Similar cars
254 other 2026 BYD Seal U Boost 1.5 plug-in hybrid automatic SUVs are for sale at UK dealers, from £22,742 to £35,595, as of 4 November 2026.
The 3 closest to this car in mileage:
- 2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, white. Mileage: 10,431 miles. Price: £23,699, £800 less than this car. Dealer: cinch in Peterborough. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-e04075c1af62
- 2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, blue. Mileage: 10,347 miles. Price: £23,699, £800 less than this car. Dealer: cinch in Peterborough. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-7a2ef0592a93
- 2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, black. Mileage: 10,851 miles. Price: £23,500, £999 less than this car. Dealer: Marshall BYD Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-58f6a7e71cb0
- The nearest: 2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, grey, under a mile from this car. Mileage: 3,993 miles. Price: £28,499, £4,000 more than this car. Dealer: Gates Of Stevenage in Stevenage. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-806eb7391e8a
Browse all BYD Seal U cars for sale · 2026 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 Stevenage
Photos
1 photo of this car is on its AskCar page.
As of 4 November 2026, AskCar lists 592,552 cars and vans from 12,964 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.