2026 BYD Seal U 1.5 Boost
Price: £24,499. Fair price: £827 (3%) under the AskCar estimate of £25,326, our expected asking price for this car from its model, age, mileage and specification, drawing on 850 priced BYD Seal U adverts on AskCar as of 2 November 2026.
AskCar lists 866 used BYD Seal U from 159 UK dealerships, as of 2 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: 6,802 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: Grey
- CO2: 20 g/km
- Emissions standard: Euro 6, ULEZ compliant
About this car
This 2026 BYD Seal U Boost has covered 6,802 miles, around 4,300 more miles than is typical for its age. Priced at £24,499, it is advertised £827 below the AskCar estimate of £25,326. The AskCar estimate draws on 850 BYD Seal U adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. This car was first seen in our listings data 5 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 2 November 2026.
Price
Fair price: £827 (3%) under the AskCar estimate of £25,326.
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 850 priced BYD Seal U adverts across different ages and specifications, as of 2 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 362 for sale on AskCar, as of 2 November 2026.
Time on sale
AskCar first saw this 2026 BYD Seal U advertised 5 days ago. About half of 2026 BYD Seal U cars are gone from sale within a month of being advertised: 140 of the 282 first advertised between 10 July 2026 and 29 September 2026.
Price history
AskCar first saw this advert on 28 October 2026 at £24,499. Its asking price has not changed.
Mileage and MOT
MOT: first test not yet due.
Advertised mileage is about 4,300 miles higher than the median mileage of a 2026 BYD Seal U on AskCar.
Similar cars
246 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 2 November 2026.
The 3 closest to this car in mileage:
- 2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, blue. Mileage: 6,832 miles. Price: £24,800, £301 more than this car. Dealer: Marshall BYD Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-6caf8dc14820
- 2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, grey. Mileage: 6,958 miles. Price: £24,200, £299 less than this car. Dealer: Marshall BYD Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-ec99e8d5ba29
- 2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, grey. Mileage: 6,614 miles. Price: £27,489, £2,990 more than this car. Dealer: Desmond Motors Londonderry in Derry. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-2d6d723ef136
- The nearest: 2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, blue, 15 miles from this car. Mileage: 11,507 miles. Price: £23,490, £1,009 less than this car. Dealer: Snows BYD Newbury in Newbury. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-5c2d4ec9ecf2
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 Reading
Photos
36 photos of this car are on its AskCar page.
As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.