2026 BYD Seal U 1.5 Boost

Price: £24,995. Fair price: £843 (3%) under the AskCar estimate of £25,838, 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: 4,786 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 4,786 miles on the clock, this 2026 BYD Seal U Boost has done roughly 2,300 more miles than a typical 2026 BYD Seal U. Its asking price of £24,995 is £843 below the AskCar estimate of £25,838. The AskCar estimate uses 850 UK dealer adverts for the BYD Seal U, with adjustments for age, mileage, trim, engine and other specifications. It first appeared in our advert records 12 days ago. The seller is Pentagon BYD Burton, based in Burton-on-Trent. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £843 (3%) under the AskCar estimate of £25,838.

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

This 2026 BYD Seal U has been on sale for at least 12 days.

Price history

AskCar first saw this advert on 21 October 2026 at £24,995. Its asking price has not changed.

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 2,300 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, grey. Mileage: 4,824 miles. Price: £25,998, £1,003 more than this car. Dealer: Arnold Clark Mercedes-Benz Of Perth in Perth. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-a7171d3a7235
  • 2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, grey. Mileage: 4,734 miles. Price: £27,490, £2,495 more than this car. Dealer: Lloyd AllRoad in Carlisle. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-8897cd15c65b
  • 2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, grey. Mileage: 4,707 miles. Price: £25,199, £204 more than this car. Dealer: cinch in Canterbury. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-76b67c4ff74d
  • The nearest: 2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, black, under a mile from this car. Mileage: 3,440 miles. Price: £25,495, £500 more than this car. Dealer: Pentagon BYD Burton in Burton upon Trent. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-0d11eb2061a8

Browse all BYD Seal U cars for sale · 2026 BYD Seal U price guide

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Photos

40 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.