2026 BYD Seal U 1.5 Boost

Price: £22,990. Fair price: £1,437 (5%) under the AskCar estimate of £24,427, our expected asking price for this car from its model, age, mileage and specification, drawing on 914 priced BYD Seal U adverts on AskCar as of 12 November 2026.

AskCar lists 933 used BYD Seal U from 163 UK dealerships, as of 12 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: 8,985 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 is advertised with 8,985 miles, approximately 5,100 above the typical mileage for its age. Its asking price of £22,990 is £1,437 below the AskCar estimate of £24,427. The AskCar estimate uses UK dealer asking prices, including 914 BYD Seal U adverts, and accounts for the car’s age, mileage and specification. We first recorded this car for sale today. The seller is Snows BYD Honiton, based in Honiton. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 12 November 2026.

How we estimate prices and check cars

Snows BYD Honiton is rated 4.8 out of 5 on Google.

Price

Fair price: £1,437 (5%) under the AskCar estimate of £24,427.

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 914 priced BYD Seal U adverts across different ages and specifications, as of 12 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 400 for sale on AskCar, as of 12 November 2026.

Time on sale

AskCar first saw this 2026 BYD Seal U advertised today. About half of 2026 BYD Seal U cars are gone from sale within a month of being advertised: 178 of the 341 first advertised between 13 July 2026 and 9 October 2026.

Price history

AskCar first saw this advert on 12 November 2026 at £22,990. Its asking price has not changed.

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 5,100 miles higher than the median mileage of a 2026 BYD Seal U on AskCar.

Similar cars

275 other 2026 BYD Seal U Boost 1.5 plug-in hybrid automatic SUVs are for sale at UK dealers, from £22,599 to £35,595, as of 12 November 2026.

The 3 closest to this car in mileage:

  • 2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, black. Mileage: 9,052 miles. Price: £23,699, £709 more than this car. Dealer: cinch in Canterbury. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-807d067601b4
  • 2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, grey. Mileage: 8,895 miles. Price: £27,489, £4,499 more than this car. Dealer: Desmond Motors Londonderry in Derry. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-9d06f8cba03d
  • 2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, white. Mileage: 9,151 miles. Price: £23,699, £709 more than this car. Dealer: cinch in Peterborough. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-2b29ad67e171
  • The nearest: 2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, white, under a mile from this car. Mileage: 8,750 miles. Price: £22,990, the same price as this car. Dealer: Snows BYD Honiton in Honiton. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-443ff7ae6baa

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

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Photos

21 photos of this car are on its AskCar page.

As of 12 November 2026, AskCar lists 596,362 cars and vans from 12,840 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.