2026 BYD Seal U 1.5 Boost

Price: £22,599. Fair price: £1,431 (5%) under the AskCar estimate of £24,030, our expected asking price for this car from its model, age, mileage and specification, drawing on 829 priced BYD Seal U adverts on AskCar as of 7 November 2026.

AskCar lists 872 used BYD Seal U from 161 UK dealerships, as of 7 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: 11,858 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: White
CO2: 20 g/km
Emissions standard: Euro 6, ULEZ compliant

About this car

At 11,858 miles, this 2026 BYD Seal U Boost has covered about 8,900 more miles than other 2026 BYD Seal U cars. The dealer is asking £22,599, which is £1,431 below the AskCar estimate of £24,030. To work out the AskCar estimate, we analyse UK dealer adverts for 829 BYD Seal U cars across different ages and specifications. It first appeared in our advert records today. You can find this car at D. M. Keith in Bradford. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,431 (5%) under the AskCar estimate of £24,030.

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 829 priced BYD Seal U adverts across different ages and specifications, as of 7 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 363 for sale on AskCar, as of 7 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: 160 of the 317 first advertised between 10 July 2026 and 4 October 2026.

Price history

AskCar first saw this advert on 7 November 2026 at £22,599. Its asking price has not changed.

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 8,900 miles higher than the median mileage of a 2026 BYD Seal U on AskCar.

Similar cars

252 other 2026 BYD Seal U Boost 1.5 plug-in hybrid automatic SUVs are for sale at UK dealers, from £22,582 to £35,595, as of 7 November 2026.

The 3 closest to this car in mileage:

2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, blue. Mileage: 11,882 miles. Price: £23,400, £801 more than this car. Dealer: Marshall BYD Canterbury in Canterbury. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-b4a9f1b7eebc
2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, white. Mileage: 11,887 miles. Price: £23,400, £801 more than this car. Dealer: Marshall BYD St Neots in St Neots. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-89816dbe1acb
2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, black. Mileage: 11,829 miles. Price: £23,500, £901 more than this car. Dealer: Marshall BYD Canterbury in Canterbury. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-db086333c21d

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