2026 BYD Seal U 1.5 Boost

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: 13 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 13 miles, around 2,500 fewer miles than is typical for its age. Priced at £26,998, it is advertised £1,292 below the AskCar estimate of £28,290. 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 today. The seller is Arnold Clark Preston Motorstore / BYD, based in Preston. 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: £1,292 (4%) under the AskCar estimate of £28,290.

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 today. 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 2 November 2026 at £26,998. Its asking price has not changed.

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 2,500 miles lower 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: 13 miles. Price: £26,998, the same price as this car. Dealer: Arnold Clark Newcastle BYD in Newcastle upon Tyne. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-27f1e9cf6585
• 2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, grey. Mileage: 13 miles. Price: £26,998, the same price as this car. Dealer: Arnold Clark Stirling Volvo / GWM / BYD in Stirling. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-a77191d1c72c
• 2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, grey. Mileage: 12 miles. Price: £26,998, the same price as this car. Dealer: Arnold Clark Stafford Motorstore / BYD / Vanstore in Stafford. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-a8b953118eca

• The nearest: 2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, grey, under a mile from this car. Mileage: 19 miles. Price: £26,998, the same price as this car. Dealer: Arnold Clark Preston Motorstore / BYD in Preston. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-168a41efe842