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: 1,500 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: Blue
• CO2: 20 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2026 BYD Seal U Boost is advertised with 1,500 miles on the clock. The dealer is asking £26,990, which is £98 above the AskCar estimate of £26,892. To work out the AskCar estimate, we analyse UK dealer adverts for 853 BYD Seal U cars across different ages and specifications. We first recorded this car for sale 1 day ago. The seller is All Electric BYD Stourbridge, based in Stourbridge. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £98 (under 1%) over the AskCar estimate of £26,892.

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 853 priced BYD Seal U adverts across different ages and specifications, as of 4 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 366 for sale on AskCar, as of 4 November 2026.

Time on sale

AskCar first saw this 2026 BYD Seal U advertised 1 day ago. About half of 2026 BYD Seal U cars are gone from sale within a month of being advertised: 151 of the 300 first advertised between 10 July 2026 and 1 October 2026.

Price history

AskCar first saw this advert on 3 November 2026 at £26,990. Its asking price has not changed.

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 500 miles lower than the median mileage of a 2026 BYD Seal U on AskCar.

Similar cars

254 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 4 November 2026.

The 3 closest to this car in mileage:

• 2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, grey. Mileage: 1,001 miles. Price: £25,998, £992 less than this car. Dealer: Arnold Clark Edinburgh Seafield Kia / BYD in Edinburgh. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-7e14eb7de435
• 2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, blue. Mileage: 2,000 miles. Price: £27,498, £508 more than this car. Dealer: Lookers BYD Middlesbrough in Middlesbrough. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-15377f2622cd
• 2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, white. Mileage: 2,000 miles. Price: £28,000, £1,010 more than this car. Dealer: John Clark BYD Dundee in Dundee. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-8ef441622db7

• The nearest: 2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, grey, 7 miles from this car. Mileage: 10 miles. Price: £32,495, £5,505 more than this car. Dealer: Arnold Clark Oldbury Fiat / Motorstore / Jeep / Abarth / BYD in Oldbury. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-78997e253f87