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: 11,336 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

At 11,336 miles, this 2026 BYD Seal U Boost has covered about 9,300 more miles than other 2026 BYD Seal U cars. Its asking price of £24,454 is £213 above the AskCar estimate of £24,241. The AskCar estimate draws on 853 BYD Seal U adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 13 days ago. Its asking price has since fallen by £526. The seller is Evans Halshaw BYD Shrewsbury, based in Shrewsbury. 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: £213 (under 1%) over the AskCar estimate of £24,241.

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

This 2026 BYD Seal U has been on sale for at least 13 days.

Price history

AskCar first saw this advert on 22 October 2026 at £24,980. Its asking price is now £24,454, £526 less. The latest price cut was seen on 24 October 2026.

Price changes recorded:

• 22 October 2026: £24,980
• 24 October 2026: £24,454

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 9,300 miles higher 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: 11,377 miles. Price: £23,500, £954 less than this car. Dealer: Marshall BYD Northampton in Northampton. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-b8fb63f63f10
• 2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, white. Mileage: 11,441 miles. Price: £22,877, £1,577 less than this car. Dealer: D. M. Keith in Leeds. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-33f974ddc7cd
• 2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, blue. Mileage: 11,507 miles. Price: £22,990, £1,464 less than this car. Dealer: Snows BYD Newbury in Newbury. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-5c2d4ec9ecf2

• The nearest: 2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, grey, 11 miles from this car. Mileage: 7,924 miles. Price: £23,490, £964 less than this car. Dealer: Greenhous Telford in Telford. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-7ce132c1a64d