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: 2,662 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 2,662 miles on the clock. Priced at £26,700, it is advertised £668 above the AskCar estimate of £26,032. The AskCar estimate draws on 853 BYD Seal U adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this car for sale 22 days ago. The seller is Glyn Hopkin BYD Ipswich, based in Ipswich. 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: £668 (2%) over the AskCar estimate of £26,032.

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 22 days.

Price history

AskCar first saw this advert on 13 October 2026 at £26,464. Its asking price is now £26,700, £236 more.

Price changes recorded:

• 13 October 2026: £26,464
• 16 October 2026: £25,791
• 21 October 2026: £27,270
• 24 October 2026: £27,243
• 28 October 2026: £27,126
• 31 October 2026: £26,675
• 4 November 2026: £26,700

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 700 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, white. Mileage: 2,670 miles. Price: £24,998, £1,702 less than this car. Dealer: Arnold Clark Stirling Volvo / GWM / BYD in Stirling. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-1dabac53ec2c
• 2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, white. Mileage: 2,729 miles. Price: £26,390, £310 less than this car. Dealer: SG Petch Darlington in Darlington. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-c9c4c1e2b71d
• 2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, white. Mileage: 2,730 miles. Price: £24,899, £1,801 less than this car. Dealer: cinch in Northampton. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-2c6c45be3b4f

• The nearest: 2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, blue, under a mile from this car. Mileage: 2,420 miles. Price: £26,203, £497 less than this car. Dealer: Glyn Hopkin BYD Ipswich in Ipswich. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-089336b18a7c