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: 5,000 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

This 2026 BYD Seal U Boost is advertised with 5,000 miles, approximately 2,600 above the typical mileage for its age. Its asking price of £24,765 is £960 below the AskCar estimate of £25,725. The AskCar estimate draws on 854 BYD Seal U adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this advert 10 days ago, and its asking price has since fallen by £230. The seller is EMG Motor Group Spalding BYD, based in Spalding. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Fair price: £960 (3%) under the AskCar estimate of £25,725.

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 854 priced BYD Seal U adverts across different ages and specifications, as of 6 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 372 for sale on AskCar, as of 6 November 2026.

Time on sale

This 2026 BYD Seal U has been on sale for at least 10 days.

Price history

AskCar first saw this advert on 27 October 2026 at £24,995. Its asking price is now £24,765, £230 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

• 27 October 2026: £24,995
• 4 November 2026: £24,765

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 2,600 miles higher than the median mileage of a 2026 BYD Seal U on AskCar.

Similar cars

255 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 6 November 2026.

The 3 closest to this car in mileage:

• 2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, blue. Mileage: 5,000 miles. Price: £26,499, £1,734 more than this car. Dealer: D. M. Keith in Leeds. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-d5ff9d5f4bf3
• 2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, blue. Mileage: 4,999 miles. Price: £28,990, £4,225 more than this car. Dealer: Pentagon Lincoln Used Car Centre in Lincoln. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-f64f6b3de177
• 2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, white. Mileage: 5,014 miles. Price: £23,799, £966 less than this car. Dealer: Halliwell Jones North Wales BYD in Conwy. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-6b5a03924a8a

• The nearest: 2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, grey, 16 miles from this car. Mileage: 13,526 miles. Price: £24,249, £516 less than this car. Dealer: Motorpoint Peterborough in Peterborough. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-4e4885205153