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: 884 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 has covered 884 miles. Priced at £26,850, it is advertised £572 below the AskCar estimate of £27,422. 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 advert 55 days ago, and its asking price has since fallen by £1,145. The seller is Lookers BYD Sheffield, based in Sheffield. 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: £572 (2%) under the AskCar estimate of £27,422.

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 55 days.

Price history

AskCar first saw this advert on 10 September 2026 at £27,995. Its asking price is now £26,850, £1,145 less. The latest price cut was seen on 29 October 2026.

Price changes recorded:

• 10 September 2026: £27,995
• 15 September 2026: £27,796
• 22 September 2026: £27,755
• 26 September 2026: £27,388
• 30 September 2026: £27,187
• 6 October 2026: £27,131
• 10 October 2026: £27,000
• 15 October 2026: £26,995
• 20 October 2026: £26,925
• 24 October 2026: £26,920
• 29 October 2026: £26,850

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 1,100 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, £852 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, white. Mileage: 562 miles. Price: £29,900, £3,050 more than this car. Dealer: John Clark BYD Inverness in Inverness. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-ed78f1b9bcb3
• 2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, white. Mileage: 421 miles. Price: £26,702, £148 less than this car. Dealer: Vertu BYD Hartlepool in Hartlepool. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-c5b17ffa7ab0

• The nearest: 2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, white, 22 miles from this car. Mileage: 9,403 miles. Price: £23,995, £2,855 less than this car. Dealer: Evans Halshaw BYD Mansfield in Mansfield. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-4984b4d1c31a