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: 1,001 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: Grey
• CO2: 20 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2026 BYD Seal U Boost is advertised with 1,001 miles on the clock. Priced at £25,998, it is advertised £1,323 below the AskCar estimate of £27,321. 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 21 days ago, and its asking price has since fallen by £1,000. The seller is Arnold Clark Edinburgh Seafield Kia / BYD, based in Edinburgh. 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: £1,323 (4%) under the AskCar estimate of £27,321.

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 21 days.

Price history

AskCar first saw this advert on 14 October 2026 at £26,998. Its asking price is now £25,998, £1,000 less. The latest price cut was seen on 29 October 2026.

Price changes recorded:

• 14 October 2026: £26,998
• 23 October 2026: £26,498
• 29 October 2026: £25,998

Mileage and MOT

MOT: first test not yet due.

Advertised mileage is about 1,000 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, blue. Mileage: 884 miles. Price: £26,850, £852 more than this car. Dealer: Lookers BYD Sheffield in Sheffield. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-38705171fed0
• 2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, white. Mileage: 562 miles. Price: £29,900, £3,902 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, blue. Mileage: 1,500 miles. Price: £26,990, £992 more than this car. Dealer: All Electric BYD Stourbridge in Stourbridge. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-a3080a48caa5

• The nearest: 2026 BYD Seal U Boost, 1.5 plug-in hybrid SUV, grey, under a mile from this car. Mileage: 5 miles. Price: £33,495, £7,497 more than this car. Dealer: Arnold Clark Edinburgh Seafield Kia / BYD in Edinburgh. AskCar page: https://askcar.co.uk/car/byd-seal-u-2026-11bff3b78e25