2025 BYD Seal U

1.5 18.3kWh Boost CVT FWD Euro 6 (s/s) 5dr (214 bhp)

£25,495

Fair price: within 8% of the typical £25,188 for this model, age and mileage, drawing on 907 adverts of this make and model.

Overview

Make: BYD
Model: Seal U
Trim: BOOST
Version: 1.5 18.3kWh Boost CVT FWD Euro 6 (s/s) 5dr (214 bhp)
Mileage: 4,796 miles
Year: 2025
Fuel type: Petrol Plug-in Hybrid
Body type: SUV
Engine: 1.5 L
Gearbox: Automatic
Power: 214 bhp
Seats: 5
CO2: 20 g/km
Colour: White
Doors: 5
Driven wheels: Front Wheel Drive
Gearbox version: CVT
Engine badge: Boost
Hybrid type: Plug-in hybrid
Emissions standard: Euro 6

About this car

At 4,796 miles, this 2025 BYD Seal U Boost has covered about 3,300 fewer miles than other 2025 BYD Seal U cars. The dealer is asking £25,495, which is £308 above our market estimate of £25,188. Our estimate draws on 907 BYD Seal U adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 44 days ago. Its asking price has since fallen by £300. The seller is Hartwell Watford, based in Watford.

Stock data from 20 October 2026.

How we estimate prices and check cars

Price history

First seen on 7 September 2026, 44 days ago. Advert duration calculated on 21 October 2026. Net asking-price reduction: £300 from the first recorded £25,795. 1 price reduction recorded, the latest observed on 10 October 2026.

Recorded asking prices
Date observed	Asking price
7 September 2026	£25,795
10 October 2026	£25,495
20 October 2026	£25,495

Price and mileage comparison

Estimated market asking price: £25,188. The asking price is £308 above this estimate.

The estimate uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It estimates an advertised price, not a confirmed sale price.

The pricing calculation includes 907 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 3,300 miles lower than typical for a 2025 BYD Seal U.

MOT

MOT no details held by dvla.

96 other cars with the same year, trim, gearbox and fuel are for sale from £14,999 to £34,295.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£14,999	11,775 miles
£22,299	16,850 miles
£22,495	11,487 miles
£22,499	10,078 miles
£22,499	8,655 miles

These cars have covered 5–16,850 miles, compared with 4,796 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. Our estimate adjusts for these differences using the wider market data.

Browse all BYD Seal U cars for sale · 2025 BYD Seal U price guide

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Dealer

Hartwell Watford, Watford. Across the dealer network: 10 branches, 473 cars for sale.

Dealer postcode: WD18 7JS.