2025 BYD Seal U

1.5 DM-i Design Auto 4WD Euro 6 5dr (319 bhp)

£24,900

Fair price: within 8% of the typical £25,961 for this model, age and mileage, drawing on 907 adverts of this make and model.

Overview

Make: BYD
Model: Seal U
Trim: DESIGN
Version: 1.5 DM-i Design Auto 4WD Euro 6 5dr (319 bhp)
Mileage: 8,520 miles
Year: 2025
Fuel type: Petrol Plug-in Hybrid
Body type: SUV
Engine: 1.5 L
Gearbox: Automatic
Power: 319 bhp
Seats: 5
CO2: 23 g/km
Colour: White
Doors: 5
Driven wheels: Four Wheel Drive
Engine badge: Design
Hybrid type: Plug-in hybrid
Emissions standard: Euro 6

About this car

This 2025 BYD Seal U Design has covered 8,520 miles. Its asking price of £24,900 is £1,061 below our estimate of £25,961. The estimate uses 907 UK dealer adverts for the BYD Seal U, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 90 days ago. Its asking price has since fallen by £3,700. It may give you a starting point for a conversation about price. The seller is Marshall BYD Northampton, based in Northampton.

Stock data from 20 October 2026.

How we estimate prices and check cars

Price history

First seen on 23 July 2026, 90 days ago. Advert duration calculated on 21 October 2026. Net asking-price reduction: £3,700 from the first recorded £28,600. 10 price reductions recorded, the latest observed on 17 October 2026.

Recorded asking prices
Date observed	Asking price
23 July 2026	£28,600
24 July 2026	£28,600
25 July 2026	£28,000
26 July 2026	£28,000
7 August 2026	£27,500
8 August 2026	£27,500
21 August 2026	£26,800
28 August 2026	£26,400
2 September 2026	£26,300
8 September 2026	£25,600
11 September 2026	£25,300
17 September 2026	£25,100
18 September 2026	£25,500
1 October 2026	£25,800
2 October 2026	£25,100
17 October 2026	£24,900
20 October 2026	£24,900

Price and mileage comparison

Estimated market asking price: £25,961. The asking price is £1,061 below 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 500 miles higher than typical for a 2025 BYD Seal U.

MOT

MOT no details held by dvla.

69 other cars with the same year, trim, gearbox and fuel are for sale from £19,440 to £39,195.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£19,440	2,600 miles
£23,199	21,111 miles
£23,850	11,501 miles
£23,899	14,969 miles
£23,997	10,400 miles

These cars have covered 10–21,111 miles, compared with 8,520 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

Marshall BYD Northampton, Northampton. Across the dealer network: 129 branches, 4,150 cars for sale.

Dealer postcode: NN1 5NS.

Dealer opening hours

Monday: 08:30-18:00
Tuesday: 08:30-18:00
Wednesday: 08:30-18:00
Thursday: 08:30-18:00
Friday: 08:30-18:00
Saturday: 08:30-17:00
Sunday: 10:30-16:30