2025 BYD Seal U

1.5 18.3kWh Design CVT 4WD Euro 6 (s/s) 5dr (319 bhp)

£26,299

Fair price: within 8% of the typical £26,366 for this model, age and mileage, drawing on 901 adverts of this make and model.

Overview

Make: BYD
Model: Seal U
Trim: DESIGN
Version: 1.5 18.3kWh Design CVT 4WD Euro 6 (s/s) 5dr (319 bhp)
Mileage: 6,834 miles
Year: 2025
Fuel type: Petrol Plug-in Hybrid
Body type: SUV
Engine: 1.5 L
Gearbox: Automatic
Power: 319 bhp
Seats: 5
CO2: 26 g/km
Colour: Black
Doors: 5
Driven wheels: Four Wheel Drive
Gearbox version: CVT
Engine badge: Design
Hybrid type: Plug-in hybrid
Emissions standard: Euro 6

About this car

This 2025 BYD Seal U Design has covered 6,834 miles. Our estimated market asking price is £26,366. This car is advertised at £26,299, which is £67 below that figure. To estimate its market asking price, we analyse UK dealer adverts for 901 BYD Seal U cars across different ages and specifications. Since we first spotted the advert 34 days ago, the asking price has dropped by £996. The seller is Thurlow Nunn, based in Lowestoft.

Stock data from 19 October 2026.

How we estimate prices and check cars

Price history

First seen on 17 September 2026, 34 days ago. Advert duration calculated on 21 October 2026. Net asking-price reduction: £996 from the first recorded £27,295. 4 price reductions recorded, the latest observed on 15 October 2026.

Recorded asking prices
Date observed	Asking price
17 September 2026	£27,295
29 September 2026	£26,900
6 October 2026	£26,799
10 October 2026	£26,499
15 October 2026	£26,299
19 October 2026	£26,299

Price and mileage comparison

Estimated market asking price: £26,366. The asking price is £67 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 901 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 1,200 miles lower 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
£23,299	21,111 miles
£23,850	11,501 miles
£23,899	14,969 miles
£24,055	11,123 miles

These cars have covered 10–21,111 miles, compared with 6,834 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

Thurlow Nunn, Lowestoft. Across the dealer network: 12 branches, 1,120 cars for sale.