2025 BYD Seal

82.5kWh Design Auto RWD 4dr (308 bhp)

£29,950

Fair price: within 8% of the typical £30,042 for this model, age and mileage, drawing on 163 adverts of this make and model.

Overview

Make: BYD
Model: Seal
Trim: DESIGN
Version: 82.5kWh Design Auto RWD 4dr (308 bhp)
Mileage: 5,383 miles
Year: 2025
Fuel type: Electric
Body type: Saloon
Gearbox: Automatic
Power: 308 bhp
Seats: 5
CO2: 0 g/km
Colour: Grey
Doors: 4
Driven wheels: Rear Wheel Drive
Engine badge: Design
Emissions standard: Euro 6

About this car

The advertised mileage for this 2025 BYD Seal Design is 5,383 miles. Our estimated market asking price is £30,042. This car is advertised at £29,950, which is £92 below that figure. The estimate uses 163 UK dealer adverts for the BYD Seal, with adjustments for age, mileage, trim, engine and other specifications. We first recorded this advert 37 days ago, and its asking price has since fallen by £500. The seller is Donnelly BYD Ballymena, based in Ballymena.

Stock data from 19 October 2026.

How we estimate prices and check cars

Price history

First seen on 13 September 2026, 37 days ago. Advert duration calculated on 20 October 2026. Net asking-price reduction: £500 from the first recorded £30,450. 1 price reduction recorded, the latest observed on 10 October 2026.

Recorded asking prices
Date observed	Asking price
13 September 2026	£30,450
10 October 2026	£29,950
19 October 2026	£29,950

Price and mileage comparison

Estimated market asking price: £30,042. The asking price is £92 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 163 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.

MOT

MOT no details held by dvla.

19 other cars with the same year, trim, gearbox and fuel are for sale from £26,999 to £43,295.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£26,999	18,000 miles
£27,700	11,460 miles
£27,732	11,541 miles
£27,999	9,212 miles
£27,999	6,150 miles

These cars have covered 15–18,000 miles, compared with 5,383 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 cars for sale · 2025 BYD Seal price guide

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Dealer

Donnelly BYD Ballymena, Ballymena. Across the dealer network: 32 branches, 1,247 cars for sale.

Dealer postcode: BT42 2HD.

Dealer opening hours

Monday: 08:30-17:30
Tuesday: 08:30-17:30
Wednesday: 08:30-17:30
Thursday: 08:30-19:30
Friday: 08:30-17:30
Saturday: 09:00-13:00
Sunday: Closed