2025 BYD Seal 6

1.5 DM-i Boost CVT FWD Euro 6 5dr e (181 bhp)

£20,990

Fair price: within 8% of the typical £21,661 for this model, age and mileage, drawing on 176 adverts of this make and model.

Overview

Make: BYD
Model: Seal 6
Trim: BOOST
Version: 1.5 DM-i Boost CVT FWD Euro 6 5dr e (181 bhp)
Mileage: 7,915 miles
Year: 2025
Fuel type: Petrol Plug-in Hybrid
Body type: Estate
Engine: 1.5 L
Gearbox: Automatic
Power: 181 bhp
Seats: 5
CO2: 60 g/km
Colour: Beige
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 7,915 miles, this 2025 BYD Seal 6 Boost has covered about 2,800 more miles than other 2025 BYD Seal 6 cars. Our estimated market asking price is £21,661. This car is advertised at £20,990, which is £671 below that figure. Our estimate draws on 176 BYD Seal 6 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 146 days ago, the asking price has dropped by £4,500. That history is worth bearing in mind when speaking to the dealer. The seller is Marshall BYD Maidstone, based in Maidstone.

Stock data from 20 October 2026.

How we estimate prices and check cars

Price history

First seen on 28 May 2026, 146 days ago. Advert duration calculated on 21 October 2026. Net asking-price reduction: £4,500 from the first recorded £25,490. 3 price reductions recorded, the latest observed on 20 October 2026.

Recorded asking prices
Date observed	Asking price
28 May 2026	£25,490
6 June 2026	£25,290
6 July 2026	£25,290
5 October 2026	£21,490
20 October 2026	£20,990

Price and mileage comparison

Estimated market asking price: £21,661. The asking price is £671 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 176 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 2,800 miles higher than typical for a 2025 BYD Seal 6.

MOT

MOT no details held by dvla.

61 other cars with the same year, trim, gearbox and fuel are for sale from £19,960 to £34,695.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£19,960	10,273 miles
£19,995	9,999 miles
£19,999	8,631 miles
£20,350	4,484 miles
£20,400	3,118 miles

These cars have covered 10–12,179 miles, compared with 7,915 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 6 cars for sale · 2025 BYD Seal 6 price guide

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Dealer

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

Dealer postcode: ME15 9XY.

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