2025 BYD Seal U

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

£24,490

Fair price: within 8% of the typical £24,683 for this model, age and mileage, drawing on 901 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: 6,945 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

The advertised mileage for this 2025 BYD Seal U Boost is 6,945 miles. At £24,490, it is advertised £193 below our estimated market asking price of £24,683. We use UK dealer asking prices, including 901 BYD Seal U listings, and account for the car’s age, mileage and specification. Since we first spotted the advert 18 days ago, the asking price has dropped by £205. The seller is Grainger Motor Group Mantles BYD Royston, based in Royston.

Stock data from 19 October 2026.

How we estimate prices and check cars

Price history

First seen on 2 October 2026, 18 days ago. Advert duration calculated on 20 October 2026. Net asking-price reduction: £205 from the first recorded £24,695. 2 price reductions recorded, the latest observed on 18 October 2026.

Recorded asking prices
Date observed	Asking price
2 October 2026	£24,695
11 October 2026	£24,600
18 October 2026	£24,490
19 October 2026	£24,490

Price and mileage comparison

Estimated market asking price: £24,683. The asking price is £193 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 1,100 miles lower than typical for a 2025 BYD Seal U.

MOT

MOT no details held by dvla.

103 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
£22,495	11,487 miles
£22,599	10,078 miles
£22,599	8,655 miles
£23,053	9,880 miles

These cars have covered 5–15,061 miles, compared with 6,945 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

Grainger Motor Group Mantles BYD Royston, Royston. Across the dealer network: 21 branches, 740 cars for sale.

Dealer postcode: SG8 5HJ.

Dealer opening hours

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