2025 BYD Seal U

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

£25,790

Fair price: within 8% of the typical £26,200 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
7,504 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
Grey
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 7,504 miles. The dealer is asking £25,790, which is £410 below our market estimate of £26,200. 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 50 days ago, the asking price has dropped by £1,205. 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 31 August 2026, 50 days ago. Advert duration calculated on 20 October 2026. Net asking-price reduction: £1,205 from the first recorded £26,995. 4 price reductions recorded, the latest observed on 11 October 2026.

Recorded asking prices
Date observedAsking price
31 August 2026£26,995
11 September 2026£26,900
20 September 2026£26,770
29 September 2026£25,990
11 October 2026£25,790
19 October 2026£25,790

Price and mileage comparison

Estimated market asking price: £26,200. The asking price is £410 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 500 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 priceMileage
£19,4402,600 miles
£23,29921,111 miles
£23,85011,501 miles
£23,89914,969 miles
£24,05511,123 miles

These cars have covered 10–21,111 miles, compared with 7,504 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

Vehicle photos