2025 BYD Seal U

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

£23,900

Fair price: within 8% of the typical £25,375 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: 3,321 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: Grey
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

This 2025 BYD Seal U Boost has covered 3,321 miles, around 4,700 fewer than typical for its age. Its asking price of £23,900 is £1,475 below our estimate of £25,375. Our estimate draws on 901 BYD Seal U adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first saw this car advertised 28 days ago. Its asking price has since fallen by £600. The seller is Sytner Select Swindon, based in Swindon.

Stock data from 19 October 2026.

How we estimate prices and check cars

Price history

First seen on 22 September 2026, 28 days ago. Advert duration calculated on 20 October 2026. Net asking-price reduction: £600 from the first recorded £24,500. 1 price reduction recorded, the latest observed on 15 October 2026.

Recorded asking prices
Date observed	Asking price
22 September 2026	£24,500
15 October 2026	£23,900
19 October 2026	£23,900

Price and mileage comparison

Estimated market asking price: £25,375. The asking price is £1,475 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 4,700 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 3,321 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

Sytner Select Swindon, Swindon. Across the dealer network: 140 branches, 10,310 cars for sale.

Dealer postcode: SN3 3BW.

Dealer opening hours

Monday: 09:00-21:00
Tuesday: 09:00-21:00
Wednesday: 09:00-21:00
Thursday: 09:00-21:00
Friday: 09:00-21:00
Saturday: 09:00-18:30
Sunday: 11:00-17:00