2025 BYD Seal U 1.5 Design

Version: 1.5 DM-i Design Auto 4WD Euro 6 5dr (319 bhp)

Price: £24,000. Fair price: £1,428 (5%) under the AskCar estimate of £25,428, our expected asking price for this car from its model, age, mileage and specification, drawing on 919 priced BYD Seal U adverts on AskCar as of 30 October 2026.

AskCar lists 927 used BYD Seal U from 155 UK dealerships, as of 30 October 2026.

Overview

Make
BYD
Model
Seal U
Trim
Design
Version
1.5 DM-i Design Auto 4WD Euro 6 5dr (319 bhp)
Mileage
10,055 miles
Year
2025
Fuel type
Plug-in hybrid (petrol)
Body type
SUV
Engine
1.5 L
Gearbox
Automatic
Power
319 bhp
Seats
5
CO2
23 g/km
Colour
Blue
Doors
5
Driven wheels
Four Wheel Drive
Engine badge
Design
Hybrid type
Plug-in hybrid
Emissions standard
Euro 6

About this car

This 2025 BYD Seal U Design has covered 10,055 miles. Its asking price of £24,000 is £1,428 below the AskCar estimate of £25,428. To work out the AskCar estimate, we analyse UK dealer adverts for 919 BYD Seal U cars across different ages and specifications. Since we first spotted the advert 97 days ago, the asking price has dropped by £3,700. That history is worth bearing in mind when speaking to the dealer. The seller is Marshall BYD Ashford, based in Ashford.

Stock data as of 30 October 2026.

How we estimate prices and check cars

Price history

AskCar first saw this advert on 25 July 2026, 97 days ago. Price reduced by £3,700 from £27,700 since AskCar first saw it. 15 price reductions recorded, the latest seen on 29 October 2026.

Recorded asking prices
Date observedAsking price
25 July 2026£27,700
26 July 2026£27,700
11 August 2026£27,200
12 August 2026£27,200
13 August 2026£27,000
14 August 2026£27,000
18 August 2026£26,900
21 August 2026£26,800
22 August 2026£26,600
28 August 2026£26,400
2 September 2026£26,100
8 September 2026£25,400
17 September 2026£25,300
25 September 2026£25,000
2 October 2026£24,600
8 October 2026£24,400
17 October 2026£24,300
24 October 2026£24,200
29 October 2026£24,000
30 October 2026£24,000

Price and mileage comparison

Fair price: £1,428 (5%) under the AskCar estimate of £25,428.

The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.

It draws on 919 priced BYD Seal U adverts across different ages and specifications, as of 30 October 2026.

Advertised mileage is about 1,800 miles higher than the median mileage of a 2025 BYD Seal U on AskCar.

MOT

MOT: first test not yet due.

Other matching cars

68 other 2025 BYD Seal U Design automatic plug-in hybrids (petrol) are for sale at UK dealers from £18,990 to £39,195, as of 30 October 2026.

The 5 cheapest:

The 68 matching cars have covered 10 to 21,111 miles, compared with 10,055 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. The AskCar estimate adjusts for these differences.

Browse all BYD Seal U cars for sale · 2025 BYD Seal U price guide

More like this

Photos

30 photos of this car are on its AskCar page.

How to contact the dealer and its opening hours are on this AskCar page.

As of 30 October 2026, AskCar lists 580,490 cars and vans from 12,695 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.