2026 BYD Seal U

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

£29,450

Fair price: within 8% of the typical £29,498 for this model, age and mileage, drawing on 907 adverts of this make and model.

Overview

Make: BYD
Model: Seal U
Trim: DESIGN
Version: 1.5 DM-i Design Auto 4WD Euro 6 5dr (319 bhp)
Mileage: 4,000 miles
Year: 2026
Fuel type: Petrol Plug-in Hybrid
Body type: SUV
Engine: 1.5 L
Gearbox: Automatic
Power: 319 bhp
Seats: 5
CO2: 23 g/km
Colour: Grey
Doors: 5
Driven wheels: Four Wheel Drive
Engine badge: Design
Hybrid type: Plug-in hybrid
Emissions standard: Euro 6

About this car

This 2026 BYD Seal U Design has covered 4,000 miles, around 4,000 more than typical for its age. Our estimated market asking price is £29,498. This car is advertised at £29,450, which is £48 below that figure. To estimate its market asking price, we analyse UK dealer adverts for 907 BYD Seal U cars across different ages and specifications. We first recorded this advert 45 days ago, and its asking price has since fallen by £1,050. You can find this car at Marshall BYD St Neots in St. Neots.

Stock data from 20 October 2026.

How we estimate prices and check cars

Price history

First seen on 6 September 2026, 45 days ago. Advert duration calculated on 21 October 2026. Net asking-price reduction: £1,050 from the first recorded £30,500. 1 price reduction recorded, the latest observed on 17 October 2026.

Recorded asking prices
Date observed	Asking price
6 September 2026	£30,500
17 October 2026	£29,450
20 October 2026	£29,450

Price and mileage comparison

Estimated market asking price: £29,498. The asking price is £48 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 907 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 4,000 miles higher than typical for a 2026 BYD Seal U.

MOT

MOT no details held by dvla.

45 other cars with the same year, trim, gearbox and fuel are for sale from £24,995 to £39,195.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£24,995	15,998 miles
£25,500	9,362 miles
£25,990	9,570 miles
£26,795	3,586 miles
£26,799	7,999 miles

These cars have covered 1–15,998 miles, compared with 4,000 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 · 2026 BYD Seal U price guide

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Dealer

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

Dealer postcode: PE19 6YH.

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