2026 BYD Seal U

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

£23,600

Fair price: within 8% of the typical £24,252 for this model, age and mileage, drawing on 908 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: 10,994 miles
Year: 2026
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: Black
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 2026 BYD Seal U Boost is advertised with 10,994 miles, approximately 10,600 above the typical mileage for its age. At £23,600, it is advertised £652 below our estimated market asking price of £24,252. We use UK dealer asking prices, including 908 BYD Seal U listings, and account for the car’s age, mileage and specification. Since we first spotted the advert 6 days ago, the asking price has dropped by £700. The seller is Marshall BYD Northampton, based in Northampton.

Stock data from 26 October 2026.

How we estimate prices and check cars

Price history

First seen on 21 October 2026, 6 days ago. Advert duration calculated on 27 October 2026. Net asking-price reduction: £700 from the first recorded £24,300. 1 price reduction recorded, the latest observed on 24 October 2026.

Recorded asking prices
Date observed	Asking price
21 October 2026	£24,300
24 October 2026	£23,600
26 October 2026	£23,600

Price and mileage comparison

Estimated market asking price: £24,252. The asking price is £652 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 908 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 10,600 miles higher than typical for a 2026 BYD Seal U.

MOT

MOT no details held by dvla.

260 other cars with the same year, trim, gearbox and fuel are for sale from £22,820 to £34,595.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£22,820	12,765 miles
£22,995	14,485 miles
£23,250	12,348 miles
£23,299	9,270 miles
£23,386	12,843 miles

These cars have covered 1–15,698 miles, compared with 10,994 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

Vehicle photos

AskCar lists 579,238 cars from 12,980 UK dealer locations, read and updated daily from dealer websites. More than any other UK site. No dealer pays to be listed.