2026 BYD Sealion 7

Design Auto 4WD 5dr (522 bhp)

£39,744

Fair price: within 8% of the typical £36,807 for this model, age and mileage, drawing on 159 adverts of this make and model.

Overview

Make: BYD
Model: Sealion 7
Trim: DESIGN
Version: Design Auto 4WD 5dr (522 bhp)
Mileage: 3,999 miles
Year: 2026
Fuel type: Electric
Body type: SUV
Gearbox: Automatic
Power: 522 bhp
Seats: 5
CO2: 0 g/km
Colour: Black
Doors: 5
Driven wheels: Four Wheel Drive
Engine badge: Design
Emissions standard: Euro 6

About this car

This 2026 BYD Sealion 7 Design is advertised with 3,999 miles on the clock. The dealer is asking £39,744, which is £2,937 above our market estimate of £36,807. Our estimate draws on 159 BYD Sealion 7 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. Since we first spotted the advert 63 days ago, the asking price has dropped by £1,244. That may be worth mentioning if you discuss the price with the dealer. The seller is Drayton Motors Kia Boston, based in Boston.

Stock data from 20 October 2026.

How we estimate prices and check cars

Price history

First seen on 19 August 2026, 63 days ago. Advert duration calculated on 21 October 2026. Net asking-price reduction: £1,244 from the first recorded £40,988. 2 price reductions recorded, the latest observed on 30 September 2026.

Recorded asking prices
Date observed	Asking price
19 August 2026	£40,988
20 August 2026	£41,887
12 September 2026	£39,887
30 September 2026	£39,744
20 October 2026	£39,744

Price and mileage comparison

Estimated market asking price: £36,807. The asking price is £2,937 above 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 159 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 100 miles lower than typical for a 2026 BYD Sealion 7.

MOT

MOT no details held by dvla.

26 other cars with the same year, trim, gearbox and fuel are for sale from £33,710 to £45,495.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£33,710	10,087 miles
£34,499	5,998 miles
£34,777	7,250 miles
£34,989	4,788 miles
£34,999	10,187 miles

These cars have covered 1–10,187 miles, compared with 3,999 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 Sealion 7 cars for sale · 2026 BYD Sealion 7 price guide

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Dealer

Drayton Motors Kia Boston, Boston. Across the dealer network: 6 branches, 667 cars for sale.

Dealer postcode: PE21 7HW.