2026 BYD Sealion 7

Design Auto 4WD 5dr (522 bhp)

£34,499

Fair price: within 8% of the typical £36,267 for this model, age and mileage, drawing on 161 adverts of this make and model.

Overview

Make: BYD
Model: Sealion 7
Trim: DESIGN
Version: Design Auto 4WD 5dr (522 bhp)
Mileage: 5,998 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

The advertised mileage for this 2026 BYD Sealion 7 Design is 5,998 miles. At £34,499, it is advertised £1,768 below our estimated market asking price of £36,267. Our estimate draws on 161 BYD Sealion 7 adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this advert 145 days ago, and its asking price has since fallen by £4,000. That may be worth mentioning if you discuss the price with the dealer. The seller is SG Petch Durham, based in Durham.

Stock data from 19 October 2026.

How we estimate prices and check cars

Price history

First seen on 28 May 2026, 145 days ago. Advert duration calculated on 20 October 2026. Net asking-price reduction: £4,000 from the first recorded £38,499. 4 price reductions recorded, the latest observed on 7 October 2026.

Recorded asking prices
Date observed	Asking price
28 May 2026	£38,499
10 July 2026	£38,499
8 September 2026	£36,299
11 September 2026	£35,999
30 September 2026	£34,999
7 October 2026	£34,499
19 October 2026	£34,499

Price and mileage comparison

Estimated market asking price: £36,267. The asking price is £1,768 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 161 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 2,000 miles higher than typical for a 2026 BYD Sealion 7.

MOT

MOT no details held by dvla.

25 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
£34,777	7,250 miles
£34,989	4,788 miles
£34,999	10,187 miles
£35,150	8,575 miles

These cars have covered 1–10,187 miles, compared with 5,998 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

SG Petch Durham, Durham. Across the dealer network: 6 branches, 700 cars for sale.

Dealer postcode: DH1 1HP.

Dealer opening hours

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