BYD Sealion 7 used • 135 cars price-checked by AutoUncle

Market overviewUsed BYD Sealion 7 prices typically range from £35,950 to £56,995, averaging £43,911 (according to fresh market data from December). The most popular BYD Sealion 7 variants right now are Design, Comfort. We have identified 40 cars priced below the market. The average selling time for used BYD Sealion 7 is currently 40 days.

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How much does the BYD Sealion 7 depreciate?

Used BYD Sealion 7

A used BYD Sealion 7 (2025) model loses about £767 per month in value.


Factors that affect the depreciation of a BYD Sealion 7:
- Mileage driven
- Maintenance
- Service history


Depreciation is an important part of calculating the total cost of owning a BYD Sealion 7. In addition to the monthly depreciation of £767, you should also factor in fuel costs, road tax, insurance and maintenance (including tyres and car washes) to get the full monthly cost.

How much does a used BYD Sealion 7 cost? Prices, ratings and depreciation by model year

How much does a used BYD Sealion 7 cost? Prices, ratings and depreciation by model year

Model year

Price range*

Avg. Price

Depreciation
(12 mth.)

Cars for sale

2025 BYD Sealion 7

£35,950 - £56,995£43,911-£9,200135

*The 'Price range' column shows the prices at the 5th and 95th percentiles of cars in the current market

The data is based on the cars currently listed on AutoUncle

Last updated: 14 December 2025

Comparison of BYD Sealion 7 variants and prices

Below you can compare prices and depreciation for the 2 most popular BYD Sealion 7 variants. The table is updated daily with data from the market in United Kingdom.

Comparison of BYD Sealion 7 variants and prices

Variant

Price range*

Avg. Price

Depreciation
(12 mth.)

Cars for sale

🏆 The most popular

BYD Sealion 7 Design

£37,500 - £51,113£43,516-£7,70054
💰 The budget choice

BYD Sealion 7 Comfort

£34,995 - £46,574£40,445-£4,26031

*The 'Price range' column shows the prices at the 5th and 95th percentiles of cars in the current market

The data is based on the cars currently listed on AutoUncle

Last updated: 14 December 2025

Which variant should you choose?

💰 The budget choice

The Comfort is the cheapest entry point with an average price of £40,445.

🏆 The most popular

There are the most Design for sale right now (54), which gives you the most options to choose from.

📈 The best value

The Comfort has held its price stable with minimal loss in value over the past year (-£4,260).

BYD Sealion 7 (model year 2025) - Price development for the last 7 months and price projection for the next 6 months (May 2025 - May 2026)

Monthly price data with average prices and price ranges

Month

Average market price

Lowest market price

Highest market price

Calculation method

2025 - May
£53,160
£50,000£56,320
Estimate
2025 - June
£48,160
£45,080£51,240
Estimate
2025 - July
£47,740
£44,180£51,320
Estimate
2025 - August
£45,320
£41,080£49,540
Estimate
2025 - September
£44,700
£41,080£48,320
Estimate
2025 - October
£44,260
£40,360£48,180
Estimate
2025 - November
£43,960
£39,740£48,180
Estimate
2026 - January
£42,280
--
Forecast
2026 - February
£41,440
--
Forecast
2026 - March
£40,600
--
Forecast
2026 - April
£39,760
--
Forecast
2026 - May
£38,920
--
Forecast

All estimates and forecasts are based on actual market data

Last updated: 14 December 2025

Average Monthly Depreciation

A summary of the past 12 and an estimation of the next 6 months.

Past 12 months

-£9,200

Next 6 months

-£5,040

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Looking for a used BYD Sealion 7?

Are you interested in purchasing a used ? The BYD Sealion 7 is a great pick. AutoUncle present 98 options gathered from numerous dealership websites and online marketplaces.

How much is a pre-owned BYD Sealion 7 worth?

The cheapest BYD Sealion 7 that is available here on AutoUncle costs £35,790, while the most expensive model is priced at £56,595.

A pre-owned BYD Sealion 7 can cost different based on mainly five factors: year of production, engine size and performance, the car's fuel efficiency, car mileage and the equipment level of the car.

As an example, a newer model with fewer miles covered, or a high-end version boasting a potent engine, often fetches a top-tier price than, for example, an older car without special equipment and with many kilometres behind it.

How many trim levels are available for the BYD Sealion 7?

The BYD Sealion 7 comes in two unique equipment variants:

  • BYD Sealion 7 Design: Right now you will find 45 cars for sale at an average price of £43,988)
  • [BYD Sealion 7 Comfort]https://www.autouncle.co.uk/en-gb/used-cars/BYD/Sealion%207/t-Comfort: 26 cars for sale at an average price of £40,741

As you examine the price of a used BYD Sealion 7, it's necessary to examine vehicles sharing identical trim level. Otherwise, you might draw an inaccurate conclusion about which car to purchase.

In which fuel variants is the BYD Sealion 7 offered?

Only el is offered as a fuel choice for the BYD Sealion 7. Right now we have ninety-eight cars for sale at an average price of £44,300.

Before deciding on a fuel type to buy, we highly recommend taking some time to consider your current driving habits. What's your typical weekly driving mileage? Are your trips usually short or do they cover longer distances?

If you primarily drive short distances, electric, plug-in hybrid or petrol is typically a good fit. For longer commutes, a newer electric car is a good alternative - especially with access to charging. For longer daily commutes, a modern electric car is often suitable - especially if you can charge at home or at work. For those who drive long distances and don't have access to charging, diesel cars can still be an option. It's important to consider that in some countries, diesel engines with high emissions are prohibited from entering cities.

More and more people are choosing electric cars over traditional ones

Increased consumer focus on sustainability has resulted in a growth in popularity for electric cars in the United Kingdom, as these offer reduced CO2 emissions, faster acceleration, and increased comfort. The embrace of hybrid vehicles like the BYD Sealion 7 is essential in the progression towards more green and sustainable transport solutions.

Advantages of purchasing a pre-owned electric car

Numerous advantages exist for purchasing a used electric car. Benefits such as:

  1. Lower purchase price: Used electric cars are generally cheaper than new ones. The reduced pricing of these vehicles extends the reach of electric vehicle technology to more buyers.

  2. Environmental impact: Preferring a used electric car to a new one additionally reduces environmental effects. The manufacture of a new automobile, especially its battery, generates a considerable amount of carbon emissions. Opting for a used car means you're not partaking in this ecological impact.

  3. Improved battery life: The concern about battery life in EVs has lessened as technology has improved. Many used electric vehicles retain a significant part of their battery lifespan, with replacement expenses on the decline.

  4. Performance and technology: A significant number of modern electric vehicles come equipped with superior performance and innovative technology. Even vehicles a few years old are capable of offering a state-of-the-art driving experience.

  5. Government incentives: Though not to the extent of new electric vehicles, there's a possibility of government inducements for used electric vehicles, including lesser road tax and access to areas with restricted emissions.

Are there different body versions of BYD Sealion 7?

The BYD Sealion 7 is only offered in the SUV body type in the UK. SUV is short for Sport Utility Vehicle, and this is easily one of the most popular cars on the market today. The style is versatile, and the ride height is higher than traditional cars, which is a key selling point.

Curious about what other alternatives are available?

The BYD Sealion 7 has various competing cars from the same segment.

Preferred alternatives to the BYD Sealion 7

  • Ford Puma Gen-E
  • Ford Transit Custom
  • VW T6.1

With a selection of 6,001 available models on AutoUncle, the Ford Puma Gen-E clearly stands out as the top alternative to the BYD Sealion 7. On average, the Ford Puma Gen-E costs £16,790.

The Ford Transit Custom is another popular pick, with 5,587 cars currently for sale and an average price of £15,995. The VW T6.1 is the third best alternative. There are currently 1,663 of this car for sale in the UK with an average sales price of £32,289.

All trim level for BYD Sealion 7