BMW M340 Valuation: 409 used car listings analysed

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How much does the BMW M340 depreciate?

Used BMW M340

A used BMW M340 (2021) model loses about £440 per month in value.


Factors that affect the depreciation of a BMW M340:
- Mileage driven
- Maintenance
- Service history


Depreciation is an important part of calculating the total cost of owning a BMW M340. In addition to the monthly depreciation of £440, 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 BMW M340 cost? Prices, ratings and depreciation by model year

How much does a used BMW M340 cost? Prices, ratings and depreciation by model year

Model year

Price range*

Avg. Price

Median Mileage

Depreciation
(12 mth.)

Cars for sale

2025 BMW M340

£42,884 - £84,660£56,0377,200 miles-£74031

2026 BMW M340

£47,800 - £60,350£52,9114,000 miles-£6,58059

2024 BMW M340

£35,224 - £48,988£42,13121,700 miles-£5,06068

2023 BMW M340

£33,315 - £46,499£39,64729,000 miles-£7,04051

2022 BMW M340

£27,850 - £39,997£34,44238,200 miles-£4,60066

2020 BMW M340

£24,546 - £39,800£32,29245,500 miles-£2,84032

2019 BMW M340

£25,310 - £37,607£31,85337,900 miles-£86010

2021 BMW M340

£22,995 - £36,696£28,92756,400 miles-£5,28092

*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

Comparison of BMW M340 variants and prices

Below you can compare prices and depreciation for the 6 most popular BMW M340 variants. The table is updated daily with data from the market in United Kingdom.

Comparison of BMW M340 variants and prices

Variant

Price range*

Avg. Price

Median Mileage

Depreciation
(12 mth.)

Cars for sale

🏆 The most popular

BMW M340 M Sport

£26,796 - £61,850£41,65824,000 miles+£540245

BMW M340 M Performance

£28,182 - £50,193£40,02832,900 miles-13

BMW M340 Comfort Edition

£24,167 - £46,482£37,16635,200 miles-£3,24088

BMW M340 Shadowline

£24,999 - £43,060£35,02530,100 miles-£1,98037

BMW M340 Sport Line

£22,673 - £32,104£26,80967,900 miles-£2,340< 10
💰 The budget choice

BMW M340 Performance

£23,144 - £28,951£25,58855,800 miles-< 10

*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

Which variant should you choose?

💰 The budget choice

The Performance is the cheapest entry point with an average price of £25,588.

Accuracy will improve as more cars from this variant become available

🏆 The most popular

There are the most M Sport for sale right now (245), which gives you the most options to choose from.

📈 The best value

The M Sport has held its price stable with minimal loss in value over the past year (+£540).

BMW M340 (model year 2021) - Price development for the last 12 months and price projection for the next 6 months (November 2025 - April 2027)

Monthly price data with average prices and price ranges

Month

Average market price

Lowest market price

Highest market price

Calculation method

2025 - November
£34,280
£30,400£38,140
Estimate
2025 - December
£34,500↗
£30,780£38,220
Estimate
2026 - January
£35,340↗
£31,380£39,320
Estimate
2026 - February
£34,560↘
£31,000£38,100
Estimate
2026 - March
£34,000↘
£30,480£37,520
Estimate
2026 - April
£33,420↘
£29,820£37,020
Estimate
2026 - May
£32,180↘
£29,060£35,280
Estimate
2026 - June
£31,240↘
£28,320£34,140
Estimate
2026 - July
£30,740↘
£27,900£33,580
Estimate
2026 - August
£30,200↘
£27,520£32,880
Estimate
2026 - September
£29,800↘
£27,200£32,400
Estimate
2026 - October
£29,000↘
£26,480£31,540
Estimate
2026 - December
£27,740↘
--
Forecast
2027 - January
£27,100↘
--
Forecast
2027 - February
£26,460↘
--
Forecast
2027 - March
£25,840↘
--
Forecast
2027 - April
£25,200↘
--
Forecast

All estimates and forecasts are based on actual market data

Average Monthly Depreciation

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

Past 12 months

-£5,280

Next 6 months

-£3,800

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Looking for information on a used BMW M340?

Are you thinking of buying a used large sized family car? Then the BMW M340 is an excellent choice. On AutoUncle, you can find 390 used BMW M340s for sale in the UK gathered from different dealership websites and online marketplaces.

What is the price of a used BMW M340?

A used BMW M340 costs between £27,490 for the cheapest variant and £57,500 for the most expensive model.

The cost of a pre-owned BMW M340 is determined by several factors. Key contributing elements include the year of manufacture, engine size and power, the car's fuel economy, how many miles it has travelled not to mention equipment variant.

For instance, a more recent model with limited mileage, or a premium variant featuring a powerful engine, typically commands a higher price than an earlier version with less equipment and higher mileage.

How many trim levels are available for the BMW M340?

While evaluating the cost of a pre-owned BMW M340, it's crucial to examine vehicles that have the same engines and features. If you don't, you might draw an inaccurate conclusion about which car to buy.

Which fuel types does the BMW M340 come with?

For the BMW M340, petrol is the most favored fuel.

Price difference between the most popular fuel options for BMW M340:

  • BMW M340 petrol: 206 cars currently available with an average price of £43,368
  • BMW M340 diesel: 112 cars currently available with an average price of £37,021
  • BMW M340 plug-in hybrid: Currently there is 72 cars available on AutoUncle with an average price of £40,069

Your driving behavior is an important aspect to consider when selecting a fuel type. What's your typical weekly driving mileage? Are your trips usually short or do they cover longer distances?

For short trips, range is rarely a limitation, so electric, plug-in hybrid or petrol can be fine. For longer daily journeys, consider an electric car, especially if you have the option to charge at home or at work. For longer daily commutes, a modern electric car is often suitable - especially if you can charge at home or at work. Diesel cars can still make sense if you drive very far and don't have access to charging. It's important to consider that in some countries, diesel engines with high emissions are prohibited from entering cities.

In which different body variants are the BMW M340 available?

The BMW M340 only exists in the sedan body type in the UK. Usually fitted with four doors, the saloon or sedan body type has been popular with families for a long time. With its versatile design, the saloon caters to a range of needs, from daily commutes to longer journeys, and remains a symbol of elegance and practicality in the automotive world.

Looking for something other than BMW M340?

There are several competitors to the BMW M340.

Top competitors to the BMW M340

  • MG ZS
  • BMW 320
  • Tesla Model 3

The MG ZS is a great alternative to the BMW M340. There are 3,020 of this car for sale in the UK right now and the average selling price is £14,302.

The BMW 320 is another popular car in the segment with a selection of 2,407 vehicles currently for sale with an average price of £20,990. Another good choice for an alternative car is the Tesla Model 3 with 2,399 cars for sale for the average price of £17,790.

Seeking an BMW M340 alternative with a smaller carbon footprint?

Not fixed on the BMW M340? Here are some electric options in the same segment::

Still searching for the ideal electric vehicle? View our complete collection of electric cars here.

Used BMW M340 by body type

Used BMW M340 by region

Used BMW M340 by fuel

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