BMW M3 Cabriolet Valuation: 107 used car listings analysed

Market overviewPrices and data for March-2026: There are currently 107 used BMW M3 Cabriolet (model years 1996 - 2013) available. Prices range from £4,495 to £24,000, with a median price of £10,990. The most common configuration on the market is a combination of convertible, petrol, and manual, while the most popular trims include Comfort Edition, Performance, Shadowline. Market dynamics indicate that a vehicle sells in an average of 53 days, and 12.1% of listings have recently seen a price reduction (with discounts up to £7,000). Additionally, 10 vehicles are currently listed below market value. An indicator of durability: the inventory includes models with a mileage of up to 125,000 km (Source: 42 scanned sites).

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How much does the BMW M3 Cabriolet depreciate?

Used BMW M3 Cabriolet

A used BMW M3 Cabriolet (2003) model loses about £32 per month in value.


Factors that affect the depreciation of a BMW M3 Cabriolet:
- Mileage driven
- Maintenance
- Service history


Depreciation is an important part of calculating the total cost of owning a BMW M3 Cabriolet. In addition to the monthly depreciation of £32, 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 M3 Cabriolet cost? Prices, ratings and depreciation by model year

How much does a used BMW M3 Cabriolet cost? Prices, ratings and depreciation by model year

Model year

Price range*

Avg. Price

Median Mileage

Depreciation
(12 mth.)

Cars for sale

2013 BMW M3 Cabriolet

£16,850 - £29,495£21,78660,100 miles-< 10

2009 BMW M3 Cabriolet

£14,000 - £22,995£19,12164,200 miles-< 10

2006 BMW M3 Cabriolet

£9,990 - £23,000£17,66079,300 miles-< 10

2011 BMW M3 Cabriolet

£13,995 - £18,999£16,79569,900 miles-< 10

2010 BMW M3 Cabriolet

£14,995 - £20,900£16,72380,000 miles-< 10

2008 BMW M3 Cabriolet

£13,995 - £18,650£16,40869,700 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

Last updated: 23 March 2026

Comparison of BMW M3 Cabriolet variants and prices

Below you can compare prices and depreciation for the 3 most popular BMW M3 Cabriolet variants. The table is updated daily with data from the market in United Kingdom.

Comparison of BMW M3 Cabriolet variants and prices

Variant

Price range*

Avg. Price

Median Mileage

Depreciation
(12 mth.)

Cars for sale

BMW M3 Cabriolet Shadowline

£17,490 - £23,989£20,49169,900 miles-< 10

BMW M3 Cabriolet Performance

£15,990 - £24,000£20,19579,300 miles-< 10
💰 The budget choice

BMW M3 Cabriolet Comfort Edition

£14,000 - £23,500£17,89273,900 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

Last updated: 23 March 2026

Which variant should you choose?

💰 The budget choice

The Comfort Edition is the cheapest entry point with an average price of £17,892.

Accuracy will improve as more cars from this variant become available

🏆 The most popular

There are the most Comfort Edition for sale right now (7), which gives you the most options to choose from.

Accuracy will improve as more cars from this variant become available

BMW M3 Cabriolet (model year 2003) - Price development for the last 12 months and price projection for the next 6 months (March 2025 - August 2026)

Monthly price data with average prices and price ranges

Month

Average market price

Lowest market price

Highest market price

Calculation method

2025 - March
£9,640
£7,780£11,520
Estimate
2025 - April
£9,640
£7,780£11,480
Estimate
2025 - May
£9,540
£7,980£11,120
Estimate
2025 - June
£9,580
£7,900£11,260
Estimate
2025 - July
£9,720
£7,800£11,660
Estimate
2025 - August
£10,180
£7,600£12,740
Estimate
2025 - September
£10,400
£7,680£13,120
Estimate
2025 - October
£10,800
£7,680£13,920
Estimate
2025 - November
£10,340
£7,760£12,940
Estimate
2025 - December
£9,640
£7,760£11,520
Estimate
2026 - January
£9,220
£7,940£10,500
Estimate
2026 - February
£9,260
£7,980£10,560
Estimate
2026 - April
£8,820
--
Forecast
2026 - May
£8,600
--
Forecast
2026 - June
£8,360
--
Forecast
2026 - July
£8,140
--
Forecast
2026 - August
£7,920
--
Forecast

All estimates and forecasts are based on actual market data

Last updated: 23 March 2026

Average Monthly Depreciation

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

Past 12 months

-£380

Next 6 months

-£1,340

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Should your next car be a used BMW M3 Cabriolet?

Are you thinking of getting a used large sized family car? Then the BMW M3 Cabriolet is a good choice. AutoUncle features 108 avalable cars to choose from collected from various dealership websites and online marketplaces.

What is the average price of a used BMW M3 Cabriolet?

Currently, the prices for a pre-owned BMW M3 Cabriolet start at £4,495 and go up to £23,989.

The price for a BMW M3 Cabriolet can vary widely and depends on five main factors: production year, engine capacity and performance, fuel efficiency of the car, car mileage not to mention trim level.

For instance, a car that is newer and has fewer miles on the clock will typically command a higher price. In the same vein, models at the higher end, replete with luxurious features or more robust engines, generally come with a more substantial price tag than, for example, an older car without special equipment and with many kilometres behind it.

What equipment variants are available for BMW M3 Cabriolet?

When evaluating the costs of pre-owned BMW M3 Cabriolet, it is essential that you only compare with the sale prices of cars with a similar engine and trim level. Otherwise, you might make a wrong decision on which car to buy.

What fuel configurations can I choose from for the BMW M3 Cabriolet?

The number one fuel selection for the BMW M3 Cabriolet is petrol.

Before deciding on a fuel type to buy, we highly recommend taking some time to consider your current driving habits. Do you usually drive in city traffic or on highways and freeways? How many miles do you cover on a weekly basis?

Electric cars, plug-in hybrids and petrol are great for short distances. For long daily driving, electric cars are a strong choice if you can charge. 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. Be aware that in a number of countries, cities have implemented bans on diesel engines with high emissions.

Does the BMW M3 Cabriolet have multiple body styles?

On AutoUncle, the BMW M3 Cabriolet is exclusively offered in the cabriolet body style. Cabrios and convertibles are a great way to add another dimension to the driving experience. Today, most cabrios can be driven year-round as the majority of models have really good hoods and weather gear. Beware that convertibles are typically heavier than normal cars. Because of the lack of roof, thickener is applied underneath the car to strengthen the chassis.

What other competing models to the BMW M3 Cabriolet are there?

There are multiple similar cars to the BMW M3 Cabriolet.

Top competitors to the BMW M3 Cabriolet

  • MG ZS
  • BMW 320
  • Tesla Model 3

With a selection of 3,020 available models on AutoUncle, the MG ZS clearly stands out as the top alternative to the BMW M3 Cabriolet. Average listing price for the MG ZS 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. The Tesla Model 3 is the third best alternative. There are currently 2,399 of this car for sale in the UK with an average sales price of £17,790.

Seeking an BMW M3 Cabriolet alternative with a smaller carbon footprint?

Not fixed on the BMW M3 Cabriolet? Here are some electric options in the same segment::

Still searching for the ideal electric vehicle? Check out our extensive selection of electric cars here.

All gear types for BMW M3 Cabriolet