BMW M6 Valuation: 51 used car listings analysed

Market overviewPrices and data for March-2026: There are currently 51 used BMW M6 (model years 2005 - 2025) available. Prices range from £17,749 to £34,995, with a median price of £24,500. The most common configuration on the market is a combination of coupe, petrol, and automatic, while the most popular trims include Comfort Edition, Shadowline, Performance. Market dynamics indicate that a vehicle sells in an average of 72 days, and 36.5% of listings have recently seen a price reduction (with discounts up to £3,600). Additionally, 3 vehicles are currently listed below market value. An indicator of durability: the inventory includes models with a mileage of up to 80,000 km (Source: 42 scanned sites).

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How much does the BMW M6 depreciate?

Used BMW M6

A used BMW M6 (2006) model loses about £17 per month in value.


Factors that affect the depreciation of a BMW M6:
- Mileage driven
- Maintenance
- Service history


Depreciation is an important part of calculating the total cost of owning a BMW M6. In addition to the monthly depreciation of £17, 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 M6 cost? Prices, ratings and depreciation by model year

How much does a used BMW M6 cost? Prices, ratings and depreciation by model year

Model year

Price range*

Avg. Price

Median Mileage

Depreciation
(12 mth.)

Cars for sale

2018 BMW M6

£30,000 - £36,970£33,60444,300 miles-< 10

2017 BMW M6

£25,250 - £34,999£30,34045,200 miles-£980< 10

2016 BMW M6

£23,990 - £28,995£27,02652,100 miles-< 10

2015 BMW M6

£19,750 - £29,999£26,05865,500 miles-< 10

2014 BMW M6

£17,990 - £28,995£23,89349,500 miles-< 10

2006 BMW M6

£17,749 - £29,995£21,78053,000 miles-£20013

*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 M6 variants and prices

Below you can compare prices and depreciation for the 2 most popular BMW M6 variants. The table is updated daily with data from the market in United Kingdom.

Comparison of BMW M6 variants and prices

Variant

Price range*

Avg. Price

Median Mileage

Depreciation
(12 mth.)

Cars for sale

🏆 The most popular

BMW M6 Comfort Edition

£17,990 - £36,970£28,73348,900 miles-£22013
💰 The budget choice

BMW M6 Shadowline

£18,450 - £33,495£25,68657,300 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 Shadowline is the cheapest entry point with an average price of £25,686.

Accuracy will improve as more cars from this variant become available

🏆 The most popular

There are the most Comfort Edition for sale right now (13), which gives you the most options to choose from.

📈 The best value

The Comfort Edition has held its price stable with minimal loss in value over the past year (-£220).

BMW M6 (model year 2006) - 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
£21,620
£19,220£24,020
Estimate
2025 - April
£21,640
£19,220£24,040
Estimate
2025 - May
£21,620
£19,220£24,020
Estimate
2025 - June
£21,640
£19,220£24,040
Estimate
2025 - July
£21,620
£19,220£24,020
Estimate
2025 - August
£21,480
£19,160£23,780
Estimate
2025 - September
£21,480
£19,160£23,780
Estimate
2025 - October
£21,420
£19,100£23,760
Estimate
2025 - November
£21,420
£19,080£23,760
Estimate
2025 - December
£21,420
£19,080£23,760
Estimate
2026 - January
£21,420
£19,080£23,760
Estimate
2026 - February
£21,420
£19,080£23,740
Estimate
2026 - April
£21,380
--
Forecast
2026 - May
£21,380
--
Forecast
2026 - June
£21,360
--
Forecast
2026 - July
£21,360
--
Forecast
2026 - August
£21,340
--
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

-£200

Next 6 months

-£80

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Price checked by AutoUncle

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Thinking about buying a used BMW M6?

Are you thinking of buying a used sports car? Then the BMW M6 is a good choice. AutoUncle has 52 used BMW M6s for sale in UK sourced from different dealership websites and online marketplaces.

What is the used car price of the BMW M6?

The pricing range for a used BMW M6 model at AutoUncle will start at £17,495 and go up to £33,950.

The used car price of an BMW M6 is determined by a number of factors, the most important of which are what year the car is from, engine size and performance, fuel efficiency, how far the car has already travelled together with equipment.

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 a car from an older model year, with higher mileage and no optional extras.

What equipment options does the BMW M6 have?

When evaluating the costs of pre-owned BMW M6, it is important only comparing the sale prices of cars with a similar engine and equipment variant. Otherwise, you might come to a wrong decision on which car to purchase.

What are the fuel options for the BMW M6?

The predominant fuel variant for the BMW M6 is petrol.

BMW M6 fuel options:

  • BMW M6 petrol: 51 cars currently available with an average price of £24,755
  • BMW M6 diesel: 1 car currently available with an average price of £21,995

It's highly recommended to reflect on your driving patterns before making a decision on the fuel type. On average, how many miles do you travel in a week? Do you frequently make short journeys or are your trips generally long?

For short journeys, electric cars, plug-in hybrids or petrol cars are obvious choices. If you have a daily commute over longer distances, a modern electric car can be a great choice - especially if you have access to charging at home or at work. Despite the rise of electric cars, diesel can still be useful for long journeys and lack of charging options. Remember that diesel engines with high emissions are prohibited from entering cities in various countries.

Will the BMW M6 come in different body types?

The BMW M6 is available in both coupe and cabriolet body styles, with the coupe being the more popular choice. A coupe is a type of body design that prioritises style and sporty driving. The chassis is typically tighter and stronger than that of a sedan or SUV. This type of car is mostly for people without kids and who tend to travel light. Coupes are typically more expensive to buy than their equivalent sedan or hatchback sister models.

Price statistics for AutoUncle's selection of BMW M6 body types

Are there any other cars similar to BMW M6?

There exist some similar cars to the BMW M6.

Popular alternatives to the BMW M6

  • BMW 420
  • Audi TT
  • Mazda MX5

The BMW 420 is a great alternative to the BMW M6. Currently there are 1,491 BMW 420 for sale in the UK with an average sales price of £18,198.

The Audi TT is another popular pick, with 949 cars currently for sale and an average price of £13,199. Another good choice for an alternative car is the Mazda MX5 with 556 cars for sale for the average price of £15,000.

Investigating greener options in place of the BMW M6?

When considering an electric vehicle in the same category as the BMW M6, here are some alternatives you might consider:

Still no luck finding your preferred electric car? Review our entire selection of electric cars here.

All body types for BMW M6