Used BMW 6-Series M6 (2005 - 2010) Costs

Review by Simon Harris on
Last Updated: 12 Feb 2013
BMW’S M division returns to the 6-Series, rekindling memories of the old M635 CSi of the late 1980s. The M6 Coupe and Convertible use the same 5.

1 out of 5

Running costs

Compared to the standard 6-Series, the M6 is pricey when new especially when you consider it's as expensive as top end Porsche 911s and the Aston Martin V8 Vantage. A new car will still take a sizeable depreciation in in the first 12 months while insurance group 20 and 19mpg add to the costs, but if you have to ask . . .

Summary Running Costs

Servicing period

According to on-board computer.


Three years/unlimited mileage.

Road tax (12 months)

£515.00 - £515.00

Vehicle excise duty (VED) varies according to the CO2 emissions and the fuel type of the vehicle. For cars registered after March 1st 2001 VED or road tax is based on the car's CO2 emissions. For cars registered before March 1st 2001 it is based on engine size.

Full running costs data

1 out of 5

Green credentials

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  • F
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CO2 emission figure (g/km)

Fuel economy rating

The arrows indicate the best and worst CO2 bands for this model.

Emissions summary

The M6 returns just 19mpg on average, so it's no surprise that it scores so lowly on the eco front. With emissions of 362g/km CO2 it scores similarly to other supercars from Aston Martin, Audi and Porsche but fortunately, these sorts of cars tend to be driven less per year than the average family car.

Find the exact engine and CO2