BMW M6 Convertible MPG and Fuel Economy

BMW have been manufacturing models of M6 Convertible for 11 years, with the latest vehicle in 2018 having a combined MPG of 17.

The estimated fuel cost for the 2018 BMW M6 Convertible is $4,350 per year.

Government regulators have estimated that value based on 15,000 miles driven per year, using regular gasoline, and a split of 55% city driving and 45% highway driving.

💵 Compared to an average vehicle over 5 years, you will spend $10,250 more on fuel driving a 2018 BMW M6 Convertible.

🛢 The BMW M6 Convertible will consume roughly 18 barrels of petroleum per year, using the standard estimate of 15,000 miles per year.

💨 For every mile driven, the BMW M6 Convertible will emit 522 grams of CO2, which is about 7,830,000 grams of CO2 per year.

🌳 To help you understand the impact of this, a normal tree will absorb around 21,000 grams of CO2 per year. This means that roughly 373 trees would be needed to offset emissions from the BMW M6 Convertible.

The table below is a complete list of the 11 BMW M6 Convertible fuel efficiency specifications we have data for.

Click any vehicle link to see a more detailed breakdown of the car, miles per gallon, emissions, and more.

Link To or Reference This Page

If you use this page in your research, please reference MPG Buddy as the source.

  • "BMW M6 Convertible MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/bmw/m6-convertible.

  • "BMW M6 Convertible MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/bmw/m6-convertible. Accessed January 3, 2026.

  • BMW M6 Convertible MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/bmw/m6-convertible.