BMW 645ci Convertible MPG and Fuel Economy

BMW have been manufacturing models of 645ci Convertible for 2 years, with the latest vehicle in 2005 having a combined MPG of 16.

The estimated fuel cost for the 2005 BMW 645ci Convertible is $4,600 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 $11,500 more on fuel driving a 2005 BMW 645ci Convertible.

🛢 The BMW 645ci Convertible will consume roughly 19 barrels of petroleum per year, using the standard estimate of 15,000 miles per year.

💨 For every mile driven, the BMW 645ci Convertible will emit -1 grams of CO₂, which is about -15,000 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 1 tree would be needed to offset emissions from the BMW 645ci Convertible.

The table below is a complete list of the 2 BMW 645ci 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.