2023 BMW 840i Convertible MPG and Fuel Economy
On this page, you will find a complete guide to the miles per gallon and fuel efficiency data for the 2023 BMW 840i Convertible.
The 2023 BMW 840i Convertible runs on premium gasoline and is in the Subcompact Cars car class.
Whether you are considering a purchase of the car, or just wanting to find out how economical and environmentally friendly (or un-friendly) your 2023 BMW 840i Convertible is, we have the information you need.
🛣 How Many Miles per Gallon (MPG) Does a 2023 BMW 840i Convertible Get?
First off, the most commonly asked question. A 2023 BMW 840i Convertible gets up to 21 miles per gallon in the city, and 29 miles per gallon on the highway.
The combined average MPG for the 2023 BMW 840i Convertible is 24 miles per gallon.
💵 What is the Average Yearly Fuel Cost for a 2023 BMW 840i Convertible?
The estimated fuel costs for the 2023 BMW 840i Convertible is $3,100 per year.
That value has been estimated by government regulators based on 15,000 miles driven per year, using regular gasoline, and a split of 55% city driving and 45% highway driving.
If you were to compare a 2023 BMW 840i Convertible to an average vehicle over 5 years, you will spend $4,000 more on fuel.
🛢 How Many Barrels of Petroleum Does a 2023 BMW 840i Convertible Consume?
The 2023 BMW 840i Convertible will consume roughly 12 barrels of petroleum per year, using the standard estimate of 15,000 miles per year.
The majority of the world's petroleum is sourced from countries like Saudi Arabia, Russia, Iraq, and the United States.
💨 How Many Grams of CO2 Does a 2023 BMW 840i Convertible Emit?
For every mile driven, the 2023 BMW 840i Convertible will emit 374 grams of CO2, which is about 5,610,000 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 191 trees would be needed to offset emissions from the 2023 BMW 840i Convertible.
The table below covers all of the miles per gallon, engine specifications, and emission details we have for the 2023 BMW 840i Convertible.
|Save/Spend vs Average Car||Spend $4,000|
|Fuel Type 1||Premium|
|Barrels of Petroleum||12|
|Grams of CO2||5,610,000|
|Trees Needed to Offset||267|
|Vehicle Class||Subcompact Cars|
Related BMW Models from 2023
If you're interested in other BMW models from 2023, you can find them in the table below. You can click the model link to find miles per gallon and emission information for that model.
|Alpina B8 Gran Coupe||19|
|840i xDrive Gran Coupe||24|
|840i Gran Coupe||24|
|M8 Competition Coupe||17|
|430i xDrive Gran Coupe||27|
|840i xDrive Convertible||24|
|M850i xDrive Convertible||19|
|M8 Competition Gran Coupe||17|
|840i xDrive Coupe||24|
|M850i xDrive Gran Coupe||19|
|M850i xDrive Coupe||19|
|M8 Competition Convertible||17|
Ratings were provided by the manufacturer to the U.S. Department of Energy, which is where we sourced the data. Be advised that manufacturers may have upgraded, downgraded, or changed these ratings following the compilation of this data.
MPG Buddy does not guarantee the accuracy of this data, nor are we liable for any decisions made by referencing this data. Make sure to contact the specific car manufacturer to confirm accuracy.
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"2023 BMW 840i Convertible MPG and Fuel Economy". MPG Buddy. Accessed on September 25, 2023. http://mpgbuddy.com/cars/bmw/840i-convertible/2023.
"2023 BMW 840i Convertible MPG and Fuel Economy". MPG Buddy, http://mpgbuddy.com/cars/bmw/840i-convertible/2023. Accessed 25 September, 2023
2023 BMW 840i Convertible MPG and Fuel Economy. MPG Buddy. Retrieved from http://mpgbuddy.com/cars/bmw/840i-convertible/2023.