Porsche 911 Turbo Cabriolet MPG and Fuel Economy
Porsche have been manufacturing models of 911 Turbo Cabriolet for 14 years, with the latest vehicle in 2023 having a combined MPG of 17.
The estimated fuel cost for the 2023 Porsche 911 Turbo Cabriolet is $3,750 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 $9,750 more on fuel driving a 2023 Porsche 911 Turbo Cabriolet.
🛢 The Porsche 911 Turbo Cabriolet will consume roughly 18 barrels of petroleum per year, using the standard estimate of 15,000 miles per year.
💨 For every mile driven, the Porsche 911 Turbo Cabriolet will emit 521 grams of CO2, which is about 7,815,000 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 Porsche 911 Turbo Cabriolet.
The table below is a complete list of the 14 Porsche 911 Turbo Cabriolet 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.
| Vehicle | Combined MPG | Fuel Cost |
|---|---|---|
| 2023 Porsche 911 Turbo Cabriolet | 17 | $3,750 |
| 2022 Porsche 911 Turbo Cabriolet | 17 | $4,350 |
| 2021 Porsche 911 Turbo Cabriolet | 17 | $4,350 |
| 2019 Porsche 911 Turbo Cabriolet | 21 | $3,500 |
| 2018 Porsche 911 Turbo Cabriolet | 21 | $3,500 |
| 2017 Porsche 911 Turbo Cabriolet | 21 | $3,500 |
| 2016 Porsche 911 Turbo Cabriolet | 20 | $3,700 |
| 2014 Porsche 911 Turbo Cabriolet | 20 | $3,700 |
| 2013 Porsche 911 Turbo Cabriolet | 19 | $3,900 |
| 2012 Porsche 911 Turbo Cabriolet | 19 | $3,900 |
| 2011 Porsche 911 Turbo Cabriolet | 19 | $3,900 |
| 2010 Porsche 911 Turbo Cabriolet | 19 | $3,900 |
| 2009 Porsche 911 Turbo Cabriolet | 18 | $4,100 |
| 2008 Porsche 911 Turbo Cabriolet | 18 | $4,100 |
Link To or Reference This Page
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"Porsche 911 Turbo Cabriolet MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/porsche/911-turbo-cabriolet.
"Porsche 911 Turbo Cabriolet MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/porsche/911-turbo-cabriolet. Accessed January 3, 2026.
Porsche 911 Turbo Cabriolet MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/porsche/911-turbo-cabriolet.