Porsche 911 Targa 4 MPG and Fuel Economy
Porsche have been manufacturing models of 911 Targa 4 for 9 years, with the latest vehicle in 2023 having a combined MPG of 20.
The estimated fuel cost for the 2023 Porsche 911 Targa 4 is $3,150 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 $6,750 more on fuel driving a 2023 Porsche 911 Targa 4.
🛢 The Porsche 911 Targa 4 will consume roughly 15 barrels of petroleum per year, using the standard estimate of 15,000 miles per year.
💨 For every mile driven, the Porsche 911 Targa 4 will emit 442 grams of CO2, which is about 6,630,000 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 316 trees would be needed to offset emissions from the Porsche 911 Targa 4.
The table below is a complete list of the 9 Porsche 911 Targa 4 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 Targa 4 | 20 | $3,150 |
| 2022 Porsche 911 Targa 4 | 20 | $3,700 |
| 2021 Porsche 911 Targa 4 | 20 | $3,700 |
| 2019 Porsche 911 Targa 4 | 22 | $3,350 |
| 2018 Porsche 911 Targa 4 | 24 | $3,100 |
| 2017 Porsche 911 Targa 4 | 22 | $3,350 |
| 2016 Porsche 911 Targa 4 | 21 | $3,500 |
| 2015 Porsche 911 Targa 4 | 21 | $3,500 |
| 2014 Porsche 911 Targa 4 | 21 | $3,500 |
Link To or Reference This Page
If you use this page in your research, please reference MPG Buddy as the source.
<a href="https://mpgbuddy.com/cars/porsche/911-targa-4">Porsche 911 Targa 4 MPG and Fuel Economy</a>
"Porsche 911 Targa 4 MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/porsche/911-targa-4.
"Porsche 911 Targa 4 MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/porsche/911-targa-4. Accessed January 3, 2026.
Porsche 911 Targa 4 MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/porsche/911-targa-4.