2023 Porsche 911 Turbo S Cabriolet 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 Porsche 911 Turbo S Cabriolet.

The 2023 Porsche 911 Turbo S Cabriolet runs on premium gasoline and is in the Minicompact 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 Porsche 911 Turbo S Cabriolet is, we have the information you need.

🛣 How Many Miles per Gallon (MPG) Does a 2023 Porsche 911 Turbo S Cabriolet Get?

First off, the most commonly asked question. A 2023 Porsche 911 Turbo S Cabriolet gets up to 15 miles per gallon in the city, and 20 miles per gallon on the highway.

The combined average MPG for the 2023 Porsche 911 Turbo S Cabriolet is 17 miles per gallon.

💵 What is the Average Yearly Fuel Cost for a 2023 Porsche 911 Turbo S Cabriolet?

The estimated fuel costs for the 2023 Porsche 911 Turbo S Cabriolet is $3,750 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 Porsche 911 Turbo S Cabriolet to an average vehicle over 5 years, you will spend $9,750 more on fuel.

The 2023 Porsche 911 Turbo S Cabriolet is also subject to the Gas Guzzler Tax, which is a federal tax on vehicles that has a combined MPG of less than 22.5.

The combined average MPG for the 2023 Porsche 911 Turbo S Cabriolet is 17 miles per gallon, and according to the current tax for each level of MPG, you can expect to pay a tax of $3,000 per year.

🛢 How Many Barrels of Petroleum Does a 2023 Porsche 911 Turbo S Cabriolet Consume?

The 2023 Porsche 911 Turbo S Cabriolet will consume roughly 18 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 Porsche 911 Turbo S Cabriolet Emit?

For every mile driven, the 2023 Porsche 911 Turbo S Cabriolet will emit 528 grams of CO2, which is about 7,920,000 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 270 trees would be needed to offset emissions from the 2023 Porsche 911 Turbo S Cabriolet.

Overview

The table below covers all of the miles per gallon, engine specifications, and emission details we have for the 2023 Porsche 911 Turbo S Cabriolet.

City MPG15
Highway MPG20
Combined MPG17
Save/Spend vs Average CarSpend $9,750
Gas Guzzler Tax$3,000
Fuel Cost$3,750
Fuel Type 1Premium
Barrels of Petroleum18
Grams of CO27,920,000
Trees Needed to Offset377
DriveAll-Wheel Drive
Cylinders6
Displacement3.7
TransmissionAutomatic (AM-S8)
Vehicle ClassMinicompact Cars
Start/Stop?Yes
Supercharged?No
Turbocharged?Yes

Related Porsche Models from 2023

If you're interested in other Porsche 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.

Link To or Reference This Page

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

  • "2023 Porsche 911 Turbo S Cabriolet MPG and Fuel Economy." MPG Buddy. Accessed on December 27, 2025. https://mpgbuddy.com/cars/porsche/911-turbo-s-cabriolet/2023.

  • "2023 Porsche 911 Turbo S Cabriolet MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/porsche/911-turbo-s-cabriolet/2023. Accessed December 27, 2025.

  • 2023 Porsche 911 Turbo S Cabriolet MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/porsche/911-turbo-s-cabriolet/2023.