2023 Porsche 911 Targa 4 GTS 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 Targa 4 GTS.

The 2023 Porsche 911 Targa 4 GTS has 2 model options: Automatic (AM-S8) 6-cyl, 3.0 L and Manual 7-spd 6-cyl, 3.0 L.

The 2023 Porsche 911 Targa 4 GTS Automatic (AM-S8) 6-cyl, 3.0 L runs on premium gasoline and is in the Minicompact Cars car class.

The 2023 Porsche 911 Targa 4 GTS Manual 7-spd 6-cyl, 3.0 L runs on premium gasoline and is in the Minicompact Cars car class.

🛣 How Many Miles per Gallon (MPG) Does a 2023 Porsche 911 Targa 4 GTS Get?

Across all models, the combined average MPG for the 2023 Porsche 911 Targa 4 GTS is 19 miles per gallon.

The table below breaks down the MPG for each model option:

Model OptionCombined MPGCity MPGHighway MPG
Automatic (AM-S8) 6-cyl, 3.0 L191722
Manual 7-spd 6-cyl, 3.0 L191623

💵 What is the Average Yearly Fuel Cost for a 2023 Porsche 911 Targa 4 GTS?

The average fuel costs for all models of the 2023 Porsche 911 Targa 4 GTS is $3,350.

The average fuel costs have 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.

Comparing a 2023 Porsche 911 Targa 4 GTS to an average vehicle over 5 years, you will spend $7,750 more on fuel.

The table below shows the fuel costs and 5-year save/spend for each model option:

Model OptionFuel Cost5-Year Save/Spend
Automatic (AM-S8) 6-cyl, 3.0 L$3,350spend $7,750 more
Manual 7-spd 6-cyl, 3.0 L$3,350spend $7,750 more

🛢 How Many Barrels of Petroleum Does a 2023 Porsche 911 Targa 4 GTS Consume?

Across all models, the average number barrels of petroleum that the 2023 Porsche 911 Targa 4 GTS will consume in one year is 16 barrels.

The majority of the world's petroleum is sourced from countries like Saudi Arabia, Russia, Iraq, and the United States.

Model OptionBarrels
Automatic (AM-S8) 6-cyl, 3.0 L16
Manual 7-spd 6-cyl, 3.0 L16

💨 How Many Grams of CO2 Does a 2023 Porsche 911 Targa 4 GTS Emit?

The 2023 Porsche 911 Targa 4 GTS will emit an average of about 7,035,000 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 240 trees would be needed to offset emissions from the 2023 Porsche 911 Targa 4 GTS.

Overview

The tables below cover all of the miles per gallon, engine specifications, and emission details we have for the 2 2023 Porsche 911 Targa 4 GTS model options.

Automatic (AM-S8) 6-cyl, 3.0 L

The table below contains all of the details we have for the 2023 Porsche 911 Targa 4 GTS Automatic (AM-S8) 6-cyl, 3.0 L:

City MPG17
Highway MPG22
Combined MPG19
Save/Spend vs Average CarSpend $7,750
Fuel Cost$3,350
Fuel Type 1Premium
Barrels of Petroleum16
Grams of CO26,915,000
Trees Needed to Offset329
DriveAll-Wheel Drive
Cylinders6
Displacement3
TransmissionAutomatic (AM-S8)
Vehicle ClassMinicompact Cars
Start/Stop?Yes
Supercharged?No
Turbocharged?Yes

Manual 7-spd 6-cyl, 3.0 L

The table below contains all of the details we have for the 2023 Porsche 911 Targa 4 GTS Manual 7-spd 6-cyl, 3.0 L:

City MPG16
Highway MPG23
Combined MPG19
Save/Spend vs Average CarSpend $7,750
Fuel Cost$3,350
Fuel Type 1Premium
Barrels of Petroleum16
Grams of CO27,155,000
Trees Needed to Offset341
DriveAll-Wheel Drive
Cylinders6
Displacement3
TransmissionManual 7-spd
Vehicle ClassMinicompact Cars
Start/Stop?Yes
Supercharged?No
Turbocharged?Yes

Link To or Reference This Page

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

  • "2023 Porsche 911 Targa 4 GTS MPG and Fuel Economy." MPG Buddy. Accessed on December 27, 2025. https://mpgbuddy.com/cars/porsche/911-targa-4-gts/2023.

  • "2023 Porsche 911 Targa 4 GTS MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/porsche/911-targa-4-gts/2023. Accessed December 27, 2025.

  • 2023 Porsche 911 Targa 4 GTS MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/porsche/911-targa-4-gts/2023.