2003 Porsche Carrera 4 S MPG and Fuel Economy

On this page, you will find a complete guide to the miles per gallon and fuel efficiency data for the 2003 Porsche Carrera 4 S.

The 2003 Porsche Carrera 4 S has 2 model options: Automatic 5-spd 6-cyl, 3.6 L and Manual 6-spd 6-cyl, 3.6 L.

The 2003 Porsche Carrera 4 S Automatic 5-spd 6-cyl, 3.6 L runs on premium gasoline and is in the Minicompact Cars car class.

The 2003 Porsche Carrera 4 S Manual 6-spd 6-cyl, 3.6 L runs on premium gasoline and is in the Minicompact Cars car class.

🛣 How Many Miles per Gallon (MPG) Does a 2003 Porsche Carrera 4 S Get?

Across all models, the combined average MPG for the 2003 Porsche Carrera 4 S is 18 miles per gallon.

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

Model OptionCombined MPGCity MPGHighway MPG
Automatic 5-spd 6-cyl, 3.6 L171521
Manual 6-spd 6-cyl, 3.6 L181522

💵 What is the Average Yearly Fuel Cost for a 2003 Porsche Carrera 4 S?

The average fuel costs for all models of the 2003 Porsche Carrera 4 S is $4,225.

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 2003 Porsche Carrera 4 S to an average vehicle over 5 years, you will spend $9,625 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 5-spd 6-cyl, 3.6 L$4,350spend $10,250 more
Manual 6-spd 6-cyl, 3.6 L$4,100spend $9,000 more

🛢 How Many Barrels of Petroleum Does a 2003 Porsche Carrera 4 S Consume?

Across all models, the average number barrels of petroleum that the 2003 Porsche Carrera 4 S will consume in one year is 18 barrels.

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

Model OptionBarrels
Automatic 5-spd 6-cyl, 3.6 L18
Manual 6-spd 6-cyl, 3.6 L17

💨 How Many Grams of CO2 Does a 2003 Porsche Carrera 4 S Emit?

The 2003 Porsche Carrera 4 S will emit an average of about -15,000 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 1 tree would be needed to offset emissions from the 2003 Porsche Carrera 4 S.

Overview

The tables below cover all of the miles per gallon, engine specifications, and emission details we have for the 2 2003 Porsche Carrera 4 S model options.

Automatic 5-spd 6-cyl, 3.6 L

The table below contains all of the details we have for the 2003 Porsche Carrera 4 S Automatic 5-spd 6-cyl, 3.6 L:

City MPG15
Highway MPG21
Combined MPG17
Save/Spend vs Average CarSpend $10,250
Fuel Cost$4,350
Fuel Type 1Premium
Barrels of Petroleum18
Grams of CO2-15,000
Trees Needed to Offset-1
Drive4-Wheel or All-Wheel Drive
Cylinders6
Displacement3.6
TransmissionAutomatic 5-spd
Vehicle ClassMinicompact Cars
Start/Stop?No
Supercharged?No
Turbocharged?No

Manual 6-spd 6-cyl, 3.6 L

The table below contains all of the details we have for the 2003 Porsche Carrera 4 S Manual 6-spd 6-cyl, 3.6 L:

City MPG15
Highway MPG22
Combined MPG18
Save/Spend vs Average CarSpend $9,000
Fuel Cost$4,100
Fuel Type 1Premium
Barrels of Petroleum17
Grams of CO2-15,000
Trees Needed to Offset-1
Drive4-Wheel or All-Wheel Drive
Cylinders6
Displacement3.6
TransmissionManual 6-spd
Vehicle ClassMinicompact Cars
Start/Stop?No
Supercharged?No
Turbocharged?No

Link To or Reference This Page

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

  • "2003 Porsche Carrera 4 S MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/porsche/carrera-4-s/2003.

  • "2003 Porsche Carrera 4 S MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/porsche/carrera-4-s/2003. Accessed January 3, 2026.

  • 2003 Porsche Carrera 4 S MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/porsche/carrera-4-s/2003.