2005 Porsche Carrera 4 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 2005 Porsche Carrera 4 Cabriolet.
The 2005 Porsche Carrera 4 Cabriolet has 2 model options: Automatic 5-spd 6-cyl, 3.6 L and Manual 6-spd 6-cyl, 3.6 L.
The 2005 Porsche Carrera 4 Cabriolet Automatic 5-spd 6-cyl, 3.6 L runs on premium gasoline and is in the Minicompact Cars car class.
The 2005 Porsche Carrera 4 Cabriolet 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 2005 Porsche Carrera 4 Cabriolet Get?
Across all models, the combined average MPG for the 2005 Porsche Carrera 4 Cabriolet is 18 miles per gallon.
The table below breaks down the MPG for each model option:
| Model Option | Combined MPG | City MPG | Highway MPG |
|---|---|---|---|
| Automatic 5-spd 6-cyl, 3.6 L | 18 | 15 | 22 |
| Manual 6-spd 6-cyl, 3.6 L | 18 | 15 | 22 |
💵 What is the Average Yearly Fuel Cost for a 2005 Porsche Carrera 4 Cabriolet?
The average fuel costs for all models of the 2005 Porsche Carrera 4 Cabriolet is $4,100.
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 2005 Porsche Carrera 4 Cabriolet to an average vehicle over 5 years, you will spend $9,000 more on fuel.
The table below shows the fuel costs and 5-year save/spend for each model option:
| Model Option | Fuel Cost | 5-Year Save/Spend |
|---|---|---|
| Automatic 5-spd 6-cyl, 3.6 L | $4,100 | spend $9,000 more |
| Manual 6-spd 6-cyl, 3.6 L | $4,100 | spend $9,000 more |
🛢 How Many Barrels of Petroleum Does a 2005 Porsche Carrera 4 Cabriolet Consume?
Across all models, the average number barrels of petroleum that the 2005 Porsche Carrera 4 Cabriolet will consume in one year is 17 barrels.
The majority of the world's petroleum is sourced from countries like Saudi Arabia, Russia, Iraq, and the United States.
| Model Option | Barrels |
|---|---|
| Automatic 5-spd 6-cyl, 3.6 L | 17 |
| Manual 6-spd 6-cyl, 3.6 L | 17 |
💨 How Many Grams of CO2 Does a 2005 Porsche Carrera 4 Cabriolet Emit?
The 2005 Porsche Carrera 4 Cabriolet 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 2005 Porsche Carrera 4 Cabriolet.
Overview
The tables below cover all of the miles per gallon, engine specifications, and emission details we have for the 2 2005 Porsche Carrera 4 Cabriolet model options.
Automatic 5-spd 6-cyl, 3.6 L
The table below contains all of the details we have for the 2005 Porsche Carrera 4 Cabriolet Automatic 5-spd 6-cyl, 3.6 L:
| City MPG | 15 |
|---|---|
| Highway MPG | 22 |
| Combined MPG | 18 |
| Save/Spend vs Average Car | Spend $9,000 |
| Fuel Cost | $4,100 |
| Fuel Type 1 | Premium |
| Barrels of Petroleum | 17 |
| Grams of CO2 | -15,000 |
| Trees Needed to Offset | -1 |
| Drive | 4-Wheel or All-Wheel Drive |
| Cylinders | 6 |
| Displacement | 3.6 |
| Transmission | Automatic 5-spd |
| Vehicle Class | Minicompact 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 2005 Porsche Carrera 4 Cabriolet Manual 6-spd 6-cyl, 3.6 L:
| City MPG | 15 |
|---|---|
| Highway MPG | 22 |
| Combined MPG | 18 |
| Save/Spend vs Average Car | Spend $9,000 |
| Fuel Cost | $4,100 |
| Fuel Type 1 | Premium |
| Barrels of Petroleum | 17 |
| Grams of CO2 | -15,000 |
| Trees Needed to Offset | -1 |
| Drive | 4-Wheel or All-Wheel Drive |
| Cylinders | 6 |
| Displacement | 3.6 |
| Transmission | Manual 6-spd |
| Vehicle Class | Minicompact 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.
<a href="https://mpgbuddy.com/cars/porsche/carrera-4-cabriolet/2005">2005 Porsche Carrera 4 Cabriolet MPG and Fuel Economy</a>
"2005 Porsche Carrera 4 Cabriolet MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/porsche/carrera-4-cabriolet/2005.
"2005 Porsche Carrera 4 Cabriolet MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/porsche/carrera-4-cabriolet/2005. Accessed January 3, 2026.
2005 Porsche Carrera 4 Cabriolet MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/porsche/carrera-4-cabriolet/2005.