1991 Porsche Carrera 4 MPG and Fuel Economy
On this page, you will find a complete guide to the miles per gallon and fuel efficiency data for the 1991 Porsche Carrera 4.
The 1991 Porsche Carrera 4 runs on premium gasoline and is in the Two Seaters 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 1991 Porsche Carrera 4 is, we have the information you need.
🛣 How Many Miles per Gallon (MPG) Does a 1991 Porsche Carrera 4 Get?
First off, the most commonly asked question. A 1991 Porsche Carrera 4 gets up to 12 miles per gallon in the city, and 19 miles per gallon on the highway.
The combined average MPG for the 1991 Porsche Carrera 4 is 14 miles per gallon.
💵 What is the Average Yearly Fuel Cost for a 1991 Porsche Carrera 4?
The estimated fuel costs for the 1991 Porsche Carrera 4 is $5,300 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 1991 Porsche Carrera 4 to an average vehicle over 5 years, you will spend $15,000 more on fuel.
The 1991 Porsche Carrera 4 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 1991 Porsche Carrera 4 is 14 miles per gallon, and according to the current tax for each level of MPG, you can expect to pay a tax of $5,400 per year.
🛢 How Many Barrels of Petroleum Does a 1991 Porsche Carrera 4 Consume?
The 1991 Porsche Carrera 4 will consume roughly 21 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.
Overview
The table below covers all of the miles per gallon, engine specifications, and emission details we have for the 1991 Porsche Carrera 4.
| City MPG | 12 |
|---|---|
| Highway MPG | 19 |
| Combined MPG | 14 |
| Save/Spend vs Average Car | Spend $15,000 |
| Gas Guzzler Tax | $5,400 |
| Fuel Cost | $5,300 |
| Fuel Type 1 | Premium |
| Barrels of Petroleum | 21 |
| Drive | Rear-Wheel Drive |
| Cylinders | 6 |
| Displacement | 3.6 |
| Transmission | Manual 5-spd |
| Vehicle Class | Two Seaters |
| Start/Stop? | No |
| Supercharged? | No |
| Turbocharged? | No |
Related Porsche Models from 1991
If you're interested in other Porsche models from 1991, 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.
| Model | Combined MPG |
|---|---|
| 911 Carrera 4/2 | 17 |
| 911 Carrera 4/2 | 16 |
| 911 Carrera 4/2 | 16 |
| 911 Turbo | 14 |
| 928 S4 | 15 |
| 928 S4 | 14 |
| 928 S4 | 15 |
| 944 S2 | 18 |
| Carrera | 16 |
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-4/1991">1991 Porsche Carrera 4 MPG and Fuel Economy</a>
"1991 Porsche Carrera 4 MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/porsche/carrera-4/1991.
"1991 Porsche Carrera 4 MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/porsche/carrera-4/1991. Accessed January 3, 2026.
1991 Porsche Carrera 4 MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/porsche/carrera-4/1991.