1991 Mercedes-Benz 500SL 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 Mercedes-Benz 500SL.
The 1991 Mercedes-Benz 500SL has 2 model options: Automatic 4-spd 8-cyl, 5.0 L and Automatic 4-spd 8-cyl, 5.0 L.
The 1991 Mercedes-Benz 500SL Automatic 4-spd 8-cyl, 5.0 L runs on regular gasoline and is in the Two Seaters car class.
The 1991 Mercedes-Benz 500SL Automatic 4-spd 8-cyl, 5.0 L runs on premium gasoline and is in the Two Seaters car class.
🛣 How Many Miles per Gallon (MPG) Does a 1991 Mercedes-Benz 500SL Get?
Across all models, the combined average MPG for the 1991 Mercedes-Benz 500SL is 14 miles per gallon.
The table below breaks down the MPG for each model option:
| Model Option | Combined MPG | City MPG | Highway MPG |
|---|---|---|---|
| Automatic 4-spd 8-cyl, 5.0 L | 13 | 12 | 15 |
| Automatic 4-spd 8-cyl, 5.0 L | 14 | 13 | 17 |
💵 What is the Average Yearly Fuel Cost for a 1991 Mercedes-Benz 500SL?
The average fuel costs for all models of the 1991 Mercedes-Benz 500SL is $5,050.
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 1991 Mercedes-Benz 500SL to an average vehicle over 5 years, you will spend $13,750 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 4-spd 8-cyl, 5.0 L | $4,800 | spend $12,500 more |
| Automatic 4-spd 8-cyl, 5.0 L | $5,300 | spend $15,000 more |
The 1991 Mercedes-Benz 500SL 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 tables below show how much you can expect to pay in Gas Guzzler taxes.
| Model Option | Gas Guzzler Tax |
|---|---|
| Automatic 4-spd 8-cyl, 5.0 L | $6,400 |
| Model Option | Gas Guzzler Tax |
|---|---|
| Automatic 4-spd 8-cyl, 5.0 L | $5,400 |
🛢 How Many Barrels of Petroleum Does a 1991 Mercedes-Benz 500SL Consume?
Across all models, the average number barrels of petroleum that the 1991 Mercedes-Benz 500SL will consume in one year is 22 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 4-spd 8-cyl, 5.0 L | 23 |
| Automatic 4-spd 8-cyl, 5.0 L | 21 |
💨 How Many Grams of CO2 Does a 1991 Mercedes-Benz 500SL Emit?
The 1991 Mercedes-Benz 500SL 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 1991 Mercedes-Benz 500SL.
Overview
The tables below cover all of the miles per gallon, engine specifications, and emission details we have for the 2 1991 Mercedes-Benz 500SL model options.
Automatic 4-spd 8-cyl, 5.0 L
The table below contains all of the details we have for the 1991 Mercedes-Benz 500SL Automatic 4-spd 8-cyl, 5.0 L:
| City MPG | 12 |
|---|---|
| Highway MPG | 15 |
| Combined MPG | 13 |
| Save/Spend vs Average Car | Spend $12,500 |
| Gas Guzzler Tax | $6,400 |
| Fuel Cost | $4,800 |
| Fuel Type 1 | Regular |
| Barrels of Petroleum | 23 |
| Grams of CO2 | -15,000 |
| Trees Needed to Offset | -1 |
| Drive | Rear-Wheel Drive |
| Cylinders | 8 |
| Displacement | 5 |
| Transmission | Automatic 4-spd |
| Vehicle Class | Two Seaters |
| Start/Stop? | No |
| Supercharged? | No |
| Turbocharged? | No |
Automatic 4-spd 8-cyl, 5.0 L
The table below contains all of the details we have for the 1991 Mercedes-Benz 500SL Automatic 4-spd 8-cyl, 5.0 L:
| City MPG | 13 |
|---|---|
| Highway MPG | 17 |
| 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 |
| Grams of CO2 | -15,000 |
| Trees Needed to Offset | -1 |
| Drive | Rear-Wheel Drive |
| Cylinders | 8 |
| Displacement | 5 |
| Transmission | Automatic 4-spd |
| Vehicle Class | Two Seaters |
| 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/mercedes-benz/500sl/1991">1991 Mercedes-Benz 500SL MPG and Fuel Economy</a>
"1991 Mercedes-Benz 500SL MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/mercedes-benz/500sl/1991.
"1991 Mercedes-Benz 500SL MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/mercedes-benz/500sl/1991. Accessed January 3, 2026.
1991 Mercedes-Benz 500SL MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/mercedes-benz/500sl/1991.