1991 Mercedes-Benz 300D 2.5 Turbo 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 300D 2.5 Turbo.
The 1991 Mercedes-Benz 300D 2.5 Turbo runs on diesel and is in the Compact Cars 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 Mercedes-Benz 300D 2.5 Turbo is, we have the information you need.
🛣 How Many Miles per Gallon (MPG) Does a 1991 Mercedes-Benz 300D 2.5 Turbo Get?
First off, the most commonly asked question. A 1991 Mercedes-Benz 300D 2.5 Turbo gets up to 23 miles per gallon in the city, and 30 miles per gallon on the highway.
The combined average MPG for the 1991 Mercedes-Benz 300D 2.5 Turbo is 26 miles per gallon.
💵 What is the Average Yearly Fuel Cost for a 1991 Mercedes-Benz 300D 2.5 Turbo?
The estimated fuel costs for the 1991 Mercedes-Benz 300D 2.5 Turbo is $2,950 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 Mercedes-Benz 300D 2.5 Turbo to an average vehicle over 5 years, you will spend $3,250 more on fuel.
🛢 How Many Barrels of Petroleum Does a 1991 Mercedes-Benz 300D 2.5 Turbo Consume?
The 1991 Mercedes-Benz 300D 2.5 Turbo will consume roughly 14 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 Mercedes-Benz 300D 2.5 Turbo.
| City MPG | 23 |
|---|---|
| Highway MPG | 30 |
| Combined MPG | 26 |
| Save/Spend vs Average Car | Spend $3,250 |
| Fuel Cost | $2,950 |
| Fuel Type 1 | Diesel |
| ATV Type | Diesel |
| Barrels of Petroleum | 14 |
| Drive | Rear-Wheel Drive |
| Cylinders | 5 |
| Displacement | 2.5 |
| Transmission | Automatic 4-spd |
| Vehicle Class | Compact Cars |
| Start/Stop? | No |
| Supercharged? | No |
| Turbocharged? | Yes |
Related Mercedes-Benz Models from 1991
If you're interested in other Mercedes-Benz 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.
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/300d-2-5-turbo/1991">1991 Mercedes-Benz 300D 2.5 Turbo MPG and Fuel Economy</a>
"1991 Mercedes-Benz 300D 2.5 Turbo MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/mercedes-benz/300d-2-5-turbo/1991.
"1991 Mercedes-Benz 300D 2.5 Turbo MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/mercedes-benz/300d-2-5-turbo/1991. Accessed January 3, 2026.
1991 Mercedes-Benz 300D 2.5 Turbo MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/mercedes-benz/300d-2-5-turbo/1991.