1991 · Compact Car · Diesel
1991 Mercedes-Benz 300 Diesel MPG & fuel economy
The 1991 Mercedes-Benz 300 Diesel is a compact car with one EPA-rated configuration. The most efficient version returns 26 MPG combined (23 city / 30 highway) on diesel. Efficiency is unchanged from the 1990 model. Among 45 compact cars rated for 1991, it ranks 28th for lowest fuel cost. At 15,000 miles a year with $3.70/gal diesel fuel, it costs about $2,135 a year to fuel.
What will it cost you?
Your mileage and prices are saved and used across the site.
Fuel average
The 1991 Mercedes-Benz 300 Diesel's fuel average is 11.1 km/L (9.0 L/100 km), or 26 MPG combined: 9.8 km/L in the city and 12.8 km/L on the highway.
| MPG | km/L | L/100 km | |
|---|---|---|---|
| City | 23 | 9.8 | 10.2 |
| Highway | 30 | 12.8 | 7.8 |
| Combined | 26 | 11.1 | 9.0 |
How it ranks among 1991 Compact Cars
Full class ranking →Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.
300 Diesel MPG across model years
Full history →1 EPA-rated configuration
| Configuration | Type | City | Hwy | Combined | Range | Your cost / yr |
|---|---|---|---|---|---|---|
| RWD · 2.5L 5-cyl turbo · 4-speed automatic 300D 2.5 Turbo |
Diesel | 23 MPG | 30 MPG | 26 MPG | — | $2,135 |
Specs (most efficient configuration)
- Fuel
- Diesel
- Engine / motor
- 2.5L 5-cyl turbo
- Transmission
- 4-speed automatic
- Drivetrain
- RWD
- Passenger volume
- 93 cu ft
- Cargo volume
- 15 cu ft
- Tailpipe CO₂
- 392 g/mi
1991 Mercedes-Benz 300 Diesel vs. rivals
Compare the 1991 300 Diesel
With any other car from any year, including other 300 Diesel model years. Type a year to jump, e.g. "2015 Accord".
Same year, other powertrains: 1991 Mercedes-Benz 300 (15 MPG)
Frequently asked questions
What is the gas mileage of the 1991 Mercedes-Benz 300 Diesel?
Up to 26 MPG combined (23 city / 30 highway).
What fuel does the 1991 Mercedes-Benz 300 Diesel use?
Diesel.
What is the fuel average in km/L for the 1991 Mercedes-Benz 300 Diesel?
The 1991 Mercedes-Benz 300 Diesel's fuel average is 11.1 km/L (9.0 L/100 km), or 26 MPG combined: 9.8 km/L in the city and 12.8 km/L on the highway.
How much does it cost to fuel the 1991 Mercedes-Benz 300 Diesel per year?
About $2,135 at 15,000 miles a year with $3.70/gal diesel fuel, or $14.23 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.