2003 · SUV · Gas
2003 Mercedes-Benz G-Class MPG & fuel economy
The 2003 Mercedes-Benz G-Class is a SUV offered in 2 EPA-rated configurations. The most efficient version returns 13 MPG combined (12 city / 14 highway) on premium gasoline. Across the lineup, combined ratings range from 12 to 13 MPG. That's up 1 MPG from the 2002 model. Among 66 SUVs rated for 2003, it ranks 65th for lowest fuel cost. At 15,000 miles a year with $3.95/gal premium gas, it costs about $4,558 a year to fuel.
What will it cost you?
Your mileage and prices are saved and used across the site.
Fuel average
The 2003 Mercedes-Benz G-Class's fuel average is 5.5 km/L (18.1 L/100 km), or 13 MPG combined: 5.1 km/L in the city and 6.0 km/L on the highway.
| MPG | km/L | L/100 km | |
|---|---|---|---|
| City | 12 | 5.1 | 19.6 |
| Highway | 14 | 6.0 | 16.8 |
| Combined | 13 | 5.5 | 18.1 |
How it ranks among 2003 SUVs
Full class ranking →Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.
G-Class MPG across model years
Full history →2 EPA-rated configurations
| Configuration | Type | City | Hwy | Combined | Range | Your cost / yr |
|---|---|---|---|---|---|---|
| 4WD/AWD · 5.5L 8-cyl · 5-speed automatic G55 AMG |
Gas | 12 MPG | 14 MPG | 13 MPG | — | $4,558 |
| 4WD/AWD · 5.0L 8-cyl · 5-speed automatic G500 |
Gas | 11 MPG | 13 MPG | 12 MPG | — | $4,938 |
Specs (most efficient configuration)
- Fuel
- Premium gasoline
- Engine / motor
- 5.5L 8-cyl
- Transmission
- 5-speed automatic
- Drivetrain
- 4WD/AWD
- Passenger volume
- 124 cu ft
- Cargo volume
- 49 cu ft
- Tailpipe CO₂
- 684 g/mi
2003 Mercedes-Benz G-Class vs. rivals
Compare the 2003 G-Class
With any other car from any year, including other G-Class model years. Type a year to jump, e.g. "2015 Accord".
Frequently asked questions
What is the gas mileage of the 2003 Mercedes-Benz G-Class?
Up to 13 MPG combined (12 city / 14 highway); ratings range from 12 to 13 MPG depending on configuration.
What fuel does the 2003 Mercedes-Benz G-Class use?
Premium gasoline (premium is required or recommended by the manufacturer).
What is the fuel average in km/L for the 2003 Mercedes-Benz G-Class?
The 2003 Mercedes-Benz G-Class's fuel average is 5.5 km/L (18.1 L/100 km), or 13 MPG combined: 5.1 km/L in the city and 6.0 km/L on the highway.
How much does it cost to fuel the 2003 Mercedes-Benz G-Class per year?
About $4,558 at 15,000 miles a year with $3.95/gal premium gas, or $30.38 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.