2008 · SUV · Diesel
2008 Mercedes-Benz GL-Class Diesel MPG & fuel economy
The 2008 Mercedes-Benz GL-Class Diesel is a SUV with one EPA-rated configuration. The most efficient version returns 20 MPG combined (18 city / 24 highway) on diesel. Efficiency is unchanged from the 2007 model. Among 101 SUVs rated for 2008, it ranks 57th for lowest fuel cost. At 15,000 miles a year with $3.70/gal diesel fuel, it costs about $2,775 a year to fuel.
What will it cost you?
Your mileage and prices are saved and used across the site.
Fuel average
The 2008 Mercedes-Benz GL-Class Diesel's fuel average is 8.5 km/L (11.8 L/100 km), or 20 MPG combined: 7.7 km/L in the city and 10.2 km/L on the highway.
| MPG | km/L | L/100 km | |
|---|---|---|---|
| City | 18 | 7.7 | 13.1 |
| Highway | 24 | 10.2 | 9.8 |
| Combined | 20 | 8.5 | 11.8 |
How it ranks among 2008 SUVs
Full class ranking →Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.
GL-Class Diesel MPG across model years
Full history →1 EPA-rated configuration
| Configuration | Type | City | Hwy | Combined | Range | Your cost / yr |
|---|---|---|---|---|---|---|
| 4WD/AWD · 3.0L 6-cyl turbo · 7-speed automatic GL320 CDI 4matic |
Diesel | 18 MPG | 24 MPG | 20 MPG | — | $2,775 |
Specs (most efficient configuration)
- Fuel
- Diesel
- Engine / motor
- 3.0L 6-cyl turbo
- Transmission
- 7-speed automatic
- Drivetrain
- 4WD/AWD
- Passenger volume
- 143 cu ft
- Cargo volume
- 16 cu ft
- Tailpipe CO₂
- 509 g/mi
2008 Mercedes-Benz GL-Class Diesel vs. rivals
Compare the 2008 GL-Class Diesel
With any other car from any year, including other GL-Class Diesel model years. Type a year to jump, e.g. "2015 Accord".
Same year, other powertrains: 2008 Mercedes-Benz GL-Class (15 MPG)
Frequently asked questions
What is the gas mileage of the 2008 Mercedes-Benz GL-Class Diesel?
Up to 20 MPG combined (18 city / 24 highway).
What fuel does the 2008 Mercedes-Benz GL-Class Diesel use?
Diesel.
What is the fuel average in km/L for the 2008 Mercedes-Benz GL-Class Diesel?
The 2008 Mercedes-Benz GL-Class Diesel's fuel average is 8.5 km/L (11.8 L/100 km), or 20 MPG combined: 7.7 km/L in the city and 10.2 km/L on the highway.
How much does it cost to fuel the 2008 Mercedes-Benz GL-Class Diesel per year?
About $2,775 at 15,000 miles a year with $3.70/gal diesel fuel, or $18.50 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.