Mercedes-Benz
G550
U.S. fuel economy and specifications from the EPA.

Best combined MPG by model year
The highest EPA rating among each year's configurations.
1 configuration.
4-Wheel Drive · Automatic 9-spd
Premium gasoline · Standard Sport Utility Vehicle 4WD
- Combined MPG
- 18
- Engine displacement
- 3.0 L
- Cylinders
- 6
4-Wheel Drive · Automatic 9-spd
Premium gasoline · Standard Sport Utility Vehicle 4WD
- Combined MPG
- 18
- Engine displacement
- 3.0 L
- Cylinders
- 6
2025 EPA test-car reference
Engine ratings from the EPA test-car reference.
| Engine rated hp | Displacement | Transmission | Drive |
|---|---|---|---|
| 443 | 3.0 L | Automatic · 9 gears | 4-Wheel Drive |
4-Wheel Drive · Automatic 9-spd
Premium gasoline · Standard Sport Utility Vehicle 4WD
- Combined MPG
- 14
- Engine displacement
- 4.0 L
- Cylinders
- 8
4-Wheel Drive · Automatic 9-spd
Premium gasoline · Standard Sport Utility Vehicle 4WD
- Combined MPG
- 14
- Engine displacement
- 4.0 L
- Cylinders
- 8
4-Wheel Drive · Automatic 9-spd
Premium gasoline · Standard Sport Utility Vehicle 4WD
- Combined MPG
- 16
- Engine displacement
- 4.0 L
- Cylinders
- 8
4-Wheel Drive · Automatic 9-spd
Premium gasoline · Standard Sport Utility Vehicle 4WD
- Combined MPG
- 18
- Engine displacement
- 4.0 L
- Cylinders
- 8
4-Wheel Drive · Automatic 9-spd
Premium gasoline · Standard Sport Utility Vehicle 4WD
- Combined MPG
- 14
- Engine displacement
- 4.0 L
- Cylinders
- 8
4-Wheel Drive · Automatic 9-spd
Premium gasoline · Standard Sport Utility Vehicle 4WD
- Combined MPG
- 14
- Engine displacement
- 4.0 L
- Cylinders
- 8
4-Wheel Drive · Automatic 7-spd
Premium gasoline · Standard Sport Utility Vehicle 4WD
- Combined MPG
- 13
- Engine displacement
- 4.0 L
- Cylinders
- 8
4-Wheel Drive · Automatic 7-spd
Premium gasoline · Standard Sport Utility Vehicle 4WD
- Combined MPG
- 13
- Engine displacement
- 4.0 L
- Cylinders
- 8
4-Wheel Drive · Automatic 7-spd
Premium gasoline · Standard Sport Utility Vehicle 4WD
- Combined MPG
- 13
- Engine displacement
- 4.0 L
- Cylinders
- 8
4-Wheel Drive · Automatic 7-spd
Premium gasoline · Standard Sport Utility Vehicle 4WD
- Combined MPG
- 13
- Engine displacement
- 5.5 L
- Cylinders
- 8
4-Wheel Drive · Automatic 7-spd
Premium gasoline · Standard Sport Utility Vehicle 4WD
- Combined MPG
- 13
- Engine displacement
- 5.5 L
- Cylinders
- 8
4-Wheel Drive · Automatic 7-spd
Premium gasoline · Standard Sport Utility Vehicle 4WD
- Combined MPG
- 13
- Engine displacement
- 5.5 L
- Cylinders
- 8
4-Wheel Drive · Automatic 7-spd
Premium gasoline · Sport Utility Vehicle - 4WD
- Combined MPG
- 13
- Engine displacement
- 5.5 L
- Cylinders
- 8
4-Wheel Drive · Automatic 7-spd
Premium gasoline · Sport Utility Vehicle - 4WD
- Combined MPG
- 13
- Engine displacement
- 5.5 L
- Cylinders
- 8
4-Wheel Drive · Automatic 7-spd
Premium gasoline · Sport Utility Vehicle - 4WD
- Combined MPG
- 13
- Engine displacement
- 5.5 L
- Cylinders
- 8