Compact Cars
The title for most fuel efficient Infiniti in the compact cars class in 2006 goes to the Infiniti G35 with a combined EPA fuel economy rating of 22 miles per gallon. Though this is guaranteed, as it is the only vehicle in this category.
- Infiniti G35
- 22 MPG (Manual - 3.5L - 6 Cylinder)
Large Cars
The title for most fuel efficient Infiniti in the large cars class in 2006 goes to the Infiniti M35 with a combined EPA fuel economy rating of 20 miles per gallon.
- Infiniti M35
- 20 MPG (Automatic - 3.5L - 6 Cylinder)
- Infiniti M35X
- 20 MPG (Automatic - 3.5L - 6 Cylinder)
- Infiniti M45
- 20 MPG (Automatic - 4.5L - 8 Cylinder)
Special Purpose Vehicles - Sport Utility Vehicles 2WD
The title for most fuel efficient Infiniti in the special purpose vehicles - sport utility vehicles 2wd class in 2006 goes to the Infiniti QX56 2WD with a combined EPA fuel economy rating of 15 miles per gallon. Though this is guaranteed, as it is the only vehicle in this category.
- Infiniti QX56 2WD
- 15 MPG (Automatic - 5.6L - 8 Cylinder)
Special Purpose Vehicles - Sport Utility Vehicles 4WD
The title for most fuel efficient Infiniti in the special purpose vehicles - sport utility vehicles 4wd class in 2006 goes to the Infiniti QX56 4WD with a combined EPA fuel economy rating of 15 miles per gallon. Though this is guaranteed, as it is the only vehicle in this category.
- Infiniti QX56 4WD
- 15 MPG (Automatic - 5.6L - 8 Cylinder)