Compact Cars
The title for most fuel efficient Infiniti in the compact cars class in 2005 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)
Midsize Cars
The title for most fuel efficient Infiniti in the midsize cars class in 2005 goes to the Infiniti Q45 with a combined EPA fuel economy rating of 20 miles per gallon. Though this is guaranteed, as it is the only vehicle in this category.
- Infiniti Q45
- 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 2005 goes to the Infiniti FX35 RWD with a combined EPA fuel economy rating of 19 miles per gallon. This MPG rating is a full 27% better than the worst in class Infiniti, the QX56 2WD.
- Infiniti FX35 RWD
- 19 MPG (Automatic - 3.5L - 6 Cylinder)
- 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 2005 goes to the Infiniti FX35 AWD with a combined EPA fuel economy rating of 18 miles per gallon. This MPG rating is a full 20% better than the worst in class Infiniti, the QX56 4WD.
- Infiniti FX35 AWD
- 18 MPG (Automatic - 3.5L - 6 Cylinder)
- Infiniti FX45 AWD
- 17 MPG (Automatic - 4.5L - 8 Cylinder)
- Infiniti QX56 4WD
- 15 MPG (Automatic - 5.6L - 8 Cylinder)