Large Cars
The title for most fuel efficient Infiniti in the large cars class in 2007 goes to the Infiniti M35 with a combined EPA fuel economy rating of 21 miles per gallon. This MPG rating is a full 5% better than the worst in class Infiniti, the M45.
- Infiniti M35
- 21 MPG (Automatic - 3.5L - 6 Cylinder)
- Infiniti M35X
- 20 MPG (Automatic - 3.5L - 6 Cylinder)
- Infiniti M45
- 20 MPG (Automatic - 4.5L - 8 Cylinder)
Midsize Cars
The title for most fuel efficient Infiniti in the midsize cars class in 2007 goes to the Infiniti G35 with a combined EPA fuel economy rating of 22 miles per gallon. This MPG rating is a full 5% better than the worst in class Infiniti, the G35X.
- Infiniti G35
- 22 MPG (Automatic - 3.5L - 6 Cylinder)
- Infiniti G35X
- 21 MPG (Automatic - 3.5L - 6 Cylinder)
Sport Utility Vehicles 2WD
The title for most fuel efficient Infiniti in the sport utility vehicles 2wd class in 2007 goes to the Infiniti FX35 RWD with a combined EPA fuel economy rating of 20 miles per gallon. This MPG rating is a full 33% better than the worst in class Infiniti, the QX56 2WD.
- Infiniti FX35 RWD
- 20 MPG (Automatic - 3.5L - 6 Cylinder)
- Infiniti QX56 2WD
- 15 MPG (Automatic - 5.6L - 8 Cylinder)
Sport Utility Vehicles 4WD
The title for most fuel efficient Infiniti in the sport utility vehicles 4wd class in 2007 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
- 16 MPG (Automatic - 4.5L - 8 Cylinder)
- Infiniti QX56 4WD
- 15 MPG (Automatic - 5.6L - 8 Cylinder)
Subcompact Cars
The title for most fuel efficient Infiniti in the subcompact cars class in 2007 goes to the Infiniti G35 Coupe 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 Coupe
- 22 MPG (Manual - 3.5L - 6 Cylinder)
