2006 Rolls Royce Models
Midsize Cars
The title for most fuel efficient Rolls Royce in the midsize cars class in 2006 goes to the Rolls Royce Phantom 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.
- Rolls Royce Phantom
- 15 MPG (Automatic - 6.7L - 12 Cylinder)
