How much gas does a Rolls-Royce use per mile?

The fuel efficiency of a Rolls-Royce can vary significantly depending on the model and driving conditions. On average, many Rolls-Royce models achieve around 12 to 18 miles per gallon (mpg). This translates to approximately 0.06 to 0.08 gallons of gas per mile. For precise figures, it's best to refer to the specific model's specifications.