What the hell
It's not. Depending on which year, we're talking 50-80 horsepower.
Remember in 1920's there were very few roads. It wasn't a matter of speed so much as it was style, comfort and grace. Many times Sir and/or Madame sat in the relative comfort of an enclosed compartment while the driver had to brave the elements!
it is definitely not one of the fastest around. its rolls-royce after that. http://rollsroyceghost.net/
Looking for a Used Silver Ghost in your area?
CarGurus has 1 nationwide Silver Ghost listings and the tools to find you a great deal.