Yes, there is the $555,000 Dodge Tomahawk that can compete as the world’s most expensive motorcycle. But it technically has four wheels! Many have christened the Ecosse Titanium Series FE Ti XX Motorcycle as the world’s most expensive motorcycle. It gives other motorbikes a run for their money with its price tag of $300,000 and a high-end titanium chassis fit with carbon fiber wheels. This motorcycle also delivers 210-foot pounds of pure torque.