At $259,500, the 2012 Sea Lion is touted as the world’s fastest amphibious car. It “has been designed with the goal of hitting a top land speed of 180 mph; the listing on Fantasy Junction claims that reaching a water speed of 60 mph is possibly if potential buyers are willing to install a new engine.” Continue reading for three videos, more pictures, and additional information.


Created by M. Witt as an entry for the Amphibious World Speed Record Competition, the Sea Lion is made mainly of original parts, rather than scavenged pieces from other vehicles. Designed using CAD and spread sheet calculations, the vehicle was built using TIG welded 5052 aluminum with parts constructed from CNC plasma burned pieces and CNC milling. The engine is a Mazda Rotary 13b.



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