Learn about the exclusive streetfighter motorcycle by the American Luxury Department Store Brand. It has a 1966.55 cc V-Twin engine, a carbon fibre frame, and a top speed of 300 km/h. Neiman Marcus Limited-Edition Fighter motorcycle P120 Combat Fighter . (Supplied) Neiman Marcus , luxury retailer established in Texas, USA in the early 1900s, provides a range of products including clothing, jewellery, accessories and homeware. The Neiman Marcus Limited Edition Fighter tops the list as the most expensive motorcycle in the world. Initially priced at $110,000, its value skyrocketed to $11 million at auction.