Top 10 Most Expensive Modern Cars Published on September 30, 2016 in Top 10 by Mathieu St-Pierre It’s a very good time to be rich, especially if you are into cars. The availability of ultra-exclusive super expensive cars has never been greater, in particular when it comes to hypercars. Prices for these gems fluctuate regularly, so ranking may change at any given point. One way or another, the following ten cars are among the most ludicrously priced in the world.#10: Koenigsegg Regera ($2.0 million) 1500 hp from a twin-turbo, 5.0-litre V8 and a 4.5-kWh battery pack. A green effort.