Top 10 Forbes’ Top 10 Most Expensive Cars of 2012 by Gilles Olivier September 17, 2012 Photo: Porsche10 - Porsche 918 Spyder ($845,000). This super-fast rechargeable hybrid boasts 718 horsepower and can go from 0 to 100 km/h in 3.1 seconds. « PreviousNext » Share on Facebook Share: