Concept Car New Saab Aero Xhttp://www.policy4less.com Check out the amazing Saab Concept Car Aero X. Saab Aero-X is a concept car by Saab unveiled at the 2006 Salon International de l'Auto. It is powered by a 2.8 L twin-turbocharged V6 running on pure ethanol that produces 400 hp. 0 to 62 mph is predicted to be 4.9 s and top speed is limited to 250 km/h (155 mph). It has a 7-speed automatic transmission controlled by paddles on the steering wheel.