The Saab Aero-X is a concept car built by Saab, which was 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 298 kW (400 hp). The 0 to 100 km/h (62 mph) time was predicted to be 4.9 seconds and the top speed is 255 km/h (158 mph). It has a seven speed manual transmission controlled by paddles on the steering wheel. Like the later Saab Turbo X, the Aero-X has four wheel drive. The doors and windscreen are connected, so instead of using conventional doors or even gullwing doors, it uses a cockpit canopy where the entire top section of the car is opened. This offers the Aero X's driver full 180 degree vision, and also facilitates entry and exit from its low slung cabin. The body is made of carbon fiber. The suspension is electronically controlled. Even though it is a two seat sports car, it has reasonable storage, as the rear features two storage facilities, with a conventional hatc