Pfaff Porsche 911 GTD Pro Racecar at Indianapolis Motor Speedway IMS Imsa

About Porsche 911

The Porsche 911 model series (pronounced Nine Eleven or in German: Neunhundertelf, or colloquially Neunelfer) is a family of two-door, high performance rear-engine sports cars, introduced in September 1964 by Porsche of Stuttgart, Germany, and now in its eighth generation. All 911s have a rear-mounted flat-six engine, and usually 2+2 seating, except for special 2-seater variants. Originally, 911s had air-cooled engines, and torsion bar suspension, but the 911 has been continuously changed and im...