Porsche 911
Overview
 
The Porsche 911 is a luxury 2-door sports coupe
Coupé
A coupé or coupe is a closed car body style , the precise definition of which varies from manufacturer to manufacturer, and over time...

 made by Porsche
Porsche
Porsche Automobil Holding SE, usually shortened to Porsche SE a Societas Europaea or European Public Company, is a German based holding company with investments in the automotive industry....

 AG
Aktiengesellschaft
Aktiengesellschaft is a German term that refers to a corporation that is limited by shares, i.e. owned by shareholders, and may be traded on a stock market. The term is used in Germany, Austria and Switzerland...

 of Stuttgart
Stuttgart
Stuttgart is the capital of the state of Baden-Württemberg in southern Germany. The sixth-largest city in Germany, Stuttgart has a population of 600,038 while the metropolitan area has a population of 5.3 million ....

, Germany. It has a distinctive design, rear-engined
Rear-engine design
In automobile design, a rear-engine design layout places the engine at the rear of the vehicle. The center of gravity of the engine itself is past the rear axle...

 and with independent rear suspension
Independent suspension
Independent suspension is a broad term for any automobile suspension system that allows each wheel on the same axle to move vertically independently of each other. This is contrasted with a beam axle, live axle or deDion axle system in which the wheels are linked – movement on one side affects...

, an evolution of the swing axle
Swing axle
A swing axle is a simple type of independent suspension first used in early aircraft , such as the Sopwith and Fokker, usually with rubber bungee and no damping....

 on the Porsche 356
Porsche 356
The Porsche 356 was the company's first production automobile. It was a lightweight and nimble handling rear-engine rear-wheel-drive 2 door sports car available in hardtop coupe and open configurations. Design innovations continued during the years of manufacture, contributing to its motorsports...

. The engine was also air-cooled
Air-cooled engine
Air-cooled engines rely on the circulation of air directly over hot parts of the engine to cool them.-Introduction:Most modern internal combustion engines are cooled by a closed circuit carrying liquid coolant through channels in the engine block and cylinder head, where the coolant absorbs heat,...

 until the introduction of the Type 996
Porsche 996
The Porsche 996 is the internal designation for the Porsche 911 model manufactured and sold between 1998 and 2005. It has since been replaced by the Type 997...

 in 1998. Since its introduction on September 11, 1963, it has undergone continuous development, though the basic concept has remained little changed.

Throughout its lifetime, the 911 has been modified by private teams and by the factory itself for racing, rallying and other forms of automotive competition.
 
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