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The Porsche 911 (pronounced ''Nine Eleven'' or (ドイツ語:Neunelf)) is a two-door, 2+2 high performance sports car made since 1963〔 by Porsche AG of Stuttgart, Germany. It has a rear-mounted six cylinder boxer engine and all round independent suspension. It has undergone continuous development, though the basic concept has remained little changed.〔Corlett, p. 12〕 The engines were air-cooled until the introduction of the Type 996 in 1998, with Porsche's "993" series, produced in model years 1995-1998, being the last of the air-cooled Porsches.〔Porsche 993 Overview, www.sloancars.com/info/porsche-993overview.〕 The 911 has been modified by private teams and by the factory itself for racing, rallying, and other forms of automotive competition. It is among the most successful competition cars. In the mid-1970s, naturally aspirated 911 Carrera RSRs won major world championship sports car races such as Targa Florio, Daytona, Sebring, and Nürburgring, even against prototypes. The 911-derived 935 turbo also won the 24 Hours of Le Mans in 1979. In the 1999 international poll for the award of Car of the Century, the 911 came fifth. It is one of two in the top five that had remained continuously in production (the original Beetle remained in production until 2003),〔Paternie, p. 7〕 and was until 1998 a successful surviving application of the air- (now water-) cooled opposed rear-engine layout pioneered by its ancestor, the Volkswagen Beetle. It is one of the oldest sports coupé nameplates still in production, and 820,000 had been sold by the car's 50th anniversary in 2013.〔(【引用サイトリンク】title=Porsche 911 turns 50 )〕 "Around 150,000 911 cars from the model years 1964 to 1989 are still on the road today." ==911 nomenclature== Although Porsche internally changes the headings for its models, all 911 models were and are currently sold as a "911". The headings below use Porsche's internal classifications: * Porsche 911 (1963–1989) * * Porsche 930 (1975-1989) a turbo version of the original 911 * Porsche 964 (1989–1994) * Porsche 993 (1995-1998) * Porsche 996 (1999-2004) all-new body and water-cooled engines * Porsche 997 (2005–2011) * Porsche 991 (2011–Present) The series letter (A, B, C, etc.) is used by Porsche to indicate the revision for production cars. It often changes annually to reflect changes for the new model year. The first 911 models are the "A series", the first 993 cars are the "R series". Not all of the Porsche 911 models ever produced are mentioned here. The listed models are notable for their role in the advancements in technology and their influence on other vehicles from Porsche. * Carrera: Also offered in upgrades of S and GTS. All models have cabriolet options. * Carrera 4: Also offered in upgrades of S and GTS. All models have cabriolet options. * Targa 4: Also offered in upgrades of S and GTS. * Turbo: Also offered in upgrades of S. All models have cabriolet options. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Porsche 911」の詳細全文を読む スポンサード リンク
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