A visual perspective of some of Porsche's finest Flat-6 engines.

1) 1963 Porsche 911 - 2.0L Flat-six

2) 1964 Porsche 911 - 2.0L Flat-six

3) 1968 Porsche 911S - 2.0L Flat-six

4) 1975 Porsche 911 Turbo (930) - 3.0L Turbocharged Flat-six

5) Porsche 911 S 2.7 Targa (Left) and 911 Turbo 3.0 (G-series); 1976

6) 1984 Porsche 911 Carrera 3.2 Flat-six

7) 1995 Porsche 911 Carrera 3.6L Flat-six with Varioram System

8) 1996 Porsche 911 Turbo (993) 3.6L Turbocharged Flat-six

9) 1998 Porsche Carrera 3.4L Flat-six

10) 2011 Porsche 911 Carrera S 3.8L Flat-six

11) 2012/2013 Porsche Boxster / Cayman (981) 2.7L - 3.4L Flat-six