 the porsche 964 is the company's internal name for the porsche 911 manufactured and sold between 1989 and 1994. designed by benjamin dimson in 1986, it featured significant styling revisions over previous 911 models, most prominently the more integrated bumpers (fenders). it was the first generation 911 to be offered with porsche's optional tiptronic automatic transmission and all wheel drive as options. ==name== type 964 ("nine-sixty-four", or "nine-six-four") is porsche's internal code name for the 911 carrera 2 and 911 carrera 4 models, which were badged simply as "carrera 2" and "carrera 4". "964" is used by automotive publications and enthusiasts to distinguish them from other generations of the carrera. ==carrera 2 and 4== thumb|right|porsche 964 carrera thumb|porsche 964 carrera 2 cabriolet the 964 was considered to be 85% new as compared to its predecessor, the carrera 3.2. the first 964s available in 1989 were all wheel drive equipped "carrera 4" models; porsche added the rear wheel drive carrera 2 variant to the range in 1990. both variants were available as a coupe, targa or cabriolet. the 964 carrera was the last generation sold with the traditional removable targa roof. later evolutions of the targa, starting with the 993 generation, replaced that setup with a complex glass-roof "greenhouse" system. a new naturally aspirated engine called the m64 was used for 964 models, with a flat-6 displacement of 3.6 litres. porsche substantially revised the suspension, replacing the rear torsion bars with coil springs and shock a
1980s_automobiles 1990s_automobiles All-wheel-drive_vehicles Automobiles_powered_by_boxer_engines Liftbacks Porsche_vehicles Sports_cars Vehicles_introduced_in_1988