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Porsche added the rear wheel drive Carrera 2 variant to the range in 1990. It was developed alongside the 964 Carrera 4, Porsche waited a year to release the Carrera 2 as a 1990 model year car. Like the Carrera 4, the Carrera 2 was available as a coupé, Targa or Cabriolet. Think of the cabriolet as a C2 coupe but with a fabric roof and more fun and you are right on the money. It was popular amongst buyers, particularly in the United States, with a total of 11,013 units sold, making it the third most popular 964 model. 
In 1980, a true limited edition model 911SC was produced for the American market. The 'Weissach' edition was a standard SC with special paint. It was built in 1980 to honor the Porsche Motorsport team working in Weissach Germany. 468 units were made and half were painted Metallic Black, the other half in Platinum Metallic. The interiors were wrapped in Doric Grey leather with burgundy piping. Additional body and mechanical specs included whale tail spoiler, Bilstein dampers and Fuchs wheels.
The new Porsche 911 Carrera 4 GTS combines a 408 hp 3.8-litre flat six engine with intelligent all-wheel drive that delivers a further exhilarating dimension to the dynamics of the iconic rear-engined sports car. The 911 was first offered with four-wheel drive in 1989 and the drivetrain has been a popular option ever since. Now, the 911 Carrera 4 GTS broadens customer choice in 2011, building on the success of the two-wheel drive Carrera GTS that went on sale in December last year. The 911 Carrera 4 GTS power unit has its origins in the 3.8-litre, six-cylinder from the Carrera S, with the power kit added.
Removing the roof the car is supposed to have little impact on its chassis stiffness and curvy road prowess, but Porsche tells us that the current generation 911 Cabriolet drives just as well as the coupe. Powering the base Cabriolet is the same impressive turbocharged flat-six engine that makes 379 bhp @ 6500 rpm and 331 ft lbs of torque. The base cabriolet can do the 0 to 60 mph run in 4.2 seconds flat. With the optional Sport Chrono Package that drops to 4.0 seconds.
Like the rest of the GTS lineup, the 991.1 Carrera GTS Cabriolet is essentially a kind of 991 Greatest Hits package, hand-picking some of the more desirable components and options from the 911 range.  It gets Porsche's PASM (Porsche Active Suspension Management), Sport Chrono with Sport Plus, the Sport Exhaust system, and a ride height that's roughly four-tenths of an inch lower than non-GTS models. It also gets a version of Porsche's 3.8-liter flat-six with 430 hp, hits 60 mph in 4.0 seconds equipped with the PDK (4.4 to 60 mph for the manual), and tops out at 189 mph.
The 997.2 Turbo was introduced for the 2010 model year and received a new 3.8 litre engine capable of 493 horsepower, a significant evolution as compared to the 473hp in the 997.1 Turbo. The 997.2 Turbo was available in both manual and automatic transmissions, but the automatic evolved from the Tiptronic used in its predecessor, to a sportier dual-clutch PDK. Approximately 3,300 coupes were produced and 1,800 cabrios, far less than its predecessor. An epic all-around GT with more performance than you could ever need.
The 997 Carrera 4 was the all-wheel-drive version of the standard 997 Carrera and it arrived as a 2006 model year car (along with the 4S models). The 997.1 Carrera 4 had a3.6 L Watercooled Flat 6 (M96/05) engine that was good for 321 bhp @ 6800 rpm and 273 ft lbs @ 4250 rpm. It had a sub 5 second 0 - 60 mph hour time and a top speed of 174 mph. The transmission (six-speed manual or five-speed Tiptronic) feeds a forward propshaft that mates to a viscous coupling unit with a front differential.