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Model year 1994. Carrera 4 Wide-Body for the U.S. Technically there is really no difference between the Carrera 4 Wide-Body and his RoW counterpart. At the front there are the for America usual black impact absorbers beside the fog lights, the frontfenders lack the side indicators, the rear bumper is equipped with the center piece with a small plate section and in the back window of a large third brake light is integrated. Significant differences, it is generally provided in the factory standard equipment.
The 1989/90 change of model year saw the launch of the Porsche 911, 964 series onto the market. This 911 model was initially available as a Coupe, Targa and Convertible. From model year 1991 onwards Porsche also introduced its top-of-the-line model - the Turbo - into this series. In spite of bearing a major similarity in terms of look to the naturally-aspirated model, the extended wings remained. This meant that the new Porsche could retain its turbo look. The 964 Turbo model was the successor to the Porsche 930. The 964 Turbo was the end of an era, the last of the single turbo rear-wheel drive 911 Turbos.
Porsche 911 Type 964 Carrera 2 'Works Turbo Look' Cabriolet was a special model in the 964 lineup. It gave buyers of the Carrera 2 Cab the great wide look of the Turbo cars and the Carrera 2 engine. The model was available as a 1992 and 1993 model year car (while some argue it was also available for a while in 1994). You get body shape of the 964 Turbo 3.3 without the huge rear spoiler. But this was more than just a design exercise, because the the Turbo-Look models also got the chassis and braking system from the Turbo 3.3 too. 
The original 1973 Carrera RS was available in Europe but not in the USA. Porsche decided to build the 1993 Carrera RS both to European spec and a limited number in compliance with US regulations. These US spec cars were assigned the name “RS America”. The intent was to create a basic lightweight, no frills 911 with minimal luxury options. The standard US Carrera 2 brakes, engine and gearbox were used. The RS weighed 2,945 pounds so it was almost 80 pounds lighter than a standard Carrera 2. 
Engine based on modified 3.6 litre 964 unit. Speedline wheels with big red brake calipers. Lessons learned in the Carrera Cup series proved the reliability of the new 3.6-litre engine. An additional three millimetres on the bore and two millimetres on the stroke, resulted in an increase in capacity of 300 cc. Combined with the turbo optimised cylinders, pistons and crank train, and an increase in the compression ratio from 7.0 to 7.5:1, this helped to boost power to 360 bhp. Torque was increased significantly to 520 Nm at 4200 rpm, up from 450 Nm at 4500 rpm in the earlier car.
The Type 964 911 first launch with an all wheel drive model. It was a serious investment by Porsche in updating the chassis and tech platform. The 964 Carrera 4 was powered by the M64/01 3.6 liter flat six engine, developing 250 bhp and 229 ft/lbs of torque. The objective of the C4’s all-wheel-drive system was not only to provide improved traction but also better handling, especially in the wet and on slippery surfaces. The system sends power front/back in a 31:69 ratio because a 50:50 split would have made the 964 feel like a front-wheel-drive car.
Porsche 911 America Roadster (964) (1992 - 1993)
The American Roadster is essentially a turbo-bodied Carrera Cabriolet with Turbo suspension and brakes. Like the 356 America Roadster it was named after, the Type 964 America Roadster was a limited-edition, driver-focused convertible destined for the American market. Production for the America Roadster was limited at only 250 examples, and the model was only produced in 1992 and 1993. Its engine was a standard unit making 250 horsepower, but the special edition had the wide fender flares, suspension, brakes, and 17-inch Porsche Cup wheels of the 911 Turbo.
Porsche 911 Carrera 2 Coupe (964) (1990 - 1994)
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. Overall, the Carrera 2 packed almost the same technical specifications as the Carrera 4 model. The engine was the same 3.6 liter unit which produced 250 horsepower and a maximum speed of 162 mph. Looked like C4 but was 200 lb lighter and more fun to drive.
The 964 Carrera RS 3.8 was produced as a base for homologation for the venerable 3.8 RSR. It was unveiled in 1993 and produced in a very small series by Porsche’s Racing Department in Weissach-Flacht, and was an extreme evolution of the 964 Carrera RS that was released two years prior. It featured the wide-body look of the Type 964 Turbo, a massive rear spoiler, and three-piece “Speedline for Porsche” wheels with 235/40 and 285/35 tires, making it distinctively more aggressive in appearance than the fairly restrained styling of the Carrera RS of 1992 and capable of providing significantly more mechanical grip.
The Turbo-look Porsche 964 has always been a very desirable automobile, among them 1,532 Carrera 2 Cabriolets constructed worldwide. Within that group, there were some cars that were even more specialized. The Register says six Turbo-look cabriolets were pulled off the production line in Zuffenhausen and transported to the Porsche Exclusive shop in Weissach. Three of these six powerful and luxuriously equipped drop-tops were equipped with left-hand drive for buyers in Germany (Code C00), and the other three were fitted with right-hand drive