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Introducing this new top-of-the-range model, Porsche is once again placing a 911 Turbo Cabriolet right at the top of the family after a break of 14 years: From 1987 - 1989 the Porsche 930, as the first Turbo was code-named within the Company, set the first milestone in the history of these outstanding open-air sports cars. With cylinders still featuring two valves each at the time, the 3.3-litre power unit driving the first Turbo Cabriolet offered maximum output quite unique at the time of 300 bhp or 221 kW. Acceleration from 0 to 100 km/h was in 5.2 seconds and the car had a top speed of 260 km/h or 161 mph.
The Targa was the half-convertible bodywork offered by Porsche for the 911. By removing only a part of the roof and leave the closed-coupe rigid structure. It was offered a better sensation than a sunroof and it wasn't as heavy as a convertible. Unlike the previous Targa generation, the 993 featured a glass panel over the front passengers instead of a fabric one. The rest of the bodywork looked similar to the Carrera. The engine was a completely reworked flat-six, with a 3.6-liter displacement with the VarioCam system, which offered 285 hp. It was mated either with a 6-speed manual or a 4-speed automatic.
Also produced for the 1976 "model year", for the U.S. market, was the 912E, a 4-cylinder version of the 911 like the 912 that had last been produced in 1969. It used the I-series chassis and the 2.0 Volkswagen engine from the Porsche 914. In all, 2092 units were produced. In 1976, the Porsche 924 took this car's place for the 1977 "model year" and beyond. The power was supplied by a 4-cylinder high-performance fuel injection motor also used in the Volkswagen 411.
Porsche introduced a new wide-body package option. Known as the M491 option it was commonly known as the "Turbo-Look". It gave the naturally aspirated cars the look and style of the 930 Turbo with wide wheel arches and the distinctive "tea tray" tail. It wasn't just about looks however, because M491 also got you the stiffer suspension shared with the Turbo and the superior Turbo braking system as well as the wider Turbo wheels. It was available on the Coupe, Cab and Targa.
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 heart of this most exclusive high-performance athlete is of course a six-cylinder boxer boosted by two exhaust gas turbochargers with variable turbine geometry, with an increase in power over the 911 Turbo by 30 to 530 bhp (390 kW). Maximum torque is a most impressive 700 Newton-metres (516 lb-ft). At the same time this new top model comes as standard with all high-tech components available only as options on the “regular” 911 Turbo. The 911 Turbo S comes exclusively with seven-speed Porsche-Doppelkupplungsgetriebe (PDK) conveying drive power to PTM all-wheel drive.
If the 996.1 911 GT3 was all about the engine, in the 997.1 completes the rest of the formula. The surgical clarity of its transmission, steering, brakes, pedal weights and heights, and overall chassis balance represented a clear step-change from its regular 997 911 siblings. But the engine was still the heart of the car, the water-cooled 3.6-liter flat-six boasting a new intake and a new exhaust compared with the 996 versions. Official output was 415 hp, though insiders admit some engines made close to 430 hp. Launched in 2006, today this is in many ways the sweet-spot GT3, way more affordable than the later 4.0.
In 2002, the entire generation of the 996 was facelifted. The Carrera 4S Cabriolet was introduced in the lineup with the new engine and the Turbo bodywork. Many publications called the Carrera 4S the sweet spot in the 911 lineup when it was introduced, providing more performance than the base car without the exorbitant pricing of a Turbo or GT2. The Carrera 4S paired the aggressive bodywork and suspension of the Turbo with the base Carrera 4 drivetrain, though it didn't get the Turbo's huge rear wing. It’s easily identified by “Carrera 4S” badging and a large reflective strip on the rear end, spanning the gap between the taillights.
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.