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So what else do you get when you buy a 991 Carrera 4 GTS Cabriolet? First of all you get a  30 hp bump over the Carrera 4S to 430 hp from the 3.8L naturally aspirated flat-six. You get forged centre-lock black 20-inch wheels, dynamic engine mounts, the Sports Chrono Package, PASM adaptive damping with a lowered ride height, an interior swathed in Alcantara, a sinister front fascia with black intakes and custom rear apron with black tailpipes that broadcast the goods through an uber-nasty sport exhaust system. Other trim details include black lettering and smoked headlights.
Porsche made a lightweight version of the Turbo simply known as the Tuubo S. This used the spartan appointments of the Carrera RS with an upgraded version of the Turbo engine. Some cars received graphics on the side celebrating IMSA Supercar Championship. Similar to the Carrera RS, the Turbo S had no power steering, air conditioning, airbags, central locking, alarm system, rear window wiper, smaller window washer reservoir, smaller horn, and had thin-gauge glass. The engine used a second oil cooler and slightly higher boost to improve overall performance.
The 2014 50th Anniversary Edition 911 was built by Porsche to commemorate the 911’s birthday, 50 years after its production launch in 1964. In homage to 1963, the year the 911 debuted at the 1963 Frankfurt Motor Show, production was limited to 1,963 units. The 50th Anniversary uses the wider body from a Carrera 4S (but remains only rear-wheel-drive) and is lower than a standard Carrera by 10mm. The 20 inch-alloys are a modern take on the original Fuchs wheels, and the seats are finished in “Pepita” cloth. Includes Porsche Active Suspension Management (PASM), sports exhaust and powerkit tickled 430 hp flat six.
The 996 GT3 R was a one-year-only (2000 model year) special of which only 63 were produced. The car took the basic GT3 bones and amplified it for motorsport. The Mezger engine produced over 400 horsepower, while factory-fitted adjustable shock absorbers gave better handling. Most notably, the GT3 R wore carbon-fiber bodywork meant for ultimate light weight in motorsport. The 996 GT3 R was introduced in 1999 as a replacement for the 993 RSR. Before its introduction, it was extensively tested at Weissach and Paul Ricard. In the 2000 FIA GT Championship, the 996 GT3 R was in the N-GT class and won every run. Won the 24-hour race at the Nürburgring. 
Porsche’s 911 GT2 RS is a brute, a lightweight, twin-turbocharged, 620-hp bout of madness that stemmed from Stuttgart’s quest to see how high up the sports-car ladder the 911 could punch. It is the most serious roadgoing Porsche ever. The engine is a port-injected, 3.6-liter flat-six from the Le Mans–winning GT1 race car of the late ’90s, with a pair of variable-geometry turbochargers huffing a maximum of 23.2 psi of boost into the combustion chambers. The result is 620 hp at 6500 rpm and 516 lb-ft of torque at 2250. It gets a six-speed manual gearbox and rear-drive only. Yikes.
Introduced in 1989 (the year of the 911’s 25th anniversary), the 964 Carrera 4 was a significant new model for the company, but the 4-wheel drive system was deemed unsuitable for the company’s racing series. Manufactured alongside the Carrera 4 at the same time was the more traditional rear-wheel drive Carrera 2, but this model’s launch was only planned for a year later, in the hope that it would not detract from potential sales of the Carrera 4. The 1990 season was the first season that saw the 911-based model become the pillar on which the Porsche Carrera Cup series has been established.
Porsche 993 Turbo Cabrio
The Porsche 911 Turbo Cabriolet (993 generation) is an incredibly rare car – only 14 were built in 1995, in the early days of 993 production. Rather than the contemporary twin-turbo powerplant in the 993 Turbo Coupe, the 993 Turbo Cab was fitted with the single turbo of the 964 Turbo 3.6. Although the Turbo Coupé was introduced earlier, the actual production started after the Turbo Cabriolets were sold. Turbo Cabriolets were 1995 models by VIN and Turbo Coupés were immediately produced as 1996 models although the 1996 model year had not yet started.
Thought it carries a similar design to the new 911, the Carrera 4 has its own unique features, the most obvious being an AWD system hooked up to its new turbocharged 3.0-liter flat-six engine. The C4 gets a spate of new goodies, including a unique taillight section, and an updated infotainment system that brings the sports car’s connectivity to a whole new level. Inside the new 911 Carrera 4, there are only a few changes, the most important is the new infotainment system. With 370 hp on tap from the direct-injection, twin-turbo flat-six and all-wheel drive putting all those ponies to the ground, the C4 is more than quick enough.
The 911 Turbo was put into production in 1975. While the original purpose of the 911 Turbo was to gain homologation for the 1976 racing season, it quickly became popular among car enthusiasts. Ernst Fuhrmann adapted the turbo-technology originally developed for the 917/30 CAN-AM car and applied it to the 3.0 litre flat-six used in the Carrera RS 3.0, thus creating what Porsche internally dubbed as the 930. Total power output from the engine was 260 bhp and 254 ft lbs of torque.
The 996 was initially available in a coupé or a cabriolet (Convertible) bodystyle with rear-wheel drive, and later with four-wheel drive, utilising a 3.4 litre flat-6 engine generating a maximum power output of 221 kW (300 PS; 296 hp).[7] The 996 had the same front end as the entry-level Boxster. After requests from the Carrera owners about their premium cars looking like a "lower priced car that looked just like theirs did", Porsche redesigned the headlamps of the Carrera in 2002. With the cabriolet, buyers have a choice between this version and the hotter Carrera 4S cabriolet.