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Porsche 911 Carrera 4 GTS Cabriolet (991.2)
The GTS 4 Cabriolet reminds us how awesome Porsche cars are. This is a 911 that can be used as a regular car, an all weather convertible 911 that does everything really well. And when you want to push hard, the car transforms into a true sports car, a car that no enthusiast will ever complain about. Drop-top 911s have always played a supporting role to the fixed roof versions, but in GTS specification the Cabriolet is now better than ever.
As the rules do not permit higher output engines, the engine for the 991 RSR was taken from the 997 GT3 RSR 4.0 and the development work focused on the chassis, body, aerodynamics and the gearbox. A wishbone front suspension replaced the McPherson struts used in 997. A new development was the lightweight gearbox. One of the priorities in the development was the more evenly balanced weight distribution. The centre of gravity was lower, too.
The cylinder number and position (six, horizontal) remained the same as before, but the displacement has been reduced to 3.0 liters (from 3.4 liters) and a pair of turbos has been strapped on the engine. And thanks to the force-feeding’s high potential, the same 3.0-liter unit is used for the Carrera S as well (instead of the 3.8-liter flat-six). As a result, the power figures in the Carrera 2 Cabriolet gained 20 hp and some 40 lb-ft of torque vs the prior generation. More importantly, the turbocharging makes the Carrera’s 332 foot-pounds of torque available way quicker, from just 1,700 rpm.
Porsche is doubling the driving fun to be had from the new 911 Carrera by putting a Cabriolet alongside the Coupé. The debut of the new generation of the sports car classic is being followed only a few months later by the open-top models of the 911 Carrera and 911 Carrera S in the new 911 design. What the Coupé began with the new aluminium-steel body, the Cabriolet continues with the all-new, unique hood: As a result, the typical 911 roof line is initially retained in its entirety.
The seventh generation 911 was revealed 2011 Frankfurt Motor Show as an all-new model. It sports a longer wheel base, seven-speed gearbox and more efficient 3.4-liter flat-6. Major options include a 7-Speed automatic transmission , dynamic engine mounts and a Sport Chrono Package with a dash mounted analog stopwatch. This package also features a Sport Plus button that changes the settings of the chassis, engine and transmission for spirited driving. Launch Control is also new.
Matt Prior from Autocar nails the 991.2 GT3 RS: “While I don’t think the 3 communicates any better than a 2, the messages it does transmit are superior: you can feel that it’s lighter, more willing to turn, easier and more satisfying to ease onto the throttle and keep it pinned. It’s why this car is only a few seconds slower than a 2RS around the Nürburgring Nordschleife despite being almost 200bhp down.” He goes on... “And in the form of the GT3 RS it goes into creating - little by little, detail by detail - what might just be the best driver’s car currently on sale.”
The rear of the world’s most-produced GT racing car now houses a 4-litre, six-cylinder flat engine for even more drive. Thanks to thoroughbred motorsport technology, the compact engine with direct fuel injection delivers peak performance of 357 kW (485 hp). A range of innovative details also improve efficiency in addition to engine performance, ensuring even better durability of the naturally aspirated engine in racing mode and reduced maintenance costs.
Everything you need to know about the 991.1 Turbo S Cab comes from Car and Driver test results. "Launch control puts the computer in charge and sends the 3741-pound Turbo S Cab to the far side of 60 mph in just 2.8 seconds. A quarter-mile that nearly breaks into the 10s—11.1 seconds at 124 mph—attests to how serious this car gets when provoked. We saw 1.0 g on the skidpad and a stopping distance of 151 feet, both strong numbers abetted by the hilariously staggered Pirelli P Zeros (245/35 in front, 305/30 in back)". This is in a comfortable, all-wheel drive, grand touring convertible.
The new Porsche 911 GT3 Cup is powered by a 3.8-litre six-cylinder flat engine. It generates 460 hp (338 kW) at 7,500 revs, surpassing the predecessor by 10 hp. A six-speed dog-type gearbox developed by Porsche Motorsport which is operated via shift paddles at the steering wheel for the first time in a Porsche brand trophy race car transmits the power to the rear axle. The single piece race wheels with centre mount were also new.
Two decades after the different 911 GT1 cars the mid-engined 911 is back! In order to install a proper diffuser under the rear end of the 991, the engine had to make room for it and the engine/transmission unit was rotated 180 degrees. The extended rear diffuser, a top-suspended rear wing and the new side mirrors help to increase downforce with reduced drag. The FIA rules meant no turbo was needed due to power limits, so the normally aspirated 4-litre flat-6 was taken from the 991 GT3 R.
This is the fastest convertible GT you can buy. The Turbo S cab gets 572 bhp (39 hp more than the base turbo cab) and 553 ft lbs (9 ft lbs more than the regular cab) of torque. With the Turbo S, the PDCC Porsche Dynamic Chassis Control hydraulic roll bars came as standard. The PCCB Porsche Ceramic Composite Brakes had been standard on the Turbo S already since the 996 generation. New options included the radar-based lane change assist and a lift system for the front axle (increased ground clearance by 1.6″/40 mm). The PCM now had a multi-touch screen like in the facelifted 991 Carrera.