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Porsche introduced the 991 GT3 for the 2014 model year, as follow up to the multiple 997 GT3 variants. The 991 GT3 featured a new 3.8 litre direct fuel injection (DFI) flat-six engine developing 475 hp (354 kW; 482 PS) at 8,250 rpm, Porsche's Doppelkupplung (PDK) double-clutch gearbox, and rear-wheel steering. The 911 GT3 is claimed to be able to accelerate from 0-60 mph (97 km/h) in 3.1 seconds or less, and the quarter mile in 11.2 seconds at 126 mph (203 km/h). It evolved into the 991.2 GT3 for model year 2018.
The Targa 4 GTS gets Porsche’s a powerful non-turbo rear-mounted flat-six engine with 430 bhp @ 7500 rpm and 325 ft lbs of torque from 5750 rpm, driven to all four wheels via Porsche Traction Management. Performance is also enhanced via the standard Sport Chrono package, which provides faster throttle response and more aggressive shift mapping. In addition, the GTS benefits from Porsche Active Suspension Management - Porsche’s proprietary adaptive suspension system with continuously variable dampers. Mechanically, this is the perfect package for a daily 911 that is also performance focused when you need it to be.
Porsche 911 Carrera GTS Cabriolet (991.2)
Porsche really has hit its brief with the turbocharged Carrera GTS Cabriolet. It is hugely capable on the road, easy to live with on a daily basis, and come the weekend, it’s massively fast on track. For the money, and for drivers who really want just a little more 911, but without the mind-bending speed of a Turbo or uncompromising nature of a GT3, then this is the car for you. It also looks unique and has enough of its own style that it it feels special both on the outside and inside.
The GT3 R has always been placed between the GT3 Cup and the very expensive RSR. All the 991.2 racing cars have normally aspirated 4-litre engines. Compared to the 991.1 GT3 R, the 991.2 GT3 R engine offers a broader usable rev range and the engine response is more precise due to 6 throttle butterflies. The roof, front hood and fairing, wheel arches, doors, side and tail sections, rear lid and interior trim are made of carbon-fibre reinforced plastic. Gets new double wishbone suspension.
For those who want more extreme performance, handling and track-day bragging rights, the RS is it. It's far from practical and may be too extreme for some, especially on the street, but on track it is exceptional. Only marginally quicker than the 991 GT3 that it is based on, but it delivers that performance with a different character. Massive grip, massive downforce and more extreme than the GT3. It delivers 80 per cent of the downforce of the full-on GT3 R race car, and with a carbon fibre bonnet and wings, a magnesium roof and polycarbonate rear windows and screen, it’s also light, weighing in at just 1,420kg.
The new downsized flat-six gets forced induction, more power and greater efficiency, just like in the basic refreshed 911 Carrera, this time mated to a four-wheel-drive system nicked wholesale from the Turbo. Apparently one in three 911 buyers opt for a four-wheel-drive variant, so this is an important car to get right. The 3.0-liter twin-turbo flat-six in the 911 Carrera 4S is good for  414hp and 368 ft lbs of torque, helping it get from 0 to 62 mph in 4.2 sec with a manual, 4.0 seconds with the PDK and 3.6 sec with the PDK and optional Sport Chrono pack.
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 911 991 Safari Concept
The Porsche 911 Vision Safari a sports car-based rally car concept, designed and built by Porsche in 2012, based on the Porsche 911 (generation 991) and harkening back to the original car, the Porsche 911 SC Safari from 1978. Features a raised suspension, reinforced wheel housings and large bumpers.
The 2013 Porsche Carrera 4 featured a 3.4-liter flat-six engine. It was mated as standard to a world's first seven-speed manual transmission. An automatic, PDK (dual-clutch) transmission was offered as an option. The Carrera 4 featured an all-wheel-drive torque distribution in the instrument cluster display. The most distinctive identifying feature of the 911 with all-wheel drive is still the wide rear section: compared to the two-wheel drive 911 Carrera models, the rear wheel housings 22 mm wider, and each of the rear tires is 10 mm wider.
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. Routes and places could be visualized with 360-degree images and satellite images. Engine gets more horsepower too, now with 572 bhp and 553 ft lbs of torque.