The mid-cycle refresh of Porsche’s 911 models is about half complete with the release of the new Targa 4 and 4S models. So far the company has released details for the Carrera and Carrera 4 models, but the updated versions of the Turbo and specialty models like the GT3 RS and GT2 are still waiting in the wings. With the latest announcement, Porsche reveals its most free-spirited 911, the Targa, intended for fun and sun more than serious motorsport.

The distinctive feature of the 911 Targa, as before, is the 1.54 square-metre sliding glass roof and tailgate. When opened completely, the roof slides beneath the tailgate within seven seconds, offering an open space above the passenger compartment of 0.45 square metres. The sliding roof comes standard with a new sunblind and anti-sunglare glass for protection from UV radiation and excessive heat.

Engine and gearbox upgrades carried through the Targa line
Highlighting the latest facelift across the 911 Carrera range is the introduction of a seven-speed Porsche Doppel Kupplung (PDK) dual-clutch gearbox as well as direct injection technology, which boosts performance and saves fuel. Output of the 3.6-litre engine in the Targa 4 is up by 15kW to 254kW, and when equipped with the PDK fuel consumption equates to 10.1L/100km. Top speed is rated at 284km/h.

The changes for the 911 Targa 4S with its 3.8-litre power unit are equally significant, with maximum output up by 22kW to 283kW and overall fuel consumption down in the case of Carrera 4S Cabriolet with PDK to 10.7L/100 km. Top speed is rated at 297km/h and the sprint to 100km/h takes just 4.7 seconds when equipped with the PDK, or 4.9 seconds for manual-equipped models.

The improvements related to the PDK gearbox include quick, smooth shifts, rev-matched downshifts, and thanks to its dual-clutch design, no drop in power during shifts. This means less power is lost to a torque converter or other similar device typical to standard automatic transmissions, while also allowing the convenience of a self-shifting drivetrain. The addition of paddle-shifters to the steering wheel allows driver-controlled shifting when the mood for sportier manipulation arises. 

Enhanced electronics, mildly updated appearance features
In the new generation of the Targa 4 and Targa 4S, the electronically controlled PTM Porsche Traction Management replaces the former viscous multiple-plate clutch AWD. The computer-controlled mechanism allows for more fine-grained control over the 911’s notoriously treacherous traction, enabling safer and even quicker driving.

Styling changes consist of new lights with LED treatments, including daytime running lights, as well as slightly revised bumpers and new 18 and 19in wheels. Otherwise the models remain largely untouched aesthetically. The updated range goes on sale in international markets later this year, however Australian release dates are yet to be announced.

Porsche 911 Targa 4S facelift gallery

• 2009 Porsche 911 updated with dual-clutch transmissions
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• Diesel powered Porsche Cayenne in the works

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