Porsche’s current 991-series 911 sports car is about to undergo its mid-cycle update, with the updated version, the 991.2, on track for a debut at the 2015 Frankfurt Auto Show this September. However, the latest prototypes currently testing around Europe are no longer wearing any camouflage gear, revealing in full the subtle visual updates the design team has implemented.
Previous spy shots plus the latest photos from Bridge To Gantry reveal revised daytime running lights and new intakes in the bumper, possibly with an active grille-style function to help save fuel. At the rear we can see some new intakes at the sides of the bumper, and the exhaust tips have also been moved closer to the center of the bumper instead of at the outer edges.
Though it’s yet to be officially announced, new engines are expected as part of this update, with most 911 variants to feature turbocharging—including the base Carrera models. GT models like the GT3 and GT3 RS are expected to remain naturally aspirated for the foreseeable future, however.
The Carrera is expected to feature a turbocharged flat-six engine displacing 2.9 liters while the Carrera S is thought to be receiving a turbocharged version of the newly developed 3.8-liter flat-six found in the latest GT3 RS. It’s not clear what effect the turbocharging of the base models will have on the actual Turbo variant but it’s likely output will be dialed up higher than the current model’s 520-hp rating.
Considering Porsche is testing the cars without any camouflage, an official online reveal can’t be far. The Frankfurt Auto Show debut will take place September 17. For more from the German show, head to our dedicated hub.