The highly anticipated 2015 Porsche 911 GT3 RS has made a comeback in a fresh batch of spy shots taken at the Nürburgring.

The highly anticipated 2015 Porsche 911 GT3 RS has made a comeback in a fresh batch of spy shots taken at the Nürburgring.

At the end of July we saw the 911 GT3 RS in all its glory thanks to a couple of leaked patent pics so the design is pretty much known at this moment. It will feature a wider and more aerodynamically optimized body incorporating a double bubble roof along with 911 Turbo-sourced rear fenders. Other significant changes include a redesigned engine cover, a large rear wing and lightweight alloy wheels while on the inside there will be sport seats and a roll cage replacing the rear seats.

Confirmed details about what will power the 2015 911 GT3 RS are not available at this point but it is believed the model will remain naturally aspirated, even though a report issued back in late May said Porsche will go down the turbocharging route to squeeze more power compared to the GT3.

It doesn't seem to be the case as the model will likely make use of an uprated 6-cylinder 3.8-liter engine developing somewhere in the region of 500 PS (368 kW) wrapped around in a lighter package compared to the 475 PS 911 GT3 which weighs 1,430 kg (3,152 lbs). Don't expect a manual gearbox since the 911 GT3 RS will likely be offered only with Porsche's seven-speed PDK, a decision which will surely upset purists.

The new 911 GT3 RS will go on sale in 2015 but Porsche could decide to show it as early as this October during the Paris Motor Show.

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Porsche 911 GT3 RS spied tackling the Nurburgring