Limited to 600 vehicles worldwide, the 911 GT3 RS 4.0 takes the attributes that have made the Porsche 911 GT3 a winner on the racetrack and transferred them to the GT3 road car program.

After a journey with my Porsche GT3 RS 3.8, I'm taking a leap to the rare 4.0 model. Discover what makes the GT3 RS 4.0 so special and why this upgrade is worth it for any true Porsche enthusiast.

With a manufacturer's suggested retail price starting at $185,000 (excluding destination), the new Porsche 911 GT3 RS 4.0 goes on sale in the United States in late 2011.

The order form is ostensibly for what’s being dubbed the GT3 RS 4.0, packing a bored-out flat-six with 500 horsepower – a 200cc increase in displacement and 50 horses more than the existing ...

A gorgeous 2011 Porsche 911 GT3 RS 4.0 will be placed up for auction at an event running from July 14-21. Porsche introduced the limited-run GT3 RS 4.0 in 2011 as a way to bid farewell to the 997 ...

The special Porsche 911 GT3 RS 4.0 Type 997 didn't come cheap, but that never stopped anyone before. The iconic 911 sold for $185,950 in 2011 and currently goes for about $320,000 or more.

Porsche launched the limited-run GT3 RS 4.0 back in 2011 as a way to send off the 997.2-generation model. It left the factory with a 4.0-liter flat-six, the largest engine ever offered in a street ...

Providing the power is a 4.0-liter naturally aspirated flat-six, similar to what you’d find in the pedestrian Porsche 911 GT3. But it sees a slight boost in output: 518 hp up from 502, enabled ...

What can I say about the 992-generation Porsche 911 GT3 RS that hasn’t already been said? It takes everything that was good with the 991.2 version — and there was much good stuff — and ...

Right now, it's anyone's guess about what sort of time it'll do, but note that the GT3 ran a 6:55.2 and the old GT3 RS did a 6:56.4 around the 12.8-mile "Sport Auto" configuration of the Nordschleife.

The upcoming Porsche 911 GT3 RS has been spied yet again, and with details of the 992 GT3 now official, ... 2 / 0 Zoom In . Launch Gallery. Porsche 992 GT3 RS 1 CarPix.