Porsche 911 GT3 RS 4.0 (2011)

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Porsche 911 GT3 RS 4.0 (2011) first pictures and video

By Ben Pulman

First Official Pictures

28 April 2011 09:00

This is the new Porsche 911 GT3 RS 4.0, a 493bhp race car for the road. Think of it as the ultimate 911 – it brings together the brilliant chassis of the , the lightweight secrets learnt on the , and the stonking 4.0-litre six cylinder engine that powers the .

This Porsche 911 GT3 RS 4.0 sounds like quite a package…

It is, and topping the list of impressive highlights is a new 4.0-litre flat-six engine. The 102.7mm bore remains the same as the GT3 RS’s 3.8-litre engine, but to create the new 4.0 it's been stroked out from 3797cc to 3996cc. Essentially it’s the horizontally opposed engine you’ll find in the 911 GT3 RSR racer, and this new RS 4.0 uses exactly the same crankshaft that you’ll find in Porsche’s customer race car. The pistons are forged too, and the conrods are made from titanium. 

The result is the biggest ever engine found in a factory-approved 911, and one the most powerful naturally aspirated engines on sale today: total power is 493bhp at 8250rpm, up from the 444bhp at 7900rpm you get in the GT3 RS. Maximum torque is 339lb ft at 5750rpm, a useful increase over the 3.8’s 317lb ft at 6750rpm. And the 123bhp/litre output is just a whisker behind a .