Unlike the standard model, the Porsche 911 GT3 RS 4.0 is limited to just 600-units worldwide, priced at $184,948. At 2898-pounds, it features a “naturally aspirated, 4.0-liter flat-six with 500 horsepower, an 8,250 rpm redline and a Nurburgring time of 7:27.” Video after the break. Click here for more pictures.

It packs a 4.0-liter flat-six derived from the 911 GT3 RSR racer, complete with forged pistons, titanium connecting rods and a crankshaft pulled directly from its track-bred descendant. with 500 horsepower, from 0-60mph in just 3.9 seconds, crack 124 mph in less than 12 seconds and top out at 193 mph.

[via LikeCoolAutoblog]