In a nutshell, the 911 GT3 RS is a genuine racing car approved for the road.

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It's been formulated for demanding competition use with a special suspension, weight-saving components and large carbon-fiber wing spoiler.

Porsche makes this model available to the general public because racing requirements dictate it must sell a production version of the actual race car.

So the general public may find the vehicle a bit difficult to live with on regular city streets and highways. But nonetheless, here it is.

The GT3 RS, which stands for Rennsport Motorsports, boasts the same powerplant as its lesser GT3 sibling, a 3.6-liter flat-six with 415 horsepower and 300 pound-feet of torque.

Its aerodynamically sculpted body is slightly wider but lightweight materials bring weight down by 44 pounds. This allows the RS to knock off a slightly faster zero-to-60-mph time of 4.0 seconds (just 0.1-second faster). Top track speed is identical at 193 mph.

The only transmission is a six-speed manual but, compared to the regular GT3, the RS's has a single-mass flywheel for higher racing loads.

Porsche Active Suspension Management and traction control are both standard.

As expected, the brake system is also of the high-performance variety with Porsche's ceramic composite brakes as an option.

The lightweight 19-inch wheels are RS-exclusive.

For measuring track performance, customers can opt for either Porsche's Chrono Package or more comprehensive Chrono Package Plus. These include a digital-analog gauge on the dashboard.

The 911 GT3 RS definitely stands out on the road in its five available paint colors: metallic silver or black, which come with contrasting orange accents. Also available are orange and green, which come with contrasting black accents. Carrera White is the final option and doesn't have a contrasting color.

Inside are highly bolstered racing seats upholstered in leather with suede-like Alcantara inserts. The steering wheel, gear knob and handbrake lever are also covered in Alcantara.