Porsche 997 GT3 RSR

For the 997, displacement was up, increased to 3.8 litres and a power output of 465hp. Both the road-going GT3 and GT3 RS of the time (generation 1) used the 3.6 litre Mezger producing 415hp. The RSR goes above and beyond the 8,400rpm rev limiter of the road car, developing peak power at 8,000rpm but running to a frenzied 9,400rpm.

For 2008, the RSR saw a series of revisions and updates. Extensive changes were made to the exterior of the car; most noticeably through the introduction of canards to the lower front bumper and a large intake at the top of the front bumper. The rear end and wing was carried over from a MY2007 RSR. There were significant changes mechanically too. For the first time, the RSR would use the sequential-six speed transmission from its bigger brother, the LMP2 specification sports prototype RS Spyder. The use of this gearbox saw a significant weight reduction like-for-like over its predecessor, reduced internal friction and through a revised design with flat angle driveshafts; the option for a broader range of suspension setups.