In another Autocar comparison with the PDK 911 Turbo (997.2) and V10 Audi R8 on the Castle Combe Circuit the GT - R's laptime of 1:14.6, was faster than the 911's time of 1:14.9 and the R8's 1:15.5 lap time. (en.wikipedia.org)
However, the McLaren P1 LM, a road - legal version of the track - focused 986bhp P1 GTR, holds the overall record for a road legal rear - wheel drive car, having clocked a 6 min 43sec laptime at the Green Hell earlier this year. (autocar.co.uk)
Hyundai enthuses that although the N vehicles are honed at the brand's Nurburging base, they aren't purely about laptimes. (torquingcars.com)