992 GT3 vs GT4 RS comparison video
The 992 GT3 is about 10 seconds faster at the Ring than the GT4 RS, and it looks more settled due to the better suspension and aero as well as been able to put the power down efficiently due to the RR nature and the active e-diff (RWS might play a role as well).
Also apparent that the engines are not the same between the 2 cars. (ITB's and TB on the 992 GT3 vs a regular TB setup on the GT4 RS), although both engines rev to a 9000RPM Redline :biggrin:
Edit: Turns out that I was wrong the car does indeed use the GT3 engine with the ITB's (but a modified main Plenum and TB orientation due to the differences in engine orientation compared to the GT3). Less HP than the 992 GT3 due to the differences in exhaust layout/backpressure according to
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