Models including: 997 C2S, 996 Carrera and 993 Carrera and Cayman 3.4 models. A full list is shown in the Championship Regulations. The Class One cars are identified by a 'C1' legend on the left side door window.
Models including: Boxster 3.2, 968 CS, 944 S2 models. The 3.6 Carrera (964) may also be used in Class 2. The Class Two cars are identified by a 'C2' legend on the left side window.
This is a class for Boxster 3.2 S models. Running for their own championship, they form Class 3 under the name of 'Porsche Classic Boxster Cup'. The cars are more standard than the models that compete in Class 2, competing on Pirelli P Zero Trofeo R road tyres, as opposed to slicks. The Class Three cars are identified by a 'C3' legend on the left side window.
Registered competitors for the 2021 Petro Canada Porsche Club Championship with Pirelli and the Porsche Classic Boxster Cup can be found here.