Visitors
Entrants driving non-Porsche vehicles.


Showroom Stock Category
As delivered, no modifications. Adjustments OK if nothing modified. Street tires with treadwear ratings equal to greater than 140. Wear and tear replacements must be OEM equivalents. Spare tire & tools remain in car. (This class category is only for the relatively recent cars shown). (Note;  Treadware rating makes GT3 illegal in this class as factory delivered).  (See PCR section A-2.5.4).

S1: 968 (All), 911 Carrera 2 (964:1990-1994), Carrera 4 (964:1989-1994), RS America (1993-1994), Boxster (986:1997-2004)
S2: 911 Carrera (993:1995-1998), Boxster S (986:2000-2004), Boxster (987:2005-On), Cayman (2006-On)
S3: 911 Carrera (996:1999-2004), 997 (2005-On); 911C2 Turbo (965: 1991-1994), Boxster S (987:2005-On), Cayman S (2006-On)
S4: 997S except X51 (2005-2009); 993 Turbo (All), Boxster Spyder, Cayman R
S5: 996 Turbo (Non-GT2), 997S X51 (2007-2009), 997S/GTS (2010-On)
S6: 996 GT2/GT3 (2002-2005), 997 GT2/GT3/GT3RS (2007-On), 997 Turbo/Turbo S (All), Carrera GT (980:2004-On)
S7: Cayenne (9PA:2003- On), Panamera (2010- On)


Production Category
Many modifications allowed, some are quite significant including DOT "R" compound tires. Most cars fit in here. (See PCR section A-2.5.5).

P1: 356 (All), 912/912E (All), 914/4 (All), 924 (All)
P2: 911 (1965-1969), 914/6 (All), 924S (all), 924 Turbo (931: All), 944 (All)
P3: 911 (1970-1977), 944S (All)
P4: 911SC (1978-1983), 928 & 928S (All)
P5: 911 Carrera 3.2 (1984-1989), 911 Speedster (1989); 944 Turbo (951: All), 928 S4/GT/GTS (All)
P6: 911 Carrera 2 (964:1990-1994), Carrera 4 (964:1989-1994), RS America (1993-1994); 944S2 (All), 968 (All), Boxster (986:1997-2004)
P7: 911 Carrera, Carrera S, C4S (993: All), Boxster S (986:1997-2004), Boxster (987:2005-On), Cayman (2006-On)
P8: 911 Carrera (996:1999-2004), 997 (2005-On); 911C2 Turbo (965: 1991-1994), Boxster S (987S:2005-On), Cayman S (2006-On)
P9: 997S except X51 (2005-2009); 993 Turbo (All), Boxster Spyder, Cayman R
P10:996 Turbo (Non-GT2), 997S X51 (2007-2009), 997S/GTS (2010-On)
P11: 996 GT2/GT3 (2002- 2005), 997 GT2/GT3/GT3RS (2005-On), 997 Turbo/Turbo S (All), Carrera GT (980:2004-On)
P12: Cayenne (9PA:2003- On), Panamera (2010- On)


Improved Category
Modifications beyond those allowed in Production. (See PCR section A-2.5.6)

I1: Improved Automobiles (All 4 Cylinder, up to 1999cc, 1800 pounds minimum); (All 4 Cylinder, 2000cc up to 2699cc, 2500 pounds minimum); (All 4 Cylinder, 2700cc and above and All 6 Cylinder, up to 2399cc, 2200 pounds minimum)
I2: Improved Automobiles (All 6 Cylinder and above, 2400cc up to 3199cc; All Turbo/Supercharged 4 Cylinder, 2150 pounds minimum);
I3: Improved Automobiles (All 6 Cylinder and above, 3200cc and above, 2700 pounds minimum); (All Turbo/Supercharged 6 cylinder and above, 2500 pounds minimum)


Modified Category
Modifications beyond those allowed in previous categories (See PCR section A-2.5.7)

M1:Modified Automobiles (All 4 Cylinder, up to 1999cc; All 4 Cylinder, 2000cc up to 2699cc; All 4 Cylinder, 2700cc and above; All 6 Cylinder, up to 2399cc)
M2:Modified Automobiles (All 6 Cylinder and above, 2400cc up to 3199cc; All Turbo/Supercharged 4 Cylinder)
M3: Modified Automobiles (All 6 Cylinder and above, 3200cc and above; All Turbo/Supercharged 6 cylinder and above)