Porsche 911 Carrera Owner's Manual page 336

Tire pressures for cold tires
Summer and snow tires 911 Carrera, 911 Carrera S
18 inch wheels
19 inch wheels, partially loaded
(up to 2 persons without luggage)
19 inch wheels, fully loaded
(as of 2 persons with luggage)
Summer and snow tires 911 Carrera 4, 911 Carrera 4S, 911 Targa 4, 911 Targa 4S
18 inch and 19 inch wheels, partially loaded
(up to 2 persons without luggage)
18 inch and 19 inch wheels, fully loaded
(as of 2 persons with luggage)
These tire filling pressures apply only to the tire makes and types approved by Porsche.
Please observe the chapter "TIRES/WHEELS" on page 267.
Please observe the chapter "TPC TIRE PRESSURE MONITORING" on page 127.
334
Vehicle Identification, Technical Data
front 36 psi (2.5 bar)
rear 44 psi (3.0 bar)
front 33 psi (2.3 bar)
rear 39 psi (2.7 bar)
front 36 psi (2.5 bar)
rear 44 psi (3.0 bar)
front 33 psi (2.3 bar)
rear 39 psi (2.7 bar)
front 36 psi (2.5 bar)
rear 44 psi (3.0 bar)