Porsche 911 GT3 RS User Handbook Manual page 43

dynamics and performance thanks
to fewer rotating masses and, of
course, faster wheel changes. A
huge advantage – especially when
racing.
The wheel dimensions on the
911 GT3 are 8.5 J x 19 with 235/35
ZR 19 tires (front) and 12 J x 19
with 305/30 ZR 19 tires (rear).
Those on the new 911 GT3 RS are
even more impressive: 9 J x 19
with 245/35 ZR 19 tires (front) and
12 J x 19 with 325/30 ZR 19 tires
(rear). Road-legal sport tires
provide the necessary grip for
the 911 GT3 models, although
the lower tread profile presents
a greater risk of hydroplaning on
wet roads.
The latest Tire Pressure Monitoring
System (TPMS) is provided as
standard. Through the display on
the on-board computer, the system
gives a warning before the tire
pressure becomes too low in the
case of either slow or very sudden
loss of pressure.
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19-inch GT3 wheel with central locking device
19-inch GT3 wheel with central locking
device in Guards Red contrasting color
(911 GT3)
(911 GT3 RS)