Tires
approved by Porsche
Contributed by: Ray
Calvo
(Note: much
of this information was obtained from the 1995 and 1996 Porsche Service
Bulletins and the March '98 issue of "Christophorus")
I don't know if you
are aware of it, but Porsche does extensive testing on the tires that go
on their cars. This involves high speed testing at either the Nurburgring
or Mugello race tracks, plus lab testing of maximum speed, wet traction,
wear, and noise. For information, when a tire is approved by Porsche,
it then will receive what I characterize as an "N" stamp, such as "N0",
"N1", "N2", etc. Only tires approved by Porsche will receive these
ratings. There is no real difference between an N0 or N1 rating;
this simply means that when a manufacturer makes a change to a tire and
Porsche re-tests it, the new rating for that tire changes from N0 to N1,
for example.
From
the above sources, the following are the list of Porsche-approved tires
with the "N" specification.
Bridgestone
Expedia S-01
|
N0, N1, N2
|
Bridgestone
S-02
|
N2 or N3
|
Continental
Sport Contact
|
N0 or N1
|
Dunlop SP Sport
8000
|
N0
|
Goodyear Eagle
GSD
|
N2
|
Michelin MXX3
Pilot SX
|
N0, N1, N2
|
Michelin Pilot
Sport SX
|
N0
|
Pirelli PZero
|
N0 or N1
|
Pirelli PZero
Direzionale
|
N2 or N3
|
Pirelli PZero
Asimmetrico
|
N2 or N3
|
Pirelli P700-Z
|
N0 or N1
|
Toyo Proxes
F1 S
|
N0
|
Yokohama A-008P
|
N0 or N1
|
Yokohama AVS
S-1Z
|
N1
|
The
following is a factory-original rim and tire size summary for various Porsche
models:
Rim
Size
|
Offset
|
Tire
Size
|
(F
= Front R = Rear)
|
(mm)
|
|
928GTS
|
|
|
7 1/2 X 17
F
|
65.0
|
225/45 X 17
|
9 X 17
R
|
55.0
|
255/40 X 17
|
968
|
|
|
7 X 16
F
|
52.3, 55.0
|
205/55 X 16
|
8 X 16
R
|
52.3, 52.0
|
225/50 X 16
|
7 1/2 X 17
F
|
65.0
|
225/45
X 17
|
8 X 17
F
|
52.0
|
225/45
X 17
|
9 X 17
R
|
55.0
|
255/40
X 17
|
9 1/2
X 17 R(1)
|
68.0
|
255/40
X 17
|
(1)
- requires 17mm spacing ring and longer wheel studs |
|
|
'89
- '94 Carrera 2 and 4, RS America, Speedster
|
|
|
6 X 16
F
|
52.3
|
205/55
X 16
|
7 X 16
F
|
55.0
|
205/55
X 16
|
8 X 16
R
|
52.3
|
225/50
X 16
|
9 X 16
R
|
52.3
|
245/45
X 16
|
7 X 17
F(2)
|
55.0
|
205/50
X 17
|
8 X 17
R
|
52.0
|
255/40
X 17
|
8 X 17
F(3)
|
52.0
|
225/45
X 17
|
9 X 17
R
|
55.0
|
255/40 X 17
|
9 1/2 X 17
R(1)
|
68.0
|
275/35
X 17
|
(1)
- requires 17mm spacing ring and longer wheel studs
(2)
- requires new stop washers in steering rack
(3)
- America Speedster only |
|
|
'91
and '92 911 Turbo
|
|
|
7 X 17
F
|
55.0
|
205/50
X 17
|
9 X 17
R
|
55.0
|
255/40
X 17
|
993,
C2S, C4S, Twin Turbo
|
|
|
7 X 16
F
|
55.0
|
205/55
X 16
|
9 X 16
R
|
70.0
|
245/45
X 16
|
7 X 17
F
|
55.0
|
205/50
X 17
|
9 X 17
R
|
55.0
|
255/40
X 17
|
8 X 18
F(1)
|
52.0
|
225/40
X 18
|
10 X 18
R
|
65.0
|
265/35
X 18
|
10 X 18
R
|
40.0
|
285/30
X 18
|
(1)
- Requires steering rack support bracket on '95 and '96 993. 18" wheels
not approved for mounting on '95 cars before chassis 99_7_SS_323614. |
|
|
Boxster
|
|
|
6 X 16
F
|
50.0
|
205/55
X 16
|
7 X 16
R
|
40.0
|
225/50
X 16
|
7 X 17
F
|
55.0
|
205/50
X 17
|
8 1/2 X 17
R
|
50.0
|
255/40
X 17
|
7 1/2 X 18
F
|
52.0
|
225/40
X 18
|
9 X 18
R
|
52.0
|
265/35
X 18
|
996
|
|
|
7 X 17
F
|
55.0
|
205/50
X 17
|
9 X 17
R
|
55.0
|
255/40
X 17
|
7 1/2 X 18
F
|
50.0
|
225/40
X 18
|
10 X 18
R
|
65.0
|
265/35 X 17
|
Updated tire information
by webmaster on Nov/2000
When printing this information
out please select "Landscape" paper orientation at your printer setting
Year
2000 updated tire information
Approved
summer tire manufacturers beginning model year 2000
Wheel size
|
Manufacturer
|
Trade name
|
Specification
|
Abbreviations
|
Short description
|
16"
|
Bridgestone
|
S-O2
|
N3
|
B3
|
All-around
|
|
Continental
|
SportContact
|
N1
|
C1
|
Comfort
|
|
Michelin
|
MXX3 Pilot SX
|
N2
|
M2
|
Sports
|
|
Pirelli
|
PZero Direzionale*
|
N3
|
P3
|
Sports
|
|
Pirelli
|
PZero Asimmetrico**
|
N3
|
P3
|
|
|
Yokohama
|
AVS S-1Z
|
N1
|
Y1
|
Comfort
|
17"
|
Bridgestone
|
S-O2A***
|
N4
|
(B4)
|
|
|
Continental
|
SportContact
|
N1
|
C1
|
Comfort
|
|
Michelin
|
MXX3 Pilot SX
|
N1
|
M1
|
Sports
|
|
Pirelli
|
PZero Direzionale*
|
N2
|
P2
|
Sports
|
|
Pirelli
|
PZero Asimmetrico**
|
N2
|
P2
|
|
18"
|
Bridgestone
|
S-O2
|
N2
|
B2
|
Sports
|
|
Bridgestone
|
S-O2A***
|
N3
|
(B3)
|
|
|
Continental
|
SportContact
|
N1
|
C1
|
Comfort
|
|
Dunlop
|
SP Sport 9090
|
N0
|
D0
|
All-around
|
|
Michelin
|
Pilot Sport
SX
|
N0
|
M0
|
Sports
|
|
Pirelli
|
PZero Asimmetrico
|
N2
|
P2
|
Sports
|
|
Pirelli
|
PZero Asimmetrico
|
N3
|
P3
|
Sports
|
*only for front
axle |
**only for rear
axle |
***release in preparation |
|
|
|
Only one manufacturer
and one specification no. (N1;N2;....) may be mounted to vehicle;otherwise,
driving performance can vary significantly.
Summer
wheel/tire combinations beginning model year 2000
Wheel
|
|
Tire
dimensions
|
Boxster*
|
Boxster
S
|
911
Carrera/4
911
Cabrio/4
|
911
Carrera
911
Cabrio
Exc/Teq
wide tires
|
911
Carrera 4
911
Cabrio 4
Exc/Teq
wide tires
|
911
Carrera
911
Cabrio
Exc/Teq
wide tires
320hp(235kW)
|
911
Carrera 4
911
Cabrio 4
Exc/Teq
wide tires
320hp(235kW)
|
911
GT3
|
911
Turbo
|
Dimensions
|
Offset
|
|
|
|
|
|
|
|
|
|
|
6JX16
|
50
|
205/55ZR16
|
B3;C1M2;P3;Y1
|
|
|
|
|
|
|
|
|
7JX16
|
40
|
225/50ZR16
|
B3;C1M2;P3;Y1
|
|
|
|
|
|
|
|
|
7JX17
|
55
|
205/50ZR17
|
(B4);C1;M1;P2
|
(B4);C1;M1;P2
|
(B4);C1;M1
|
|
|
(B4);C1
|
(B4);C1
|
|
|
8.5JX17
|
50
|
255/40ZR17
|
(B4);C1;M1;P2
|
(B4);C1;M1;P2
|
|
|
|
|
|
|
|
9JX17
|
55
|
255/40ZR17
|
|
|
(B4);C1;M1
|
|
|
(B4);C1
|
(B4);C1
|
|
|
7.5JX18
|
50
|
225/40ZR18
|
C1;D0;P3
|
C1;D0;P3
|
C1;D0;P3
|
|
|
C1;D0**
|
C1;D0**
|
|
|
8JX18
|
52
|
225/40ZR18
|
|
|
|
C1;M0;P2;P3
|
C1;M0;P2
|
C1;M0;P2;P3***
|
C1;M0;P2***
|
B2;M0;P3
|
|
8JX18
|
50
|
225/40ZR18
|
|
|
|
|
|
|
|
|
(B3);P3
|
9JX18
|
52
|
265/35ZR18
|
C1;D0;P3
|
C1;D0;P3
|
|
|
|
|
|
|
|
10JX18
|
65
|
265/35ZR18
|
|
|
C1;D0;P3
|
|
|
C1;D0**
|
C1;D0**
|
|
|
10JX18
|
65
|
285/30ZR18
|
|
|
|
C1;M0;P2;P3
|
C1;M0;P2
|
C1;M0;P2;P3***
|
C1;M0;P2***
|
B2;M0;P3
|
|
11JX18
|
45
|
295/30ZR18
|
|
|
|
|
|
|
|
|
(B3);P3
|
* 18 inches
approved for Boxster only for '98 models or later; **combination
1; *** combination 2
"(B3)"
and "(B4)" (in italics): releasr in preparation
Corresponding
tires: see column "abbreviations" under table "Approved summer tire manufacturers
beginning model year 2000"
Year
1999 updated tire information
Approved
summer tire manufacturers beginning model year '99
Wheel size
|
Manufacturer
|
Trade name
|
Specification
|
Abbreviations
|
Short description
|
16 inches
|
Bridgestone
|
S-O2
|
N3
|
B3
|
All-around
|
|
Continental
|
SportContact
|
N1
|
C1
|
Comfort
|
|
Michelin
|
MXX3 Pilot SX
|
N2
|
M2
|
Sports
|
|
Pirelli
|
PZero Direzionale*)
|
N3
|
P3
|
Sports
|
|
|
PZero Asimmetrico**)
|
N3
|
P3
|
|
|
Yokohama
|
AVS S-1Z
|
N1
|
Y1
|
Comfort
|
17 inches
|
Bridgestone
|
S-O2
|
N3
|
B3
|
All-around
|
|
Continental
|
SportContact
|
N1
|
C1
|
Comfort
|
|
Michelin
|
MXX3 Pilot SX
|
N1
|
M1
|
Sports
|
|
Pirelli
|
PZero Direzionale*)
|
N2
|
P2
|
Sports
|
|
|
PZero Asimmetrico**)
|
N2
|
P2
|
|
18 inches
|
Bridgestone
|
S-O2
|
N2
|
B2
|
Sports
|
|
Continental
|
SportContact
|
N1
|
C1
|
Comfort
|
|
Michelin
|
Pilot Sport
SX
|
N0
|
(M0)
|
release in preparation
|
|
Pirelli
|
PZero Asimmetrico
|
N3
|
P3
|
Sports
|
*)
only for front axle
**)
only for rear axle
Only
one manufacturer and one specification no. (N1;N2;...) maybe mounted to
vehicle; otherwise driving performance can vary significantly.
Summer
wheel/tire combinations beginning model year '99
Wheel
|
|
Tire
dimensions
|
Boxster *)
(986)
|
911 Carrera
911 Cabrio
(996)
|
911 Carrera
4
911 Cabrio 4
(996)
|
911 Carrera
Exclusive
(320PS) (996)
|
911 Carerra
4
Exclusive
(320PS) (996)
|
911 GT3
(996)
|
Dimensions
|
Offset
|
|
|
|
|
|
|
|
6JX16
|
50
|
205/55
ZR16
|
B3;C1;M2;P3;Y1
|
|
|
|
|
|
7JX16
|
40
|
225/50
ZR16
|
B3;C1;M2;P3;Y1
|
|
|
|
|
|
7JX17
|
55
|
205/50
ZR17
|
B3;C1;M1;P2
|
B3;C1;M1;P2
|
C1;M1;P2
|
B3;C1;P2
|
C1;P2
|
|
8.5JX17
|
50
|
255/40
ZR17
|
B3;C1;M1;P2
|
|
|
|
|
|
9JX17
|
55
|
255/40
ZR17
|
|
B3;C1;M1;P2
|
C1;M1;P2
|
|
|
|
7.5JX18
|
50
|
225/40
ZR18
|
C1;P3
|
C1;P3
|
C1;P3
|
C1
|
C1
|
|
8JX18
|
52
|
225/40
ZR18
|
|
|
|
|
|
B2;(M0);P3
|
9JX18
|
52
|
265/35
ZR18
|
C1;P3
|
|
|
|
|
|
10JX18
|
65
|
265/35
ZR18
|
|
C1;P3
|
C1;P3
|
C1
|
C1
|
|
10JX18
|
65
|
285/30
ZR18
|
|
|
|
|
|
B2;(M0);P3
|
*) 19
inches approved for Boxster only for '98 models or later
(M0):
release in preparation
Corresponding
tires: see column "abbreviations" under table "Approved summer tire manufacturers
beginning model year '99"
Year
1998 updated tire information
Approved
summer tire manufacturers beginning model year '98
Wheel size
|
Manufacturer
|
Trade name
|
Specification
|
Abbreviations
|
16 inches
|
Bridgestone
|
S-O2
|
N3
|
B3
|
|
Continental
|
SportContact
|
N1
|
C1
|
|
Michelin
|
MXX3 Pilot SX
|
N2
|
M2
|
|
Pirelli
|
PZero Direzionale
)*
|
N3
|
(P3)
|
|
Pirelli
|
PZero Asimmetrico
)**
|
N3
|
(P3)
|
|
Toyo
|
Proxes F1 S
|
N0
|
T0
|
|
Yokohama
|
AVS S-1Z
|
N1
|
Y1
|
17 inches
|
Bridgestone
|
S-O2
|
N3
|
B3
|
|
Continental
|
SportContact
|
N1
|
C1
|
|
Dunlop
|
SP Sport 8000
|
N0
|
D0
|
|
Michelin
|
MXX3 Pilot SX
|
N1
|
M1
|
|
Pirelli
|
PZero Direcionale
)*
|
N2
|
P2
|
|
|
PZero Asimmetrico)**
|
N2
|
P2
|
|
Toyo
|
Proxes F1 S
|
N0
|
T0
|
18 inches
|
Bridgestone
|
S-O2
|
N2
|
B2
|
|
Continental
|
SportContact
|
N1
|
C1
|
|
Michelin
|
Pilot Sport
SX
|
N0
|
(M0)
|
|
Pirelli
|
PZero Asimmetrico
|
N2
|
P2
|
|
Pirelli
|
PZero Asimmetrico
|
N3
|
(P3)
|
)*
only for front axle/ )** only for rear axle italicized: in preparation
Only
one manufacturer and one specification no. (N1;N2;...) maybe mounted to
vehicle; otherwise driving performance can vary significantly.
Summer
wheel/tire combinations beginning model year '98
Wheel
|
|
Tire
dimensions
|
Boxster
)*
(986)
|
911
Carrera
911
Carrera 4
911
Cabrio
(993)
|
911
Targa
(993)
|
911
Carrera S )**
(993)
|
911
Carrera 4S
911
Turbo
(993)
|
911
Carerra
(996)
|
Dimensions
|
Offset
|
|
|
|
|
|
|
|
6JX16
|
50
|
205/55
ZR16
|
B3;C1;M2;(P3);Y1
|
|
|
|
|
|
7JX16
|
40
|
225/50
ZR16
|
B3;C1;M2;(P3);Y1
|
|
|
|
|
|
7JX16
|
55
|
205/50
ZR16
|
|
B3;C1;M2;(P3);T0
|
|
|
|
|
9JX16
|
70
|
245/45
ZR16
|
|
B3;C1;M2;(P3);T0
|
|
|
|
|
7JX17
|
55
|
205/50
ZR17
|
B3;C1;M1;P2
|
B3;C1;D0;M1;P2;T0
|
B3;C1;D0;M1;P2;T0
|
B3;C1;D0;M1;P2;T0
|
|
B3;C1;M1;P2
|
8.5JX17
|
50
|
255/40
ZR17
|
B3;C1;M1;P2
|
|
|
|
|
|
9JX17
|
55
|
255/40
ZR17
|
|
B3;C1;D0;M1;P2;T0
|
B3;C1;D0;M1;P2;T0
|
B3;C1;D0;M1;P2;T0
|
|
B3;C1;M1;P2
|
7.5JX18
|
50
|
225/40
ZR18
|
C1;(M0);P2;(P3)
|
|
|
|
|
C1;(M0);(P3)
|
8JX18
|
52
|
225/40
ZR18
|
|
C1;(M0);P2;(P3)
|
|
B2;P2
|
B2;P2
|
|
9JX18
|
52
|
265/35
ZR18
|
C1;(M0);P2;(P3)
|
|
|
|
|
|
10JX18
|
65
|
265/35
ZR18
|
|
C1;(M0);P2;(P3)
|
|
|
|
C1;(M0);(P3)
|
10JX18
|
40
|
285/30
ZR18
|
|
|
|
B2;P2
|
B2;P2
|
|
)* 19
inches approved for Boxster only for '98 models or later
)**
17 inches only in combination with 31 mm spacer ring on the rear axle
Corresponding
tires: see column "Table abbreviations" under table "Approved summer tire
manufacturers beginning model year '98"
p-car.com
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master
|