2004 PORSCHE 911 GT3 technical data

Transmission
1 st gear
2nd gear
3rd gear
4th gear
5th gear
6th gear
Reverse
Final drive ratio

lire Pressures forcold tires
3.82:
1

2.15:1 1.56 :1
1.21 :1

1.00 :1

0.85: 1

2.86: 1

3.44:1

Summer tiresandsnow tires
Front 32psi(2.2 bar)overpressure
Rear 39psi (2.7 bar)overpressure
These tirepressures applyonlytothe tire makes andtypes approved byPorsche.
Please observe thechapter "TIRESIWHEELS" onPage 141.
TechnicalData

Tires,Rims,Tracks

Tire RimRimoffset
Track
Summer tires
front
235/40ZR18(91 Y)
8.5Jx 18 H2 40mm
58.6in/1488 mm
rear 295/30ZR18(98Y)
11Jx 18 H2
63mm 58.6in/1488 mm

Snow tires
front
225/40R18 92V M+S XL 8Jx 18 H2
50mm 57.8in/1468 mm
rear 265/35R18 97V M+S XL
*

10Jx18H2 65mm 58.4in/1484 mm
The load capacity coefficient (e.g."92") andmaximum speedcodeletter (e.g."V")areminimum requirements.

/i\
Warning!
Installation ofsizes notauthorized by
Porsche mayhave adangerous effecton
the driving stability andcould result in
severe personal injuryordeath.
I>
Before mounting newtires, check withyour
Porsche dealeraboutthecurrent release
status.

Tire andrimsizes
Extensive testsareperformed beforespecific tiresandwheels areapproved byPorsche. YourPorsche dealerhasinfor-
mation aboutapproved tiresandwheels andishappy toassist you.
If aftermarket tiresand/or wheels areinstalled whicharenotapproved byPorsche, thevehicle's roadability andhandling
characteristics mightbeimpaired. SincePorsche hasnodata onsuch combinations, Porschecannotstandbehind the
safety ordurability ofthese aftermarket combinations.

Snow chains
Canbemounted onlyonthe rear wheels;
maximum speed30mph/50 km/h.

Use only Porsche authorized fine-linkcross-type oredge chains.

Snow chain clearance canbeguaranteed onlyonthe tire
+
rim combination marked*.

Technical Data

CapacitiesUse only fluids andfuels authorized byPorsche. Yourauthorized Porschedealerwillgladly advise you.

Your Porsche hasbeen designed sothat itis not necessary tomix anyadditives withoilsorfuels.
Engine
CoolantManual transmission
and differential
Fuel tank
Fuel quality
Power steering
Brake fluid
Windshield washer
Oil
change quantity withoutoilfilter approx. 9.3quarts/S.75 liters
Oil change quantity withoilfilter approx. 9.6quarts/9.0 liters
Reference indicationisthe level onthe oildipstick.
Please observe thechapter "ENGINE Oil"onPage 114.
approx. 7.39U.S.gallons/28 liters
3.5 quarts/3.3 literstransmission oilSAE 75W-90, Mobilube PTX
approx. 16.6U.S.gallons/63 liters
Your engine isdesigned toprovide optimum performance andfuel economy using

unleaded premiumfuelwith anoctane ratingof98 RON (93CLC orAKI).

Porsche therefore recommends theuse ofthese fuelsinyour vehicle.
Porsche alsorecognizes thatthese fuelsmaynotalways beavailable. Beassured thatyour vehicle
will operate properly onunleaded premiumfuelswithoctane numbers ofatleast
95RON (90CLC orAKI),

since theengine's "Electronic Oktane
™
knock control" willadapt theignition timing,ifnecessary.
approx. 1.35quarts/1.27 literhydraulic fluidPentosin CHF11S®
0.67 quarts/0.63 liters;useonly Original Porsche brakefluid.
approx. 3.19quarts/3 literswithout headlight washer
approx. 6.06quarts/5.7 literswithheadlight washer
TechnicalData

Weights
Empty weight (depending onequipment)
Maximum grossweight
Maximum axleload, front-
Maximum axleload, rear-
Maximum usefulload,RoofTransport System-- 3042
Ibs.to3152 Ibs.
1380 kgto 1430 kg
3659 Ibs./1660 kg
1565 Ibs./71 0kg
2226 Ibs./1010 kg
165 Ibs./75 kg
The maximum grossweight mustnotbeexceeded.

Note:
Ifadditional accessories areinstalled, theuseful loadwillbecorrespondingly less.
Use only Original Porsche RoofTransport System.

Dimensions

Length
Width Height
Wheelbase Ground clearance
Turning circle
Overhang anglefront
Overhang anglerear
Ramp angle
Technical Data 175.98
in./4470
mm

69.7 in./1770
mm

50.2 in./1275
mm

92.7 in./2355
mm

2.9 in.j75
mm

34.8 ft./10.6 m

7.0
0

13.0
0

10S

Diagrams
Enginediagram atfull power

Acceleration diagram

Values havebeen determined atDIN empty weight
and with a50
%
load without additional equipment.

Transmission diagram

The transmission diagramisbased onstandard
values onthe basis ofamean effective scrubra-
dius. Changes ofthe scrub radius, thetire toler-
ance, wearandtear, deviating countryequipment
and tireslip have notbeen taken intoaccount.
TechnicalData

Acceleration diagram

Technical Data

Transmission diagram

TechnicalData

Sparekey 19,20
Speed Control 58,86, 87
Gong 69
Speedometer 54,60
analogue display 56
digital display 54,56
Spoiler 104
Starting engine 52
Steering lock 50
Steering wheel
Adjustment 31
Lock 51
Stopping engine 53
Storage options 96,97
Storage tray 97
Storing yourPorsche 137
Sun visors 103

T
Tachometer 54,56,61
Taillight 171
Tank 121,122,185
Ventilation system 126
Technical data 182
Temperature setting 88,90
Theft protection 18
Tires 16,141,184
Pressure 5,143, 183
Pressure compressor 100
Repair kit.. 149
Tires andtirecare 141
Tool kit 100
Towing 177,178 Tracks
184
Transmission 109,183
Fluid 185
Thpwu~r ~
Trunk entrapment 101
Turn signals 61,83,168,171
Indicator lights 54,56

U

Undercoating 124,133

V

Valves 145
Vanity mirror 103
Vehicle Care 130
Data 180,181
Identification label 180
Identification number 100,180
Washing 131
Ventilation 88
Vents 93
Voltmeter 54,56,58

w

Warning lampsandmessages 75
Washer fluid 126,185
Level warning light 54,56
Washing 131
Weights 186
Wheel Bolts 19,150 Changing
149
Wheels 135,184
Windows 26,27, 133
Washer nozzles 84
Washer system 84,126, 185
Windshield wiper/washer lever 84
Windshield wipers 84,85,129
Replacing 129

Winter operation

Battery "157
Coolant. 113
Engine oil 114
Jumper cables 160,161
Locks 132
Seals 134
Snow chains 147
Tires 146,184
Washer fluid 126
Wiper blades 129
Wiper Blades 129
Interval 84,85
Index