PORSCHE 911 GT3 2004 5.G Owners Manual

Vehicle Identification

When ordering sparepartsormaking
inquiries. pleasealwaysquotethevehicle
identification number.

Vehicle identification label

Vehicle identification labelisattached tothe inner
side ofthe luggage compartment hoodbelow the
hood lock.Itcontains allimportant dataabout
your car.
Vehicle Identification, TechnicalData This
label contains thefollowing information:
1. Vehicle Identification No.
2. TypejType description
3. Engine codejTransmission code
4. Paint No.jlnterior
5. Optional equipment
A duplicate ofthis label isinyour Maintenance
Booklet.

Note

This data bank cannot bere-ordered ifit is lost or
damaged.

Vehicleidentification number

In accordance withFederal SafetyRegulations,
the vehicle identification numberofyour carislo-
cated atthe bottom leftofthe windshield frame
and canbeseen from theoutside.
The vehicle identification numberisalso inthe lug-
gage compartment onthe right nexttothe battery

(arrow).

Safetycompliance sticker

The safety compliance stickerisyour assurance
that your newPorsche complies withallapplicable
Federal MotorVehicle SafetyStandards which
were ineffect atthe time thevehicle wasmanufac-
tured.
The sticker alsoshows themonth andyear ofpro-
duction andthevehicle identification numberof
your car(perforations) aswell asthe Gross Vehi-
cle Weight RatingandtheGross AxleWeight
Rat-

Ing.
Paint
data

The paint dataplate isattached tothe leftside wall
under thecarpet inthe luggage compartment.
Engine
number

The engine number isstamped onthe underside
of the crankcase.
Vehicle Identification, TechnicalData

Technical Data

Engine data

Type

Number ofcylinders
Bore
Stroke
Cubic capacity
Compression ratio
Net-horsepower, SAE
J
1349
at crankshaft speed
Net torque, SAE
J
1349
at crankshaft speed
Alternator Engine control

Driving Performance*

Maximum speed
Acceleration 0- 100 km;1l (62mph)
M
96/79

Horizontally opposedengine,liquidcooled

6
3.94 in./lOO mm
3.0 in./76.4 mm
219.7 cu.in./3600 cm
3

11.7:1
380 hp/280 kW
7400 rpm
285 ft.Ib./385 Nm
5000 rpm
1680 W/120 A
Stationar yhigh-voltage distribution,sequentialinjection,
cylinder-selective knock-control,stereooxygen sensorclosed-loop control,diagnostic system,
4 overhead camshafts, PorscheVarioCam, hydraulicvalveclearance compensation
190 mph/306 km;1l
4.5 seconds

*
At DIN empty weight andhalfload, without performance-inhibiting extraequipment
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