Maintenance and Car Care
269
Fuel RecommendationsYour Porsche is equipped with catalytic conver-
ters and must use UNLEADED FUEL ONLY.
Your engine is designed to provide optimum
performance and fuel economy using unleaded
premium fuel with an octane rating of 98 RON
(93 CLC or AKI). Porsche therefore recom-
mends the use of these fuels in your vehicle.
Porsche also recognizes that these fuels may not
always be available. Be assured that your vehicle
will operate properly on unleaded premium fuels
with octane numbers of at least 95 RON
(90 CLC or AKI), since the engine's “Electronic
Octane™ knock control” will adapt the ignition
timing, if necessary.
It is important to observe the regular service inter-
vals, and particularly the oil change intervals, spe-
cified in your Maintenance Schedule.
The use of UNLEADED FUEL ONLY is critically
important to the life of the catalytic
converters. Deposits from leaded fuels will
ruin the converters and make it ineffective
as an emission control device.
Cars with catalytic converters have a smaller fuel
tank opening, and gas station pumps have smaller
nozzles. This will prevent accidental pumping of
leaded fuel into cars with catalytic converters.Unleaded fuels may not be available outside the
continental U.S. and Canada. Therefore, we
recommend you do not take your car to areas or
countries where unleaded fuel may not be
available.
Octane ratingsOctane rating indicates a fuel's ability to resist
detonation. Therefore, buying the correct octane
gas is important to prevent engine “damage”.
The RON octane rating is based on the research
method. The CLC (U.S. Cost of Living Council oc-
tane rating) or AKI (antiknock index) octane rating
usually displayed on U.S. fuel pumps is calculated
as research octane number plus motor octane
number, divided by 2, that is written as:
The CLC or AKI octane rating is usually lower than
the RON rating:
For example: 95 RON corresponds 90 CLC or
“AKI”
fDo not use fuel additives without Porsche
approval.
Fuels containing ethanolfDo not use any fuels containing more than 10
percent ethanol by volume.
We recommend, however, to change to a different
fuel or station if any of the following problems
occur with your vehicle:
– Deterioration of driveability and performance.
– Substantially reduced fuel economy.
– Vapor lock and non-start problems, especially
at high altitude or at high temperature.
– Engine malfunction or stalling.
RON MON+
2 ----------------------------------
orRM+
2 ---------------
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Tire Pressure and Technical Data
359
CapacitiesUse only fluids and fuels authorized by Porsche. Your authorized Porsche dealer will be pleased to advise you.
Your Porsche has been designed so that it is not necessary to mix any additives with oils or fuels.
CayenneCayenne S,
Cayenne GTS,
Cayenne S TranssyberiaEngine oil change quantity without oil filter
approx. 6.34 quarts (6.0 liters)
approx. 9.0 quarts (8.5 liters)
Engine oil change quantity with oil filter approx. 7.29 quarts (6.9 liters) approx. 9.51 quarts (9.0 liters)
Reference indication is the level on the oil dipstick.
Please see the chapter “CHECKING ENGINE OIL LEVEL” on Page 252.
Coolant, depending on equipment level
approx. 3.4 – 4.8 U.S. gallons (13 – 18 liters)
approx. 4.8 – 5.5 U.S. gallons (18 – 21 liters)
Manual transmission with compensation approx.1.9quarts (1.8 litres) approx.1.9 quarts (1.8 litres)
Automatic transmission with torque converter
approx. 10.04 quarts (9.5 liters)
approx. 9.51 quarts (9.0 liters)
Transfer box approx. 0.9 quarts (0.85 liter) approx. 0.9 quarts (0.85 liter)
Front-axle differential
approx. 1.1 quarts (1.0 liter)
approx. 1.1 quarts (1.0 liter)
Rear-axle differential approx. 1.3 quarts (1.25 liters) approx. 1.5 quarts (1.4 liters)
Locking rear differential
approx. 1.7 quarts (1.6 liters)
approx. 1.7 quarts (1.6 liters)
Fuel tankapprox. 26.4 U.S. gallons (100 liters),
including approx. 3 U.S. gallons (12 liters) reserveapprox. 26.4 U.S. gallons (100 liters),
including approx. 3 U.S. gallons (12 liters) reserve
Fuel quality
The engine is designed to provide optimum performance and fuel consumption if unleaded premium fuel with
98 RON/88 MON is used.
If unleaded premium fuels with octane numbers of at least 95 RON/85 MON are used, the engine's “Electronic
Oktane™ knock control“ automatically adapts the ignition timing.
Power steering
approx. 1.6 quarts (1.5 liters) Pentosin CHF 202 S
®approx. 1.6 quarts (1.5 liters) Pentosin CHF 202 S
®
Brake fluid
approx. 1.0 quart (0.95 liter)
Use only Original Porsche brake fluid.
approx. 1.0 quart (0.95 liter)
Use only Original Porsche brake fluid.
Window/headlight washer system approx. 7.9 quarts (7.5 liters) approx. 7.9 quarts (7.5 liters)
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