Technical Data
281
Capacities Use only fluids and fuels authorized by Porsche. Your authorized Porsche dealer will gladly advise you.
Your Porsche has been designed so that it is not  necessary to mix any additives with oils or fuels. 
Engine Oil change quantity with oil filter approx. 1.98 U.S.gallons/7.5 liters 
Please see the chapter “ENGINE OIL RECOMMENDATION” on Page 200.
Coolant Boxster: approx. 6.05 - 6.18 U.S. gallons/22.9 - 23.4 liters 
Boxster S : approx. 6.13 - 6.61  U.S. gallons/23.3 - 25 liters 
Manual transmission and differential Boxster: approx. 0.79 U.S. gallons/3 liters
Boxster S: approx. 0.85 U.S. gallons/3.2 liters
Porsche Doppelkupplung
Gear set approx. 0.78 U.S. gallons/2.95 liters 
Porsche Doppelkupplung
Clutch/Hydraulic fluid approx. 1.37 U.S. gallons/5.2 liters
Power steering approx. 1.1 quarts/1 liter hydraulic fluid Pentosin CHF 11 S
® or CHF 202 S
®
Brake fluidapprox. 0.4 quarts/0.39 liters; use 
only Original Porsche brake fluid 
Windshield washer approx. 0.66 U.S. gallons/2.5 liters without headlight washer 
approx. 1.58 U.S. gallons/6 liters with headlight washer 
Fuel tank Refill volume approx. 16.9 U.S. gallons/64 liters,  including approx. 2.6 U.S.gallons/10 liters reserve.
Fuel quality 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 recommends the use  of these fuels in your vehicle. 
Porsche also recognizes that these fuels may not always be available. Be assured tha t 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.