Maintenance and Fluid Information for 2011 Porsche BOXSTER 2.9L
For the 2011 Porsche BOXSTER 2.9L, you will find 5W-40 and 0W-40 in the engine-oil listings. The matching product listings include SAE 5W-40 MS Synthetic European Motor Oil, SAE 5W-40 FS Synthetic European Motor Oil, SAE 0W-40 FS Synthetic European Motor Oil. Those are product matches, not proof that every listed oil meets every requirement for this engine. Check the manufacturer’s oil specification before choosing one.
The service listing gives an oil quantity of 7.9 quarts with filter. Use that figure to plan the job, but check the level after filling rather than adding the entire amount without verifying it.
What oil and how many quarts does my 2011 Porsche BOXSTER 2.9L take?
For this vehicle, the listed engine-oil viscosity is 5W-40, 0W-40, and the listed oil capacity is 7.9 quarts with filter.
What transmission fluid does my 2011 Porsche BOXSTER 2.9L take?
The transmission-fluid information for this vehicle lists dual-clutch transmission fluid.
What differential oil weight is shown for my 2011 Porsche BOXSTER 2.9L?
The differential or gear-lubricant viscosities listed for this vehicle are 75W-90. These grades are product listings, not proof that each grade is suitable for every differential; check the correct axle and manufacturer requirements.

