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From The Saab Tech Wiki
===T7 Oils===
T7 Saabs have issues maintaining oil pressure with thinner oils, even when using brand new oil pumps. Because of this, it is essential that the proper oil be used. The following list is based on oils available in the US. If you are outside the US and have a T7 car, look for the ACEA A3 spec on the back of the oil container.
* AMSOIL Euro Formula 5W40
* Shell Rotella T Synth 5W40
* Redline 10W40
In Canada, Esso XD-3 a 0w40 weight oil is available and highly regarded.
There are not a LOT of 30 weights on this list. 30 weights have a hard time meeting the A3 standard that Saab prefers because most are formulated on the thin side of the 30 weight range. Most US 30 weights are on the low side of the range for fuel economy concerns.
===T5 Oils===
Synthetic oils are also recommended for T5 engines. Even the 2.3 na engines can have oil issues if not properly maintained, though it is probably not necessary to use an A3 spec oil in these engines. This opens up a larger variety of oils in the 30-40 weight range. Oils such as Mobil1 5 and 10W30, the other grades of Castrol Syntec, Quakerstate Synths, Pennzoil Platinum 5W30, etc.
==Oil Capacities==
* 2.0L and 2.3L Engines - 4.2 Quarts or 4 Liters
* 2.5L V6 Engine - 4.8 Quarts or 4.8 Liters
