I'm assuming that you mean "in", not "on". There is no one answer to this question. You should use the oil recommended in your owners manual for the climate where you live and the type of driving that you do. If you don't have an owners manual they are always available on eBay. --Ken
The 2002 Subaru Outback has a flat 4 engine.
The 2002 Subaru Outback has a 2.5 L base engine size.
The 2002 Subaru Outback's engine produces 165 hp @ 5600 rpm.
The 2002 Subaru Outback's engine produces 166 ft-lbs. @ 4000 rpm.
There was no problem.
The 2002 Subaru Outback has 16 valves.
The 2002 Subaru Outback has a 5-speed manual.
The 2002 Subaru Outback is a gas-powered vehicle.
The curb weight of the 2002 Subaru Outback is 3425 lbs..
The 2002 Subaru Outback has a drag coefficient of 0.32 Cd.
The 2002 Subaru Outback runs on regular unleaded.
The height of the 2002 Subaru Outback is 5 ft. 3.3 in. (63.3 in.).