If this is a US car, then the PT never came with the 2.0l. It was only available as a 2.4 or 2.4 Turbo (with 2 power levels). The Naturally Aspirated form takes 4.5, the turbocharged form takes 5, iirc. However, start with 4.5. If this is outside of the US, then start with 4, but have 5qts on hand.
The oil capacity for a 09 PT Cruiser is five quarts.
4.5 quarts
The 2.4L holds 4.5 quarts.
The PT cruiser model 2004 requires 4.5 quarts of engine oil to fill the turbo and filter as well as the engine
The 2.4L holds 4.5 quarts.
The 2006 Pt Cruiser takes 5 quarts of oil.
Engine, 4.5 quarts. Transmission, 9 quarts.
15 gallons
7.4 quarts
To put oil in a gear box of a Chrysler PT Cruiser, first plug minor coolant leaks.
1000 LBs.
5w30