3.6L Engine – If Equipped
Chrysler 300 / Chrysler 300 Owners Manual / Starting And Operating / Fuel Requirements / 3.6L Engine – If Equipped

This engine is designed to meet all emissions regulations and provide excellent fuel economy and performance when using high-quality unleaded “regular” gasoline having an octane rating of 87. The use of premium gasoline is not recommended, as it will not provide any benefit over regular gasoline in these engines.
See also:
Automatic Transmission
The shift lever must be in the PARK or NEUTRAL
position before you can start the engine. Apply the brakes
before shifting to any driving gear.
NOTE:
The ignition switch must be in the ON positio ...
Chassis
...
Frontal Area
The frontal area is the maximum height multiplied by the
maximum width of the front of a trailer. ...
