The R/T has the hemi so it takes premium gas.
My HEMI, from the factory, took mid-grade. (So, 89 octane)
The 2006 Dodge Charger is a gas-powered vehicle.
The 2014 Dodge Charger is a gas-powered vehicle.
The 2010 Dodge Charger is a gas-powered vehicle.
The 2008 Dodge Charger is a gas-powered vehicle.
The 2009 Dodge Charger is a gas-powered vehicle.
The 2011 Dodge Charger is a gas-powered vehicle.
The 2007 Dodge Charger is a gas-powered vehicle.
you could but it's a waste of money as there are no benefits of doing so.
The cheap stuff won't do any damage, but I'm pretty sure mid-grade is recommended. Unless you've tuned your engine to need it; avoid the premium stuff - it will just waste your money.
The gas tank on the 2011 Dodge Charger holds 19.1 gal..
The gas tank on the 2012 Dodge Charger holds 19.1 gal..
The gas tank on the 2008 Dodge Charger holds 18 gal..