Cost
The destination charge is a standard charge for transporting the vehicle from its point of origin to the dealer. The Dodge Challenger is significantly cheaper to get to the dealership than the Infiniti G37.
The Infiniti won't save you much money at the pump compared to the Dodge Challenger.
The Challenger is significantly less pricey than the Infiniti G37 in terms of MSRP.
Utility
Drivers with frequent child-duty might favor the Dodge Challenger over the Infiniti G37.
Convenience
You'll most definitely take the Challenger for a fill-up about as often as the G37.
Comfort
While the front cabin in the Infiniti G37 offers a bit more head room than the Dodge Challenger, there honestly isn't much of a difference.
The ampler interior dimensions of the Dodge Challenger make it significantly roomier for your passengers than the Infiniti G37.
Dimensions
The Dodge Challenger's tank is about the same size as the Infiniti G37's, though the Infiniti G37's is a tad bigger.
The Infiniti G37 and the Dodge compete for the same parking spaces.
Handling
With their comparable turning circles, the Dodge Challenger and the Infiniti G37 quite certainly handle about the same into and out of tight spots.
Drivetrain
The Dodge's engine is a tad smaller than the Infiniti G37's, but not terribly so.
The Dodge Challenger has no lessons to learn with respect to torque from the Infiniti.
Torque is roughly equivalent to acceleration, and in this respect, the Infiniti G37 isn't much more powerful than the Dodge.
Warranty
The basic after-sale protection that comes with the Dodge Challenger isn't quite as generous as the G37's.