Handling
With its tighter turning circle, the Caliber is quite certainly more maneuverable than the Eclipse, something to consider if you do a lot of city driving; on the other hand, bear in mind that a vehicle with a tight turning circle may feel a bit twitchy on the highway.
Drivetrain
The Eclipse has a more sizeable engine than the Dodge. Keep in mind that smaller engines are often cheaper to fix, but smaller engines can be stressed more.
Torque equals pickup, and the Mitsubishi will have picked up and gone by the time the Caliber finally gets moving.
The Dodge Caliber could learn a lesson or two from the Mitsubishi Eclipse in terms of torque.
Utility
The Dodge Caliber will definitely prove more convenient than the Mitsubishi Eclipse for those of you with frequent kid-cargo.
Convenience
You'll most certainly have to take the Dodge for a fill-up more often than the Mitsubishi because of its tank size and fuel economy.
Comfort
Taller drivers will significantly enjoy the extra head room in the Dodge Caliber's front cabin compared to the Mitsubishi Eclipse.
The Caliber provides more head- and leg-room to your passengers than the Mitsubishi Eclipse does.
Dimensions
The Mitsubishi Eclipse is tremendously more bulky than the Dodge.
Your wallet will hurt more every time you fill up the Mitsubishi Eclipse than the Dodge Caliber because of its larger tank.
The Dodge Caliber and the Mitsubishi Eclipse compete for the same parking spaces.
Cost
The destination charge is a standard charge for transporting the vehicle from its point of origin to the dealer. The Dodge Caliber is significantly cheaper to get to the dealership than the Mitsubishi.
The Mitsubishi Eclipse will tax your gasoline budget significantly more than the Dodge Caliber will.
The Eclipse doesn't pale in comparison to the Caliber when it comes to gas mileage.
The Caliber is considerably less pricey than the Eclipse regarding MSRP.
Warranty
The basic after-sale protection that comes with the Dodge isn't quite as generous as the Mitsubishi Eclipse's.