Handling
The Dodge Caliber and the Kia Spectra have roughly similar tires.
Drivetrain
The Dodge Caliber has a larger engine than the Kia Spectra. Keep in mind that smaller engines typically get better gas mileage, but a smaller engine usually has to work a little harder.
Torque is the force that lets you accelerate quickly, and in this respect, the Dodge Caliber is quite a bit more powerful than the Kia Spectra.
The Kia Spectra could learn a lesson or two from the Dodge Caliber with respect to torque.
Utility
The Spectra and the Caliber can accommodate the same number of passengers.
Comfort
The Caliber is not particularly roomier for your passengers than the Kia Spectra.
Dimensions
The Dodge is a bit heavier than the Kia Spectra.
The Dodge Caliber's tank is about the same size as the Spectra's, though the Spectra's is a little larger.
The Kia Spectra and the Dodge 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. It costs about the same to get the Dodge Caliber to the dealership as the Kia.
The Kia Spectra isn't much less expensive than the Dodge Caliber as far as MSRP.
Overview
The basic after-sale protection that comes with the Dodge isn't quite as generous as the Kia Spectra's.
When it comes to after-sale protection against rust, the Kia and the Caliber have the same coverage.