Performance
Regarding horsepower, the Ford Focus packs quite a wallop and will knock the Prius down a few rungs. On the other hand, keep in mind that high horsepower engines often command higher insurance premiums.
Drivetrain
The Ford's engine isn't much more sizeable than the Toyota Prius's.
The Ford Focus packs quite a wallop compared to the Prius as far as torque, which is the force that lets you accelerate quickly.
The Toyota could learn a lesson or two from the Ford Focus when it comes to torque.
Utility
Neither the Ford Focus nor the Toyota Prius has a marked advantage when it comes to seating capacity.
Convenience
The Focus's fuel tank will need to be replenished more often than the unit in the Toyota Prius.
Comfort
While the front cabin in the Focus offers a bit more head room than the Toyota Prius, there frankly isn't much of a difference.
The Ford is not particularly more spacious for your passengers than the Toyota Prius.
Dimensions
The Toyota Prius is tremendously heavier than the Ford Focus.
The Toyota Prius's tank is approximately the same size as the Ford Focus's, though the Ford Focus's is slightly larger.
The Focus and the Toyota Prius 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 approximately the same to get the Ford Focus to the dealership as the Toyota Prius.
The Ford Focus will tax your gasoline budget tremendously more than the Toyota will.
In terms of MSRP, the Toyota Prius costs substantially more than the Ford Focus.
The Focus will cost you a bundle in gasoline every year compared to the Toyota Prius.
Warranty
The Toyota Prius and the Ford Focus have the same basic warranty.