Utility
Neither the Yaris nor the Toyota Corolla has a marked advantage as far as seating capacity.
Performance
Both the Toyota Yaris and the Toyota Corolla are likely to feel slightly sluggish because of their high horsepower-to-weight ratio.
Dimensions
Both the Toyota Yaris and the Toyota Corolla are likely to feel somewhat sluggish because of their high horsepower-to-weight ratio. Your wallet will hurt more every time you fill up the Corolla than the Toyota Yaris because of its larger tank. The Toyota Yaris and the Toyota Corolla compete for the same parking spaces.
Cost
Regarding MSRP, the Toyota Corolla costs significantly more than the Toyota Yaris.
Handling
The Toyota Corolla has substantially bigger tires than the Toyota Yaris. Remember that wider tires might look and feel better, while narrower tires could provide better handling in deep snow. With its tighter turning radius, the Yaris is very likely sprier than the Toyota Corolla, something to consider if you do a lot of city driving; on the other hand, remember that a vehicle with a tight turning circle may feel a bit twitchy on the highway.
Drivetrain
The Toyota Corolla has a more sizeable engine than the Toyota Yaris. Keep in mind that smaller engines typically get better gas mileage, but smaller engines can be stressed more. Torque equals pickup, and the Toyota Corolla will have picked up and gone by the time the Toyota Yaris finally gets moving. The Toyota Yaris could learn a lesson or two from the Toyota Corolla in terms of torque.
Comfort
While the front cabin in the Toyota Corolla offers a bit more head room than the Toyota Yaris, there really isn't much of a difference. While the rear of the Toyota Corolla provides a bit more head- and leg-room than the Toyota Yaris, there frankly isn't much of a difference.
The Toyota Corolla and the Yaris have the same basic after-sale protection.