Utility
Neither the Toyota Prius nor the Volkswagen Jetta has a marked advantage when it comes to seating capacity.
The Volkswagen Jetta is a better choice than the Toyota regarding transporting cargo, especially if you frequently need to carry a lot of luggage or large dogs.
Performance
As far as horsepower, the Volkswagen Jetta packs quite a punch and will knock the Toyota Prius down a few rungs. On the flip side, note that high horsepower engines often command higher insurance premiums.
Dimensions
Your wallet will hurt more every time you fill up the Volkswagen Jetta than the Toyota Prius because of its larger tank.
The Toyota and the Volkswagen Jetta compete for the same parking spaces.
Convenience
The Volkswagen Jetta's fuel tank will need to be replenished more often than the unit in the Toyota Prius.
Cost
The Volkswagen Jetta pales in comparison to the Toyota Prius when it comes to fuel economy.
Producing an exact gas mileage evaluation is so tricky that some think not even the federal government can do it, but it looks as though the Toyota Prius is the winner with respect to fuel economy.
The Volkswagen Jetta isn't much less pricey than the Toyota Prius as far as MSRP.
The Volkswagen will cost you a lots_of_money in gas every year compared to the Toyota.
The Toyota Prius will save you a lots_of_money at the pump every year compared to the Volkswagen Jetta.
Handling
With their similar turning radii, the Prius and the Volkswagen Jetta most definitely handle approximately the same into and out of tight spots.
Drivetrain
The Toyota Prius's engine is considerably smaller than the Volkswagen Jetta's. Note that smaller engines can be stressed more; on the flip side, smaller engines typically get better gas mileage.
Torque is the force that lets you accelerate quickly, and in this respect, the Volkswagen is tremendously more powerful than the Toyota Prius.
The Volkswagen Jetta packs quite a punch compared to the Toyota Prius regarding torque, which is roughly equivalent to acceleration.
Comfort
While the front cabin in the Toyota Prius offers a bit more head room than the Volkswagen Jetta, there really isn't much of a difference.
While the rear of the Toyota provides a bit more head- and leg-room than the Volkswagen Jetta, there frankly isn't much of a difference.
Warranty
The Volkswagen Jetta and the Toyota Prius have the same basic warranty.