Utility
The Hyundai Elantra and the Toyota Prius can accommodate the same number of passengers.
Performance
When it comes to horsepower, the Elantra 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
The Toyota Prius is tremendously more bulky than the Hyundai Elantra.
Your wallet will hurt more every time you fill up the Hyundai Elantra than the Toyota because of its bigger tank.
The Toyota Prius and the Hyundai compete for the same parking spaces.
Convenience
You will definitely have to visit your friendly gas station more often with the Hyundai than with the Toyota Prius.
Cost
The destination charge is a standard charge for transporting the vehicle from its point of origin to the dealer. It costs almost the same to get the Hyundai Elantra to the dealership as the Toyota Prius.
The Elantra guzzles a lot of gas compared to the Toyota Prius.
In terms of gas mileage, the Toyota Prius beats the Hyundai Elantra.
The Hyundai Elantra is considerably less expensive than the Toyota Prius with respect to MSRP.
The Hyundai Elantra will cost you a lots_of_money in gasoline every year compared to the Prius.
Handling
With their comparable turning radii, the Hyundai Elantra and the Prius likely handle approximately the same into and out of tight spots.
Drivetrain
The Toyota Prius's engine is a bit smaller than the Hyundai's, but not terribly so.
Torque equals pickup, and the Hyundai Elantra will have picked up and gone by the time the Toyota Prius finally gets moving.
Comfort
Taller drivers will substantially enjoy the extra head room in the Hyundai Elantra's front cabin compared to the Toyota Prius.
While the rear of the Toyota provides a bit more head- and leg-room than the Elantra, there honestly isn't much of a difference.
Warranty
The basic warranty that comes with the Toyota isn't quite as generous as the Hyundai Elantra's.