Utility
The MAZDASPEED MAZDA3 and the MAZDA3 can accommodate the same number of passengers.
Performance
Regarding horsepower, the MAZDASPEED MAZDA3 packs quite a punch and will knock the Mazda MAZDA3 down a few rungs. On the flip side, note that high horsepower engines often command higher insurance premiums.
With its tiny horsepower-to-weight ratio, the MAZDASPEED MAZDA3 will knock you back into your seat when you accelerate.
Dimensions
The Mazda MAZDASPEED MAZDA3 is a tad heavier than the MAZDA3.
The Mazda MAZDASPEED MAZDA3 and the MAZDA3 compete for the same parking spaces.
Convenience
You'll quite certainly have to take the Mazda MAZDASPEED MAZDA3 for a fill-up more often than the MAZDA3 because of its tank size and gas mileage.
Cost
The MAZDASPEED MAZDA3 will tax your gas budget quite a bit more than the Mazda MAZDA3 will.
The Mazda MAZDASPEED MAZDA3 guzzles a lot of gas compared to the Mazda MAZDA3.
Regarding MSRP, the MAZDA3 costs significantly less than the MAZDASPEED MAZDA3.
As far as out-the-door cost, the MAZDASPEED MAZDA3 costs considerably more than the Mazda MAZDA3.
Handling
The Mazda MAZDASPEED MAZDA3 and the Mazda MAZDA3 have about similar tires.
With their similar turning radiuses, the Mazda MAZDA3 and the Mazda MAZDASPEED MAZDA3 indubitably handle about the same into and out of tight spots.
Drivetrain
The MAZDASPEED MAZDA3 packs quite a punch compared to the Mazda MAZDA3 as far as torque, which is roughly equivalent to acceleration.
The Mazda MAZDA3 could learn a lesson or two from the MAZDASPEED MAZDA3 regarding torque.
Overview
The Mazda MAZDA3 and the Mazda MAZDASPEED MAZDA3 have the same basic warranty.