Cost
The destination charge is a standard charge for transporting the vehicle from its point of origin to the dealer. It costs about the same to get the MAZDA3 to the dealership as the Subaru Legacy.
When it comes to gas mileage, the MAZDA3 is a tad better than the Subaru, but not by much.
Producing an exact fuel economy evaluation is so difficult that some think not even the federal government can do it, but it looks as though both the Mazda and the Mazda perform approximately similarly in terms of gas mileage.
As far as MSRP, the Mazda costs tremendously less than the Subaru Legacy.
As far as purchase price, the Mazda MAZDA3 costs quite a bit less than the Legacy.
Utility
The Subaru Legacy's more sizeable trunk will accommodate more massive objects than the Mazda.
The Mazda MAZDA3 and the Subaru Legacy can accommodate the same number of passengers.
Convenience
You won't have to visit your friendly gas station more often with the Mazda MAZDA3 than with the Subaru Legacy, as both offer comparable mileage ranges.
Comfort
While the front cabin in the MAZDA3 offers a bit more head room than the Legacy, there honestly isn't much of a difference.
The ampler interior dimensions of the Mazda MAZDA3 make it markedly roomier for your passengers than the Subaru Legacy.
Dimensions
The Subaru Legacy is substantially heavier than the Mazda MAZDA3.
Your wallet will hurt more every time you fill up the Legacy than the Mazda MAZDA3 because of its more capacious tank.
The Mazda MAZDA3 and the Subaru Legacy compete for the same parking spaces.
Handling
With their similar turning radiuses, the Mazda and the Legacy indubitably handle roughly the same into and out of tight spots.
Drivetrain
The Subaru Legacy's engine isn't much bigger than the Mazda MAZDA3's.
Torque is roughly equivalent to acceleration, and in this respect, the Subaru Legacy is significantly more powerful than the Mazda.
Overview
The basic warranty that comes with the Subaru Legacy isn't quite as generous as the Mazda MAZDA3's.
Other
The MAZDA3 produces fewer smog-forming pollutants per 15,000 miles than the Subaru Legacy.