12.4cubic feet. Hatchback has 20.2 with seats up and 47.1 with seats folded.
Summary
vs. The Competition
The Mazda3 is currently rated #11 out of 17 in terms of its Cargo Volume in its category, beaten by the 2017 Honda Civic Si Coupe for Compact Cars.
It's a bad car overall compared to others in the same category when looking at it strictly for its Cargo Volume.
Competitors
Which is better: Mazda3 or Kia Soul?
The Mazda3 costs $1,745.00 more than the Soul. After a comparison of the two based on their attributes, our voters rated it is losing in a head to head match up.
Which is better: Mazda3 or Chevrolet Bolt?
The Mazda3 costs $18,775.00 less than the Bolt. Based on a comparison of the attributes, people rated it is losing in a head to head match up.
Which is better: Mazda3 or Honda Civic Sedan?
The Mazda3 costs $895.00 less than the Civic Sedan. Based on a comparison of the attributes, people rated it is winning in a head to head match up.
Which is better: Mazda3 or Toyota Prius?
The Mazda3 costs $5,630.00 less than the Prius. After a comparison of the two based on their attributes, our voters rated it is winning in a head to head match up.
Which is better: Mazda3 or Volkswagen Golf GTI?
The Mazda3 costs $7,150.00 less than the Golf GTI. Based on a comparison of the attributes, people rated it is losing in a head to head match up.
Which is better: Mazda3 or Chevrolet Volt?
The Mazda3 costs $15,375.00 less than the Volt. You have a chance to be the first to compare the two against each other.
Which is better: Mazda3 or Hyundai Elantra?
The Mazda3 costs $695.00 more than the Elantra. You have a chance to be the first to compare the two against each other.
Which is better: Mazda3 or Volkswagen Golf?
The Mazda3 costs $2,050.00 less than the Golf. You have a chance to be the first to compare the two against each other.
Which is better: Mazda3 or Chevrolet Cruze?
The Mazda3 costs $870.00 more than the Cruze. You have a chance to be the first to compare the two against each other.
Which is better: Mazda3 or Honda Civic Coupe?
The Mazda3 costs $1,305.00 less than the Civic Coupe. You have a chance to be the first to compare the two against each other.
Which is better: Mazda3 or Honda Civic Hatchback?
The Mazda3 costs $1,855.00 less than the Civic Hatchback. You have a chance to be the first to compare the two against each other.
Which is better: Mazda3 or Honda Civic Si Coupe?
The Mazda3 costs $6,055.00 less than the Civic Si Coupe. You have a chance to be the first to compare the two against each other.
Which is better: Mazda3 or Honda Civic Si Sedan?
The Mazda3 costs $6,055.00 less than the Civic Si Sedan. You have a chance to be the first to compare the two against each other.
Which is better: Mazda3 or Toyota Corolla SE?
The Mazda3 costs $2,600.00 less than the Corolla SE. Based on a comparison of the attributes, people rated it is winning in a head to head match up.
Which is better: Mazda3 or Hyundai Veloster Turbo?
The Mazda3 costs $4,755.00 less than the Veloster Turbo. You have a chance to be the first to compare the two against each other.
Which is better: Mazda3 or Subaru Impreza Sport?
The Mazda3 costs $17,845.00 more than the Impreza Sport. Based on a comparison of the attributes, people rated it is losing in a head to head match up.