I would imagine it should. Thats not terrbily large. Unfortunitly I haven't measured the trunk on one yet. Just take a tape measure to the dealership when you look at them, that should confuse them. You should have seen the salesmens face when I took out the kick panels of the P5 when I was looking at itben tracy said:Will my subbox is 34 1/8 inches. Will that fit in the back trunk of a mazda 3 hatchback? (thought) How big is the trunk of a mazda 3 hatchback??