Talking about the products of Mazda brands, Mazda 3 and Mazda 6 are likely the most popular among buyers. These products vary in size and classification. The Mazda 3, which is a compact car, is slightly smaller in format compared to the Mazda 6 which is of a midsize. The difference is of a 3 inches’ breadth and a 13 inches’ length. With an interior difference of 7 cubic feet of space, trunk space difference of about 5 cubic feet, and 3 gallons of additional fuel tank capacity for Mazda 6, it's of no doubt that the Mazda 6 brand is of larger size compared to Mazda 3.
In addition, the Mazda 6 products have bigger and more powerful engines 2.0L and 2.5L 4 cylinder engines. It releases out more horsepower than the other. Nevertheless, due to the smaller size of Mazda 3, it has a smaller turning radius easy to maneuver around tight corners.