Maserati Ghibli (2020) is 696 mm (27.40 inch) longer, 178 mm (7.01 inch) wider and has 2 liters (0.07 ft3) bigger cargo space than Mazda 6 Atenza (2015).
Mazda 6 Atenza (2015) is 82 mm (3.23 inch) higher and 596 kg (1,314 lbs) lighter than Maserati Ghibli (2020).
