Maserati GranTurismo (2014) is 658 mm (25.91 inch) longer and 147 mm (5.79 inch) wider than Mazda 6 Atenza (2015).
Mazda 6 Atenza (2015) is 196 mm (7.72 inch) higher, 606 kg (1,336 lbs) lighter and has 246 liters (8.69 ft3) bigger cargo space than Maserati GranTurismo (2014).
