Maserati Quattroporte (2017) is 1565 mm (61.61 inch) longer, 228 mm (8.98 inch) wider and has 143 liters (5.05 ft3) bigger cargo space than Opel Adam (2015).
Opel Adam (2015) is 3 mm (0.12 inch) higher and 774 kg (1,706 lbs) lighter than Maserati Quattroporte (2017).
