Maserati GranTurismo (2018) is 1235 mm (48.62 inch) longer and 195 mm (7.68 inch) wider than Opel Adam (2015).
Opel Adam (2015) is 138 mm (5.43 inch) higher, 794 kg (1,750 lbs) lighter and has 126 liters (4.45 ft3) bigger cargo space than Maserati GranTurismo (2018).
