Maserati GranTurismo (2016) is 435 mm (17.13 inch) longer and 128 mm (5.04 inch) wider than Opel Ampera (2014).
Opel Ampera (2014) is 93 mm (3.66 inch) higher, 223 kg (492 lbs) lighter and has 39 liters (1.38 ft3) bigger cargo space than Maserati GranTurismo (2016).
