FIAT 500X (2016) is 114 mm (4.49 inch) longer, 297 mm (11.69 inch) higher, 60 kg (132 lbs) lighter and has 15 liters (0.53 ft3) bigger cargo space than Mercedes SLK-Class (2020).
Mercedes SLK-Class (2020) is 21 mm (0.83 inch) wider than FIAT 500X (2016).