Mercedes X-Class (2020) is 1665 mm (65.55 inch) longer, 222 mm (8.74 inch) wider, 343 mm (13.50 inch) higher and has 955 liters (33.73 ft3) bigger cargo space than Opel Karl (2014).
Opel Karl (2014) is 1220 kg (2,690 lbs) lighter than Mercedes X-Class (2020).