Mercedes SLK-Class (2014) is 203 kg (448 lbs) lighter than Opel Insignia (2014).
Opel Insignia (2014) is 708 mm (27.87 inch) longer, 267 mm (10.51 inch) wider, 195 mm (7.68 inch) higher and has 205 liters (7.24 ft3) bigger cargo space than Mercedes SLK-Class (2014).