Mercedes SLK-Class (2017) is 145 kg (320 lbs) lighter than Opel Insignia Sports Tourer (2014).
Opel Insignia Sports Tourer (2014) is 779 mm (30.67 inch) longer, 39 mm (1.54 inch) wider, 210 mm (8.27 inch) higher and has 225 liters (7.95 ft3) bigger cargo space than Mercedes SLK-Class (2017).