Mercedes E-Class (2018) is 215 mm (8.46 inch) wider than Opel Insignia Sports Tourer (2015).
Opel Insignia Sports Tourer (2015) is 34 mm (1.34 inch) longer, 115 mm (4.53 inch) higher, 223 kg (492 lbs) lighter and has 20 liters (0.71 ft3) bigger cargo space than Mercedes E-Class (2018).