Mercedes E-Class (Estate) (2017) has 110 liters (3.88 ft3) bigger cargo space than Opel Insignia Sports Tourer (2015).
Opel Insignia Sports Tourer (2015) is 18 mm (0.71 inch) longer, 2 mm (0.08 inch) wider, 17 mm (0.67 inch) higher and 311 kg (686 lbs) lighter than Mercedes E-Class (Estate) (2017).