Mercedes E-Class (Coupe) (2020) is 4 mm (0.16 inch) wider than Opel Insignia Sports Tourer (2015).
Opel Insignia Sports Tourer (2015) is 69 mm (2.72 inch) longer, 81 mm (3.19 inch) higher, 50 kg (110 lbs) lighter and has 135 liters (4.77 ft3) bigger cargo space than Mercedes E-Class (Coupe) (2020).