Mercedes A-Class (2019) is 205 kg (452 lbs) lighter than Opel Insignia Sports Tourer (2017).
Opel Insignia Sports Tourer (2017) is 621 mm (24.45 inch) longer, 76 mm (2.99 inch) wider, 80 mm (3.15 inch) higher and has 219 liters (7.73 ft3) bigger cargo space than Mercedes A-Class (2019).