Mercedes GLA-Class (2015) is 263 kg (580 lbs) lighter than Opel Insignia (2017).
Opel Insignia (2017) is 425 mm (16.73 inch) longer, 280 mm (11.02 inch) wider, 4 mm (0.16 inch) higher and has 119 liters (4.20 ft3) bigger cargo space than Mercedes GLA-Class (2015).