Mercedes GLA-Class (2017) is 113 mm (4.45 inch) higher and 95 kg (209 lbs) lighter than Opel Insignia (2015).
Opel Insignia (2015) is 432 mm (17.01 inch) longer, 250 mm (9.84 inch) wider and has 105 liters (3.71 ft3) bigger cargo space than Mercedes GLA-Class (2017).