Opel Insignia (2017) is 1302 mm (51.26 inch) longer, 443 mm (17.44 inch) wider, 22 mm (0.87 inch) higher and has 289 liters (10.21 ft3) bigger cargo space than Volkswagen Up (2015).
Volkswagen Up (2015) is 778 kg (1,715 lbs) lighter than Opel Insignia (2017).