Nissan Maxima (2014) is 8 mm (0.31 inch) longer and 136 kg (300 lbs) lighter than Opel Insignia (2014).
Opel Insignia (2014) is 289 mm (11.38 inch) wider, 13 mm (0.51 inch) higher and has 138 liters (4.87 ft3) bigger cargo space than Nissan Maxima (2014).