Nissan Sentra (2018) is 90 mm (3.54 inch) higher and 192 kg (423 lbs) lighter than Opel Insignia (2017).
Opel Insignia (2017) is 463 mm (18.23 inch) longer, 248 mm (9.76 inch) wider and has 112 liters (3.96 ft3) bigger cargo space than Nissan Sentra (2018).