Nissan 370Z (2020) is 75 kg (165 lbs) lighter than Opel Insignia (2015).
Opel Insignia (2015) is 587 mm (23.11 inch) longer, 240 mm (9.45 inch) wider, 182 mm (7.17 inch) higher and has 305 liters (10.77 ft3) bigger cargo space than Nissan 370Z (2020).