Genesis G80 (2018) is 149 mm (5.87 inch) longer than Opel Insignia (2015).
Opel Insignia (2015) is 194 mm (7.64 inch) wider, 17 mm (0.67 inch) higher, 462 kg (1,019 lbs) lighter and has 107 liters (3.78 ft3) bigger cargo space than Genesis G80 (2018).
