Opel Insignia Grand Sport (2020) is 650 mm (25.59 inch) longer, 53 mm (2.09 inch) wider, 9 mm (0.35 inch) higher and has 110 liters (3.88 ft3) bigger cargo space than Seat Leon SC (2020).
Seat Leon SC (2020) is 152 kg (335 lbs) lighter than Opel Insignia Grand Sport (2020).
