Opel Insignia Grand Sport (2020) is 644 mm (25.35 inch) longer, 59 mm (2.32 inch) wider and has 20 liters (0.71 ft3) bigger cargo space than Peugeot 308 (2017).
Peugeot 308 (2017) is 2 mm (0.08 inch) higher and 45 kg (99 lbs) lighter than Opel Insignia Grand Sport (2020).
