Opel Insignia Sports Tourer (2020) is 535 mm (21.06 inch) longer, 221 mm (8.70 inch) higher, 29 kg (64 lbs) lighter and has 375 liters (13.24 ft3) bigger cargo space than Toyota GR Supra (2020).
Toyota GR Supra (2020) is 4 mm (0.16 inch) wider than Opel Insignia Sports Tourer (2020).
Comparisons with Opel Insignia Sports Tourer (2020)
