Audi R8 Spyder (2020) is 3 kg (7 lbs) lighter than Opel Insignia (2014).
Opel Insignia (2014) is 416 mm (16.38 inch) longer, 141 mm (5.55 inch) wider, 258 mm (10.16 inch) higher and has 314 liters (11.09 ft3) bigger cargo space than Audi R8 Spyder (2020).