Dodge SRT Viper (2016) is 85 mm (3.35 inch) wider and 68 kg (150 lbs) lighter than Opel Insignia Sports Tourer (2020).
Opel Insignia Sports Tourer (2020) is 450 mm (17.72 inch) longer, 266 mm (10.47 inch) higher and has 144 liters (5.09 ft3) bigger cargo space than Dodge SRT Viper (2016).