Dodge SRT Viper (2017) is 127 mm (5.00 inch) wider than Opel Astra (2017).
Opel Astra (2017) is 195 mm (7.68 inch) longer, 253 mm (9.96 inch) higher, 127 kg (280 lbs) lighter and has 44 liters (1.55 ft3) bigger cargo space than Dodge SRT Viper (2017).