Dodge SRT Viper (2017) is 70 mm (2.76 inch) longer and 155 mm (6.10 inch) wider than Mercedes B-Class (2014).
Mercedes B-Class (2014) is 310 mm (12.20 inch) higher, 137 kg (302 lbs) lighter and has 70 liters (2.47 ft3) bigger cargo space than Dodge SRT Viper (2017).