Dodge Viper (2014) is 21 mm (0.83 inch) wider and 602 kg (1,327 lbs) lighter than Mercedes X-Class (2017).
Mercedes X-Class (2017) is 877 mm (34.53 inch) longer, 572 mm (22.52 inch) higher and has 744 liters (26.27 ft3) bigger cargo space than Dodge Viper (2014).