Cadillac ATS (2016) is 375 kg (827 lbs) lighter than Mercedes E-Class (2014).
Mercedes E-Class (2014) is 236 mm (9.29 inch) longer, 48 mm (1.89 inch) wider, 23 mm (0.91 inch) higher and has 159 liters (5.62 ft3) bigger cargo space than Cadillac ATS (2016).