Cadillac ATS (2017) is 275 kg (606 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 (2017).