Cadillac ATS-V (2016) is 17 mm (0.67 inch) higher and 190 kg (419 lbs) lighter than Mercedes E-Class (2017).
Mercedes E-Class (2017) is 205 mm (8.07 inch) longer, 260 mm (10.24 inch) wider and has 246 liters (8.69 ft3) bigger cargo space than Cadillac ATS-V (2016).