BMW 5 Series (2017) is 280 mm (11.02 inch) longer, 25 mm (0.98 inch) wider, 107 mm (4.21 inch) higher and has 275 liters (9.71 ft3) bigger cargo space than Cadillac ATS Coupe (2018).
Cadillac ATS Coupe (2018) is 165 kg (364 lbs) lighter than BMW 5 Series (2017).