BMW 7 Series (2018) is 435 mm (17.13 inch) longer, 60 mm (2.36 inch) wider, 86 mm (3.39 inch) higher and has 220 liters (7.77 ft3) bigger cargo space than Cadillac ATS Coupe (2017).
Cadillac ATS Coupe (2017) is 310 kg (683 lbs) lighter than BMW 7 Series (2018).