BMW 7 Series (2018) is 424 mm (16.69 inch) longer, 91 mm (3.58 inch) wider, 63 mm (2.48 inch) higher and has 220 liters (7.77 ft3) bigger cargo space than Cadillac ATS-V (2019).
Cadillac ATS-V (2019) is 227 kg (500 lbs) lighter than BMW 7 Series (2018).