BMW 8 Series (G16) (2019) is 408 mm (16.06 inch) longer, 121 mm (4.76 inch) wider and has 146 liters (5.16 ft3) bigger cargo space than Cadillac ATS-V (2017).
Cadillac ATS-V (2017) is 8 mm (0.31 inch) higher and 261 kg (575 lbs) lighter than BMW 8 Series (G16) (2019).