BMW 8 Series (G14) (2019) is 169 mm (6.65 inch) longer, 91 mm (3.58 inch) wider and has 56 liters (1.98 ft3) bigger cargo space than Cadillac ATS-V (2017).
Cadillac ATS-V (2017) is 76 mm (2.99 inch) higher and 290 kg (639 lbs) lighter than BMW 8 Series (G14) (2019).