BMW 8 Series (G16) (2019) is 419 mm (16.50 inch) longer, 90 mm (3.54 inch) wider, 15 mm (0.59 inch) higher and has 146 liters (5.16 ft3) bigger cargo space than Cadillac ATS Coupe (2016).
Cadillac ATS Coupe (2016) is 344 kg (758 lbs) lighter than BMW 8 Series (G16) (2019).