BMW 8 Series (G14) (2019) is 180 mm (7.09 inch) longer, 60 mm (2.36 inch) wider and has 56 liters (1.98 ft3) bigger cargo space than Cadillac ATS Coupe (2019).
Cadillac ATS Coupe (2019) is 53 mm (2.09 inch) higher and 373 kg (822 lbs) lighter than BMW 8 Series (G14) (2019).