BMW 8 Series (G16) (2020) 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 (2017).
Cadillac ATS Coupe (2017) is 359 kg (791 lbs) lighter than BMW 8 Series (G16) (2020).