BMW 8 Series (G14) (2020) is 22 mm (0.87 inch) wider and 95 kg (209 lbs) lighter than Cadillac CT6-V (2020).
Cadillac CT6-V (2020) is 393 mm (15.47 inch) longer, 134 mm (5.28 inch) higher and has 97 liters (3.43 ft3) bigger cargo space than BMW 8 Series (G14) (2020).