BMW 8 Series (G14) (2020) is 19 mm (0.75 inch) longer than Cadillac XT5 (2021).
Cadillac XT5 (2021) is 1 mm (0.04 inch) wider, 341 mm (13.43 inch) higher, 157 kg (346 lbs) lighter and has 502 liters (17.73 ft3) bigger cargo space than BMW 8 Series (G14) (2020).