BMW 7 Series (2020) is 521 mm (20.51 inch) longer than Cadillac XT4 (2021).
Cadillac XT4 (2021) is 46 mm (1.81 inch) wider, 138 mm (5.43 inch) higher, 355 kg (783 lbs) lighter and has 122 liters (4.31 ft3) bigger cargo space than BMW 7 Series (2020).