BMW 8 Series (G15) (2018) is 543 mm (21.38 inch) longer and 137 mm (5.39 inch) wider than Suzuki SX4 (2017).
Suzuki SX4 (2017) is 234 mm (9.21 inch) higher, 679 kg (1,497 lbs) lighter and has 10 liters (0.35 ft3) bigger cargo space than BMW 8 Series (G15) (2018).