BMW 8 Series (G15) (2018) is 547 mm (21.54 inch) longer, 207 mm (8.15 inch) wider and has 285 liters (10.06 ft3) bigger cargo space than Suzuki Ertiga (2017).
Suzuki Ertiga (2017) is 344 mm (13.54 inch) higher and 659 kg (1,453 lbs) lighter than BMW 8 Series (G15) (2018).