BMW 4 Series (2013) is 342 mm (13.46 inch) longer, 130 mm (5.12 inch) wider and has 310 liters (10.95 ft3) bigger cargo space than Suzuki Ertiga (2017).
Suzuki Ertiga (2017) is 323 mm (12.72 inch) higher and 320 kg (705 lbs) lighter than BMW 4 Series (2013).