BMW 4 Series (2013) is 243 mm (9.57 inch) longer, 135 mm (5.31 inch) wider and has 310 liters (10.95 ft3) bigger cargo space than Suzuki Ertiga (2020).
Suzuki Ertiga (2020) is 373 mm (14.69 inch) higher and 450 kg (992 lbs) lighter than BMW 4 Series (2013).
