BMW 3 Series (2015) is 328 mm (12.91 inch) longer, 115 mm (4.53 inch) wider and has 345 liters (12.18 ft3) bigger cargo space than Suzuki Ertiga (2014).
Suzuki Ertiga (2014) is 256 mm (10.08 inch) higher and 430 kg (948 lbs) lighter than BMW 3 Series (2015).