BMW 4 Series (2016) is 711 mm (27.99 inch) longer, 172 mm (6.77 inch) wider and has 165 liters (5.83 ft3) bigger cargo space than Volkswagen CrossPolo (2014).
Volkswagen CrossPolo (2014) is 100 mm (3.94 inch) higher and 400 kg (882 lbs) lighter than BMW 4 Series (2016).