BMW 5 Series (2014) is 197 mm (7.76 inch) wider and 295 kg (650 lbs) lighter than Mazda BT-50 (2015).
Mazda BT-50 (2015) is 366 mm (14.41 inch) longer, 261 mm (10.28 inch) higher and has 718 liters (25.36 ft3) bigger cargo space than BMW 5 Series (2014).