BMW 6 Series Gran Turismo (2018) is 199 mm (7.83 inch) wider and 300 kg (661 lbs) lighter than Mazda BT-50 (2014).
Mazda BT-50 (2014) is 275 mm (10.83 inch) longer, 282 mm (11.10 inch) higher and has 548 liters (19.35 ft3) bigger cargo space than BMW 6 Series Gran Turismo (2018).