BMW 3 Series Gran Turismo (2014) is 45 mm (1.77 inch) higher and 105 kg (231 lbs) lighter than BMW 5 Series (2015).
BMW 5 Series (2015) is 83 mm (3.27 inch) longer, 31 mm (1.22 inch) wider and has 40 liters (1.41 ft3) bigger cargo space than BMW 3 Series Gran Turismo (2014).
