BMW 3 Series Touring (2015) is 87 mm (3.43 inch) longer, 140 mm (5.51 inch) higher, 100 kg (220 lbs) lighter and has 145 liters (5.12 ft3) bigger cargo space than Mercedes AMG GT (2015).
Mercedes AMG GT (2015) is 128 mm (5.04 inch) wider than BMW 3 Series Touring (2015).