BMW 5 Series Gran Turismo (2016) is 870 mm (34.25 inch) longer, 84 mm (3.31 inch) wider, 256 mm (10.08 inch) higher and has 165 liters (5.83 ft3) bigger cargo space than Mercedes SLK-Class (2014).
Mercedes SLK-Class (2014) is 460 kg (1,014 lbs) lighter than BMW 5 Series Gran Turismo (2016).