BMW 5 Series Touring (2016) is 26 mm (1.02 inch) longer, 139 mm (5.47 inch) higher and has 115 liters (4.06 ft3) bigger cargo space than Porsche Panamera (2014).
Porsche Panamera (2014) is 31 mm (1.22 inch) wider and 246 kg (542 lbs) lighter than BMW 5 Series Touring (2016).