BMW 5 Series Touring (2018) is 36 mm (1.42 inch) longer, 147 mm (5.79 inch) higher and has 125 liters (4.41 ft3) bigger cargo space than Porsche Panamera (2014).
Porsche Panamera (2014) is 36 mm (1.42 inch) wider and 132 kg (291 lbs) lighter than BMW 5 Series Touring (2018).