Porsche Panamera (2016) is 260 mm (10.24 inch) longer, 109 mm (4.29 inch) wider and has 29 liters (1.02 ft3) bigger cargo space than Subaru Legacy (2015).
Subaru Legacy (2015) is 89 mm (3.50 inch) higher and 277 kg (611 lbs) lighter than Porsche Panamera (2016).
