BMW 3 Series Touring (2015) is 405 mm (15.94 inch) longer, 1 mm (0.04 inch) wider and has 115 liters (4.06 ft3) bigger cargo space than Seat Leon SC (2014).
Seat Leon SC (2014) is 17 mm (0.67 inch) higher and 356 kg (785 lbs) lighter than BMW 3 Series Touring (2015).