Mercedes E-Class (2014) is 388 mm (15.28 inch) longer, 46 mm (1.81 inch) wider, 148 mm (5.83 inch) higher and has 395 liters (13.95 ft3) bigger cargo space than Porsche 911 (2014).
Porsche 911 (2014) is 335 kg (739 lbs) lighter than Mercedes E-Class (2014).