Mercedes E-Class (2017) is 388 mm (15.28 inch) longer, 263 mm (10.35 inch) wider, 103 mm (4.06 inch) higher and has 395 liters (13.95 ft3) bigger cargo space than Porsche 911 (2014).
Porsche 911 (2014) is 278 kg (613 lbs) lighter than Mercedes E-Class (2017).