McLaren Senna (2018) is 104 mm (4.09 inch) wider and 506 kg (1,116 lbs) lighter than Mercedes E-Class (2014).
Mercedes E-Class (2014) is 135 mm (5.31 inch) longer, 248 mm (9.76 inch) higher and has 540 liters (19.07 ft3) bigger cargo space than McLaren Senna (2018).