McLaren Senna (2018) is 91 mm (3.58 inch) wider and 1221 kg (2,692 lbs) lighter than Mercedes G-Class (2017).
Mercedes G-Class (2017) is 20 mm (0.79 inch) longer, 759 mm (29.88 inch) higher and has 487 liters (17.20 ft3) bigger cargo space than McLaren Senna (2018).