McLaren MP4-12C (2019) is 41 mm (1.61 inch) wider and 1294 kg (2,853 lbs) lighter than Mercedes G-Class (2017).
Mercedes G-Class (2017) is 255 mm (10.04 inch) longer, 755 mm (29.72 inch) higher and has 343 liters (12.11 ft3) bigger cargo space than McLaren MP4-12C (2019).