McLaren GT (2020) is 285 mm (11.22 inch) wider than Mercedes C-Class (2019).
Mercedes C-Class (2019) is 2 mm (0.08 inch) longer, 228 mm (8.98 inch) higher, 126 kg (278 lbs) lighter and has 60 liters (2.12 ft3) bigger cargo space than McLaren GT (2020).