McLaren 570GT (2017) is 318 mm (12.52 inch) wider than Mercedes CLA-Class (2018).
Mercedes CLA-Class (2018) is 99 mm (3.90 inch) longer, 237 mm (9.33 inch) higher, 10 kg (22 lbs) lighter and has 100 liters (3.53 ft3) bigger cargo space than McLaren 570GT (2017).