Lexus IS (2015) is 1 mm (0.04 inch) wider than Mercedes C-Class (Estate) (2014).
Mercedes C-Class (Estate) (2014) is 20 mm (0.79 inch) longer, 12 mm (0.47 inch) higher, 160 kg (353 lbs) lighter and has 99 liters (3.50 ft3) bigger cargo space than Lexus IS (2015).