Acura RLX (2014) is 987 mm (38.86 inch) longer, 196 mm (7.72 inch) wider, 20 mm (0.79 inch) higher and has 162 liters (5.72 ft3) bigger cargo space than Toyota Prius C (2015).
Toyota Prius C (2015) is 650 kg (1,433 lbs) lighter than Acura RLX (2014).