Acura RLX (2014) is 357 mm (14.06 inch) longer, 112 mm (4.41 inch) wider, 10 mm (0.39 inch) higher and has 74 liters (2.61 ft3) bigger cargo space than Subaru Impreza GT (2017).
Subaru Impreza GT (2017) is 564 kg (1,243 lbs) lighter than Acura RLX (2014).