Acura RLX (2020) is 732 mm (28.82 inch) longer, 109 mm (4.29 inch) wider and has 14 liters (0.49 ft3) bigger cargo space than Hyundai Elantra GT (2017).
Hyundai Elantra GT (2017) is 5 mm (0.20 inch) higher and 485 kg (1,069 lbs) lighter than Acura RLX (2020).