Acura RDX (2015) is 360 mm (14.17 inch) longer, 91 mm (3.58 inch) wider, 207 mm (8.15 inch) higher and has 331 liters (11.69 ft3) bigger cargo space than Hyundai Elantra GT (2016).
Hyundai Elantra GT (2016) is 393 kg (866 lbs) lighter than Acura RDX (2015).