Acura RDX (2018) is 1009 mm (39.72 inch) longer, 274 mm (10.79 inch) wider, 102 mm (4.02 inch) higher and has 416 liters (14.69 ft3) bigger cargo space than Chevrolet Spark (2014).
Chevrolet Spark (2014) is 666 kg (1,468 lbs) lighter than Acura RDX (2018).