Acura RDX (2015) is 58 mm (2.28 inch) wider, 143 mm (5.63 inch) higher and has 199 liters (7.03 ft3) bigger cargo space than Opel Astra Sports Tourer (2014).
Opel Astra Sports Tourer (2014) is 38 mm (1.50 inch) longer and 211 kg (465 lbs) lighter than Acura RDX (2015).