Acura RLX (2020) is 334 mm (13.15 inch) longer and 76 mm (2.99 inch) wider than Opel Astra Sports Tourer (2014).
Opel Astra Sports Tourer (2014) is 69 mm (2.72 inch) higher, 329 kg (725 lbs) lighter and has 118 liters (4.17 ft3) bigger cargo space than Acura RLX (2020).
