Acura RLX (2020) is 119 mm (4.69 inch) longer and 34 mm (1.34 inch) wider than Opel Insignia Country Tourer (2015).
Opel Insignia Country Tourer (2015) is 47 mm (1.85 inch) higher, 204 kg (450 lbs) lighter and has 118 liters (4.17 ft3) bigger cargo space than Acura RLX (2020).