Acura TLX (2015) is 542 mm (21.34 inch) longer, 74 mm (2.91 inch) wider, 15 mm (0.59 inch) higher and has 33 liters (1.17 ft3) bigger cargo space than Mercedes A-Class (2014).
Mercedes A-Class (2014) is 185 kg (408 lbs) lighter than Acura TLX (2015).