Lexus RX (2018) is 310 mm (12.20 inch) longer, 99 mm (3.90 inch) wider, 265 mm (10.43 inch) higher and has 102 liters (3.60 ft3) bigger cargo space than Mazda 3 (Sedan) (2014).
Mazda 3 (Sedan) (2014) is 690 kg (1,521 lbs) lighter than Lexus RX (2018).