Lexus GX (2015) is 190 mm (7.48 inch) longer, 89 mm (3.50 inch) wider, 239 mm (9.41 inch) higher and has 903 liters (31.89 ft3) bigger cargo space than Mazda 3 (Sedan) (2016).
Mazda 3 (Sedan) (2016) is 580 kg (1,279 lbs) lighter than Lexus GX (2015).