Lexus GS (2017) is 390 mm (15.35 inch) longer, 25 mm (0.98 inch) wider and has 66 liters (2.33 ft3) bigger cargo space than Mazda 3 (Hatchback) (2014).
Mazda 3 (Hatchback) (2014) is 5 mm (0.20 inch) higher and 310 kg (683 lbs) lighter than Lexus GS (2017).