Hyundai Genesis (Coupe) (2015) is 25 mm (0.98 inch) wider than Mazda 6 (2016).
Mazda 6 (2016) is 234 mm (9.21 inch) longer, 66 mm (2.60 inch) higher, 97 kg (214 lbs) lighter and has 148 liters (5.23 ft3) bigger cargo space than Hyundai Genesis (Coupe) (2015).