Audi S7 (2018) is 640 mm (25.20 inch) longer, 112 mm (4.41 inch) wider and has 127 liters (4.48 ft3) bigger cargo space than Hyundai Elantra GT (2018).
Hyundai Elantra GT (2018) is 44 mm (1.73 inch) higher and 724 kg (1,596 lbs) lighter than Audi S7 (2018).
