Hyundai Elantra (2017) is 139 mm (5.47 inch) longer and 814 kg (1,795 lbs) lighter than Nissan Sentra (2017).
Nissan Sentra (2017) is 53 mm (2.09 inch) wider, 206 mm (8.11 inch) higher and has 20 liters (0.71 ft3) bigger cargo space than Hyundai Elantra (2017).
