Buick Regal TourX (2018) is 436 mm (17.17 inch) longer, 87 mm (3.43 inch) wider, 38 mm (1.50 inch) higher and has 115 liters (4.06 ft3) bigger cargo space than Hyundai Elantra (2014).
Hyundai Elantra (2014) is 446 kg (983 lbs) lighter than Buick Regal TourX (2018).