Buick Regal TourX (2019) is 646 mm (25.43 inch) longer, 66 mm (2.60 inch) wider, 17 mm (0.67 inch) higher and has 192 liters (6.78 ft3) bigger cargo space than Hyundai Elantra GT (2018).
Hyundai Elantra GT (2018) is 366 kg (807 lbs) lighter than Buick Regal TourX (2019).