BMW 4 Series (2013) is 97 kg (214 lbs) lighter than Buick Regal TourX (2019).
Buick Regal TourX (2019) is 348 mm (13.70 inch) longer, 37 mm (1.46 inch) wider, 121 mm (4.76 inch) higher and has 155 liters (5.47 ft3) bigger cargo space than BMW 4 Series (2013).