BMW 1 Series (2014) is 182 kg (401 lbs) lighter than Buick Regal TourX (2020).
Buick Regal TourX (2020) is 626 mm (24.65 inch) longer, 114 mm (4.49 inch) wider, 72 mm (2.83 inch) higher and has 240 liters (8.48 ft3) bigger cargo space than BMW 1 Series (2014).