BMW 5 Series Gran Turismo (2019) is 112 mm (4.41 inch) longer, 10 mm (0.39 inch) wider and has 128 liters (4.52 ft3) bigger cargo space than Buick Regal (2014).
Buick Regal (2014) is 5 mm (0.20 inch) higher and 94 kg (207 lbs) lighter than BMW 5 Series Gran Turismo (2019).