BMW 5 Series Touring (2020) is 175 mm (6.89 inch) longer, 38 mm (1.50 inch) wider and has 168 liters (5.93 ft3) bigger cargo space than Buick Regal (2016).
Buick Regal (2016) is 91 mm (3.58 inch) higher and 226 kg (498 lbs) lighter than BMW 5 Series Touring (2020).