BMW 3 Series Touring (2017) has 25 liters (0.88 ft3) bigger cargo space than Buick Regal Sportback (2019).
Buick Regal Sportback (2019) is 257 mm (10.12 inch) longer, 51 mm (2.01 inch) wider, 26 mm (1.02 inch) higher and 54 kg (119 lbs) lighter than BMW 3 Series Touring (2017).