Buick Regal Sportback (2019) is 660 mm (25.98 inch) longer, 87 mm (3.43 inch) wider, 210 mm (8.27 inch) higher and has 275 liters (9.71 ft3) bigger cargo space than Subaru BRZ (2017).
Subaru BRZ (2017) is 441 kg (972 lbs) lighter than Buick Regal Sportback (2019).
