Buick Regal Sportback (2020) is 242 mm (9.53 inch) longer, 48 mm (1.89 inch) wider and has 10 liters (0.35 ft3) bigger cargo space than Opel Astra (2017).
Opel Astra (2017) is 45 mm (1.77 inch) higher and 337 kg (743 lbs) lighter than Buick Regal Sportback (2020).
