Buick Regal Sportback (2020) is 202 mm (7.95 inch) longer and 48 mm (1.89 inch) wider than Opel Astra Sports Tourer (2015).
Opel Astra Sports Tourer (2015) is 80 mm (3.15 inch) higher, 267 kg (589 lbs) lighter and has 70 liters (2.47 ft3) bigger cargo space than Buick Regal Sportback (2020).
