Buick Regal Sportback (2019) is 5 mm (0.20 inch) higher, 176 kg (388 lbs) lighter and has 88 liters (3.11 ft3) bigger cargo space than Volvo S90 (2020).
Volvo S90 (2020) is 183 mm (7.20 inch) longer and 28 mm (1.10 inch) wider than Buick Regal Sportback (2019).
