Audi Q5 (2015) is 36 mm (1.42 inch) wider, 200 mm (7.87 inch) higher and has 70 liters (2.47 ft3) bigger cargo space than Buick Regal Sportback (2019).
Buick Regal Sportback (2019) is 271 mm (10.67 inch) longer and 95 kg (209 lbs) lighter than Audi Q5 (2015).
