Audi A3 (Sedan) (2016) is 632 kg (1,393 lbs) lighter than Volvo XC90 (2017).
Volvo XC90 (2017) is 492 mm (19.37 inch) longer, 135 mm (5.31 inch) wider, 359 mm (14.13 inch) higher and has 246 liters (8.69 ft3) bigger cargo space than Audi A3 (Sedan) (2016).