Audi A3 Sportback (2018) is 469 kg (1,034 lbs) lighter than Chevrolet Impala (2018).
Chevrolet Impala (2018) is 800 mm (31.50 inch) longer, 69 mm (2.72 inch) wider, 70 mm (2.76 inch) higher and has 153 liters (5.40 ft3) bigger cargo space than Audi A3 Sportback (2018).
