Audi Q7 (2015) is 669 mm (26.34 inch) longer, 249 mm (9.80 inch) wider, 221 mm (8.70 inch) higher and has 767 liters (27.09 ft3) bigger cargo space than Chevrolet Sonic (Sedan) (2018).
Chevrolet Sonic (Sedan) (2018) is 1059 kg (2,335 lbs) lighter than Audi Q7 (2015).