Audi Q7 (2016) is 760 mm (29.92 inch) longer, 189 mm (7.44 inch) wider, 307 mm (12.09 inch) higher and has 669 liters (23.63 ft3) bigger cargo space than Mercedes A-Class (2015).
Mercedes A-Class (2015) is 665 kg (1,466 lbs) lighter than Audi Q7 (2016).