Audi A6 (2016) is 56 mm (2.20 inch) longer, 32 mm (1.26 inch) wider, 67 kg (148 lbs) lighter and has 140 liters (4.94 ft3) bigger cargo space than Cadillac CTS-V Wagon (2014).
Cadillac CTS-V Wagon (2014) is 18 mm (0.71 inch) higher than Audi A6 (2016).
