Audi A8 (2015) is 388 mm (15.28 inch) longer, 107 mm (4.21 inch) wider and has 100 liters (3.53 ft3) bigger cargo space than Cadillac CTS Wagon (2014).
Cadillac CTS Wagon (2014) is 2 mm (0.08 inch) higher and 3 kg (7 lbs) lighter than Audi A8 (2015).
