Audi A3 (Sedan) (2015) is 718 kg (1,583 lbs) lighter than Cadillac CT6-V (2020).
Cadillac CT6-V (2020) is 771 mm (30.35 inch) longer, 84 mm (3.31 inch) wider, 57 mm (2.24 inch) higher and has 22 liters (0.78 ft3) bigger cargo space than Audi A3 (Sedan) (2015).
