Audi A3 (Sedan) (2015) is 257 mm (10.12 inch) longer, 61 mm (2.40 inch) higher, 165 kg (364 lbs) lighter and has 145 liters (5.12 ft3) bigger cargo space than Audi TT RS (2014).
Audi TT RS (2014) is 46 mm (1.81 inch) wider than Audi A3 (Sedan) (2015).
