Audi A3 (Sedan) (2017) is 259 mm (10.20 inch) longer, 61 mm (2.40 inch) higher, 215 kg (474 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) (2017).
