The Alfa Romeo Giulia Coupe 1300 GTA Junior (1968-1972) had an 1300 cc engine that was based on the 1600 engine but with a short stroke crankshaft. The GTA Junior in stradale form did not have many of the light weight features of the 1600 GTA, such as the plastic windows, magnesium engine components and alloy wheels. At start the engine produced 96 PS (95 hp/71 kW) but was soon raised to 110 PS (108 hp/81 kW). Autodelta prepared fuel injected racing cars had 165 PS (163 hp/121 kW).
450 Alfa Romeo Giulia Coupe 1300 GTA Junior were produced.