The successor to the current 147 will go head to head with its main rival, the Volkswagen Golf, boasting the usual level of Alfa Romeo flair and style.
These latest spy shots reveal a face similar to the recently revealed MiTo small hatch and 8C sports coupe, bringing the 149 in line with the new style direction of the brand.
At 4.30metres long, it comes very close to the former Alfa 156 in size, but is actually based on the platform of the current Fiat Bravo.
The new 149 will be available in five-door guise only, using a series of turbocharged petrol engines ranging between 89kW and 198kW with a V6-powered GTA flagship model.
Like the Junior, the new 149 will receive a six-speed manual gearbox with an automatic being available as an option for some engines.