The Compact platform was developed by engineers of the Fiat group for the construction of small family cars and large family cars with front-wheel drive or four-wheel drive. The first incarnation of this platform was the Alfa Romeo Giulietta which was unveiled in 2010. Fiat has invested 100 million euros into the construction of the Compact Platform.

The Alfa Romeo Giulietta is a hatchback manufactured and marketed by Alfa Romeo, as a 5-door subcompact executive car. Production started near the end of 2009 and the model was introduced at the March 2010 Geneva Motor Show. The Giulietta placed second in the 2011 European Car of the Year awards. Between 2010 and 2019, production reached over 400,000. In 2020, Alfa Romeo announced that they were going to axe the Giulietta and production ended on 22 December 2020 spanning 10 years of sales from a period of 2010 to 2020. In total 469,067 examples were produced until 2020.