The shorter Foundation Diploma provides a good general grounding in core aspects of business. It will also give you the tools to develop yourself in a way that will support your long term career progression.
It is designed for those who wish to further their career or progress quickly onto the next ABE Level and then go onto employment. If you wish to progress to a university degree, the 8 Unit - 120 credit - Diploma is likely to provide more favourable progression options in the long term.
This qualification is at the same level of difficulty as year one of a Bachelors degree.