Fiat 500 Abarth Essesse has broken loose ahead of schedule after these first images surfaced on the net and we have what appears to be the Mini Cooper S' most potent threat to date. No official details have been released but we believe a 1.4-liter turbocharged engine is hiding beneath its posterior, probably possessing in the region of 170 ponies, just above the 160hp Fiat 500 Abarth Opening Edition.