In his first policy speech since becoming prime minister, Antonis Samaras reaffirmed his commitment to making the changes needed to meet conditions of the bailout plan.
Ahead of a confidence vote on Sunday, the new premier said Greece would meet targets set by the European Union and international lenders, but needs more time and to renegotiate austerity measures.
He promised to move at a quicker pace regarding the reforms and privatisations needed to make the country more attractive for investors.
Greece is in its fifth year of recession and almost one out of every four people is unemployed.
However, in a sign of confidence in keeping the euro, bank deposits have increased by around five billion euros since the election in mid-June, reversing a trend that saw more almost double that amount withdrawn in May alone.