This study investigates the effect of oil shocks on economic growth in some OECD oil importer countries such as: Canada, France, Italy, Japan and America and some OPEC oil exporter countries such as: Algeria, Iran, Kuwait, Saudi Arabia and Venezuela discussed. Models for the years 1976-2008 are estimated. Of five variables for each country per year is used. Variables into the model are included real price of oil, GDP growth, inflation, real wages and the real effective exchange rates. Real GDP as the main variable effects on the economy indicates that oil prices impact on other model variables indirectly. Vector auto regression model estimated. Estimation results obtained in different countries show that oil price shocks of variables affecting on economic growth. Also in oil shock of Petroleum Exporting Countries on economic growth is positive. Estimation results obtained in the oil importer countries shows the effect of oil shocks on economic growth is negative.