In August 2018, fuel in Greece averaged <span class="el-fx" data-el-fx data-amount="1.643" data-currency="EUR" data-kind="price">€1.643</span> for petrol

Petrol, monthly average<span class="el-fx" data-el-fx data-amount="1.643" data-currency="EUR" data-kind="price">€1.643</span>/L
Diesel, monthly average<span class="el-fx" data-el-fx data-amount="1.416" data-currency="EUR" data-kind="price">€1.416</span>/L
Weekly bulletins held for August 20184

Monthly averages for Greece across August 2018, from the stored EU Weekly Oil Bulletin monthly history (European Commission, CC BY 4.0).