In March 2005, fuel in Germany averaged €1.143 for petrol

Petrol, monthly average€1.143/L
Diesel, monthly average€1.012/L
LPG, monthly average€0.525/L
Weekly bulletins held for March 20053

Monthly averages for Germany across March 2005, from the stored EU Weekly Oil Bulletin monthly history (European Commission, CC BY 4.0).