Real world, 5,5 liter per 100 km (62 miles) (42,67 mpg)
Price of fuel? depend of country:
http://www.energy.eu/" onclick="window.open(this.href);return false;
Liter:
Spain, € 1,324
France, € 1,444
UK, € 1,688
Germany, € 1,432
Italy, € 1,518
EU AVERAGE € 1.393
So in UK: (12000 miles x 5,5...