Fuel cost — E85 vs petrol
−48%
Petrol · 100 km
7.2 L · €14.9
E85 · 100 km
9.2 L · €7.78
You save ≈ €7.12 every 100 km
— about €1 068 a year (over 15 000 km)
E85 uses ≈ +27% more litres, but the pump price
(€0.85/L vs €2.06/L) more than makes up for it.