Fuel cost — E85 vs petrol
−50%
Petrol · 100 km
8.2 L · €16.82
E85 · 100 km
10.0 L · €8.47
You save ≈ €8.35 every 100 km
— about €1 253 a year (over 15 000 km)
E85 uses ≈ +22% more litres, but the pump price
(€0.85/L vs €2.06/L) more than makes up for it.