Fuel cost — E85 vs petrol
−49%
Petrol · 100 km
8.4 L · €17.3
E85 · 100 km
10.3 L · €8.77
You save ≈ €8.53 every 100 km
— about €1 280 a year (over 15 000 km)
E85 uses ≈ +23% more litres, but the pump price
(€0.85/L vs €2.06/L) more than makes up for it.