4.029 gallons E85 @ $1.37/ gallon
9.522 gallons 87 octane @ 1.47/ gallon
Premium priced at $1.91
Octane of tank: 80.5
Ethanol content of tank: 25%
Savings over full tank of premium: $6.38
% savings over full tank of premium: 25%
Not a bad savings!
The last tank ran fine, no driveability or reliability issues at this time.