jeffsponaugle's Profile

Real Name: Jeff Sponaugle
Location: Portland, OR
Joined: March 2009

In the Garage

  • 08STI

    2008 Subaru Impreza WRX
    Added Mar 2009 • 13 Fuel-ups

    Property of jeffsponaugle

  • 15.5 Avg MPG Best In Garage
  • 06 Twin Turbo GTO

    2006 Pontiac GTO GAS V8
    Added Apr 2009 • 2 Fuel-ups

    Property of jeffsponaugle

  • 11.5 Avg MPG



Best MPG is affected more by vehicle speed than engine speed.

In response to the tip that there is a "best MPG engine RPM ... ...

by jldude

Read more tips