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1988 Mercury Grand Marquis MPG

Based on data from 2 vehicles, 209 fuel-ups and 46,040 miles of driving, the 1988 Mercury Grand Marquis gets a combined Avg MPG of 17.31 with a 0.43 MPG margin of error.

Below you can see a distribution of the fuel-ups with 1 outliers (0.48%) removed.

Following shows the average MPG of each of the 2 vehicles in the system.

1988 Mercury Grand Marquiss For Sale Nearby

  • El Conqistador

    1988 Mercury Grand Marquis GS 5.0L V8 GAS Automatic 4 Speed
    Added Sep 2016 • 239 Fuel-ups

    Property of ChateauHo

  • 19.4 Avg MPG
  • merk

    1988 Mercury Grand Marquis GAS V8
    Added Dec 2011 • 17 Fuel-ups

    Property of defflepp1

  • 13.8 Avg MPG

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from other Mercury Grand Marquis vehicles (View All)


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

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