1989 Mercury Grand Marquis MPG

Based on data from 4 vehicles, 223 fuel-ups and 48,030 miles of driving, the 1989 Mercury Grand Marquis gets a combined Avg MPG of 17.34 with a 0.35 MPG margin of error.

Below you can see a distribution of the fuel-ups with 3 outliers (1.33%) removed.

Following shows the average MPG of each of the 4 vehicles in the system.

• 1989 Mercury Grand Marquis LS

  1989 Mercury Grand Marquis LS 5.0L V8 GAS Automatic 4 Speed Sedan
  Added Oct 2022 • 7 Fuel-ups

  Property of Compeek

• 12.6 Avg MPG

• Mercury

  1989 Mercury Grand Marquis 5.8L V8 GAS Automatic 4 Speed
  Added Oct 2017 • 65 Fuel-ups

  Property of snowdak

• 17.6 Avg MPG

• Mercury

  1989 Mercury Grand Marquis LS 5.0L V8 GAS Automatic 4 Speed Sedan
  Added Dec 2017 • 177 Fuel-ups

  Property of Bayou50

• 17.4 Avg MPG

• Wagon

  1989 Mercury Grand Marquis Colony Park
  Added Sep 2016 • 4 Fuel-ups

  Property of Rldunc

• 14.0 Avg MPG