Based on data from 20 vehicles, 1,422 fuel-ups and 389,445 miles of driving, the 1998 Pontiac Grand Am gets a combined Avg MPG of 23.62 with a 0.21 MPG margin of error.

Any Engine Type 2.4L L4 GAS (7) 3.1L V6 GAS (3) L4 GAS (1) V6 GAS (4) Any Body Style Sedan (5) Coupe (1) Any Submodel GT (3) SE (12) Other (5)

Below you can see a distribution of the fuel-ups with 49 outliers (3.33%) removed.

Following shows the average MPG of each of the 20 vehicles in the system.

• Penelope

  1998 Pontiac Grand Am GT 2.4L L4 GAS Automatic 4 Speed Coupe
  Added Jul 2015 • 60 Fuel-ups

  Property of olds42

• 26.8 Avg MPG

• My Grand Am

  1998 Pontiac Grand Am SE 3.1L V6 GAS Automatic 4 Speed
  Added Nov 2018 • 12 Fuel-ups

  Property of yz85608

• 28.3 Avg MPG

• Pontiac

  1998 Pontiac Grand Am SE 2.4L L4 GAS Automatic 4 Speed
  Added Mar 2017 • 43 Fuel-ups

  Property of gustavo0227

• 27.4 Avg MPG

• GrandAm

  1998 Pontiac Grand Am SE 3.1L V6 GAS Sedan
  Added Oct 2017 • 3 Fuel-ups

  Property of brojeff

• 27.6 Avg MPG

• Grand Am

  1998 Pontiac Grand Am SE 2.4L L4 GAS Automatic 4 Speed Sedan
  Added Oct 2017 • 246 Fuel-ups

  Property of jonnythan

• 23.0 Avg MPG

• Grand Am

  1998 Pontiac Grand Am SE 2.4L L4 GAS Automatic 4 Speed Sedan
  Added Mar 2021 • 246 Fuel-ups

  Property of jondcousins

• 23.0 Avg MPG

• Grand Am

  1998 Pontiac Grand Am SE 2.4L L4 GAS Automatic 4 Speed Sedan
  Added Dec 2020 • 246 Fuel-ups

  Property of jonnythan

• 23.0 Avg MPG

• Grand Am

  1998 Pontiac Grand Am SE 2.4L L4 GAS Automatic 4 Speed Sedan
  Added Mar 2021 • 246 Fuel-ups

  Property of jonnythan

• 23.0 Avg MPG

• Joe Cool

  1998 Pontiac Grand Am GAS V6
  Added Mar 2012 • 20 Fuel-ups

  Property of DUBS2328

• 29.3 Avg MPG

• Grand Am

  1998 Pontiac Grand Am GAS V6
  Added Aug 2011 • 50 Fuel-ups

  Property of Litt24

• 21.3 Avg MPG

• The Red Beast

  1998 Pontiac Grand Am GAS V6
  Added Oct 2011 • 8 Fuel-ups

  Property of Zanrok

• 28.1 Avg MPG

• 98 grand am

  1998 Pontiac Grand Am GAS L4
  Added Oct 2011 • 7 Fuel-ups

  Property of asgrim

• 21.9 Avg MPG

• Grand Am

  1998 Pontiac Grand Am SE
  Added Apr 2023 • 54 Fuel-ups

  Property of acedrew72

• 24.6 Avg MPG

• Grand Am

  1998 Pontiac Grand Am SE
  Added Apr 2023 • 54 Fuel-ups

  Property of acedrew72

• 24.6 Avg MPG

• Grand Am

  1998 Pontiac Grand Am SE
  Added Aug 2019 • 54 Fuel-ups

  Property of acedrew72

• 24.6 Avg MPG

• Grand Am

  1998 Pontiac Grand Am SE
  Added May 2019 • 54 Fuel-ups

  Property of acedrew72

• 24.6 Avg MPG

• My GA

  1998 Pontiac Grand Am GAS V6
  Added Mar 2011 • 46 Fuel-ups

  Property of IBEWSparky

• 29.0 Avg MPG

• Car

  1998 Pontiac Grand Am GT 3.1L V6 GAS Automatic 4 Speed
  Added Oct 2017 • 55 Fuel-ups

  Property of ericwelch08

• 24.6 Avg MPG

• Betsy

  1998 Pontiac Grand Am SE
  Added Jun 2018 • 52 Fuel-ups

  Property of flanney

• 28.1 Avg MPG

• Grand Am

  1998 Pontiac Grand Am GT 2.4L L4 GAS Automatic 4 Speed
  Added Aug 2016 • 15 Fuel-ups

  Property of mattshields74

• 24.0 Avg MPG