Based on data from 66 vehicles, 3,656 fuel-ups and 865,733 miles of driving, the 2003 Pontiac Grand Am gets a combined Avg MPG of 22.10 with a 0.16 MPG margin of error.

Any Engine Type 2.2L L4 GAS (6) 3.4L V6 GAS (38) L4 GAS (1) V6 GAS (17) Any Body Style Sedan (9) Coupe (3) Sport Utility (1) Any Submodel Base (2) SE1 (4) GT1 (6) SE (9) GT (24) Other (21)

Below you can see a distribution of the fuel-ups with 158 outliers (4.14%) removed.

Following shows the average MPG of each of the 66 vehicles in the system.

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• Jenny

  2003 Pontiac Grand Am GT 3.4L V6 GAS Automatic 4 Speed
  Added Sep 2016 • 244 Fuel-ups

  Property of theoptimist3

• 14.9 Avg MPG

• Grand Am GT1 Ram-air

  2003 Pontiac Grand Am GT1 3.4L V6 GAS Automatic 4 Speed
  Added Apr 2022 • 28 Fuel-ups

  Property of glalyias

• 10.3 Avg MPG

• Jean Claude Grand Am

  2003 Pontiac Grand Am GT 3.4L V6 GAS Automatic 4 Speed Sedan
  Added Jan 2024 • 32 Fuel-ups

  Property of Carguychrism

• 23.3 Avg MPG

• My Grand Am

  2003 Pontiac Grand Am GT 3.4L V6 GAS Automatic 4 Speed
  Added May 2023 • 20 Fuel-ups

  Property of bigwillie1413

• 24.7 Avg MPG

• 3400GAGT

  2003 Pontiac Grand Am GT 3.4L V6 GAS Automatic 4 Speed Sedan
  Added Dec 2021 • 72 Fuel-ups

  Property of 1QUICKHATCH

• 20.9 Avg MPG

• Grand Am

  2003 Pontiac Grand Am SE 2.2L L4 GAS Automatic 4 Speed Coupe
  Added Nov 2023 • 171 Fuel-ups

  Property of joshthe007

• 18.4 Avg MPG

• Grand Am

  2003 Pontiac Grand Am GT 3.4L V6 GAS Automatic 4 Speed
  Added Mar 2017 • 14 Fuel-ups

  Property of MFenrick

• 16.0 Avg MPG

• Whitey

  2003 Pontiac Grand Am SE 2.2L L4 GAS Automatic 4 Speed Sedan
  Added Mar 2018 • 30 Fuel-ups

  Property of lou3

• 19.8 Avg MPG

• Grand Am GT1 Ram Air

  2003 Pontiac Grand Am GT1 3.4L V6 GAS Automatic 4 Speed
  Added May 2018 • 102 Fuel-ups

  Property of 03Grandam

• 20.5 Avg MPG

• My Grand Am

  2003 Pontiac Grand Am GT 3.4L V6 GAS Automatic 4 Speed
  Added Oct 2020 • 42 Fuel-ups

  Property of suicidalgrunt1

• 25.2 Avg MPG

• Pontiac

  2003 Pontiac Grand Am GT 3.4L V6 GAS Automatic 4 Speed
  Added Mar 2017 • 251 Fuel-ups

  Property of cromeyer

• 19.9 Avg MPG

• Rich's Grand Am

  2003 Pontiac Grand Am SE1 3.4L V6 GAS Automatic 4 Speed
  Added Mar 2017 • 229 Fuel-ups

  Property of richcon

• 23.8 Avg MPG

• My Grand Am

  2003 Pontiac Grand Am GT 3.4L V6 GAS Automatic 3 Speed Sport Utility
  Added Nov 2018 • 49 Fuel-ups

  Property of katherinebrown57

• 23.7 Avg MPG

• My Grand Am

  2003 Pontiac Grand Am GT1 3.4L V6 GAS Automatic 4 Speed
  Added Jul 2020 • 13 Fuel-ups

  Property of JTaylor33

• 20.0 Avg MPG

• My Grand Am

  2003 Pontiac Grand Am SE 2.2L L4 GAS Automatic 4 Speed
  Added Sep 2018 • 7 Fuel-ups

  Property of alycia126

• 26.2 Avg MPG

• My Grand Am

  2003 Pontiac Grand Am SE1 3.4L V6 GAS Automatic 4 Speed
  Added Feb 2019 • 3 Fuel-ups

  Property of Ger4ld20

• 103.1 Avg MPG

• Pontiac

  2003 Pontiac Grand Am SE 2.2L L4 GAS Standard 5 Speed
  Added Oct 2014 • 171 Fuel-ups

  Property of eric212

• 25.9 Avg MPG

• Pontiac

  2003 Pontiac Grand Am SE 3.4L V6 GAS Automatic 4 Speed Sedan
  Added Oct 2017 • 73 Fuel-ups

  Property of mykelwulf

• 17.8 Avg MPG

• Pontiac GrandAm 2003

  2003 Pontiac Grand Am GT 3.4L V6 GAS Automatic 4 Speed
  Added Sep 2016 • 225 Fuel-ups

  Property of Drum170

• 22.1 Avg MPG

• My Grand Am

  2003 Pontiac Grand Am GT1 3.4L V6 GAS Automatic 4 Speed
  Added Jan 2018 • 4 Fuel-ups

  Property of JTaylor33

• 4.5 Avg MPG

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