Based on data from 38 vehicles, 2,513 fuel-ups and 608,444 miles of driving, the 1999 Pontiac Grand Am gets a combined Avg MPG of 23.06 with a 0.17 MPG margin of error.

Any Engine Type 2.4L L4 GAS (3) 3.4L V6 GAS (12) L4 GAS (6) V6 GAS (12) Any Body Style Sedan (1) Coupe (2) Any Submodel GT (5) SE (12) Other (21)

Below you can see a distribution of the fuel-ups with 157 outliers (5.88%) removed.

Following shows the average MPG of each of the 38 vehicles in the system.

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• 99 Grand AM GT

  1999 Pontiac Grand Am GT 3.4L V6 GAS Automatic 4 Speed
  Added Nov 2017 • 62 Fuel-ups

  Property of Hoovdizzel

• 21.0 Avg MPG

• Grand Am

  1999 Pontiac Grand Am SE 2.4L L4 GAS Automatic 4 Speed Sedan
  Added Sep 2016 • 107 Fuel-ups

  Property of soundwise

• 23.7 Avg MPG

• Grand AM

  1999 Pontiac Grand Am GT 3.4L V6 GAS Automatic 4 Speed Coupe
  Added Mar 2019 • 91 Fuel-ups

  Property of vciotti

• 26.8 Avg MPG

• Flo

  1999 Pontiac Grand Am SE 3.4L V6 GAS Automatic 4 Speed
  Added Jan 2018 • 31 Fuel-ups

  Property of anizguy

• 23.6 Avg MPG

• Grand AM

  1999 Pontiac Grand Am GT 3.4L V6 GAS Automatic 4 Speed Coupe
  Added Jul 2018 • 58 Fuel-ups

  Property of vciotti

• 26.8 Avg MPG

• Work truck

  1999 Pontiac Grand Am SE 3.4L V6 GAS Automatic 4 Speed
  Added Mar 2018 • 226 Fuel-ups

  Property of kgmarker

• 10.8 Avg MPG

• Michael Schurk

  1999 Pontiac Grand Am SE 3.4L V6 GAS Automatic 4 Speed
  Added Mar 2017 • 156 Fuel-ups

  Property of Schurk

• 25.5 Avg MPG

• Grand Am

  1999 Pontiac Grand Am GT 3.4L V6 GAS Automatic 4 Speed
  Added Aug 2016 • 228 Fuel-ups

  Property of dave32ars

• 23.7 Avg MPG

• Red Menace

  1999 Pontiac Grand Am GT 3.4L V6 GAS Automatic 4 Speed
  Added Feb 2017 • 5 Fuel-ups

  Property of ashtenn

• 18.1 Avg MPG

• Gran am

  1999 Pontiac Grand Am SE 2.4L L4 GAS Automatic 4 Speed
  Added Mar 2017 • 15 Fuel-ups

  Property of mgblaf1

• 27.0 Avg MPG

• Pontiac

  1999 Pontiac Grand Am SE 3.4L V6 GAS Automatic 4 Speed
  Added Mar 2017 • 147 Fuel-ups

  Property of orafopr

• 24.8 Avg MPG

• Grand Am

  1999 Pontiac Grand Am SE 2.4L L4 GAS Automatic 4 Speed
  Added Feb 2017 • 142 Fuel-ups

  Property of cheuer

• 24.0 Avg MPG

• My Grand Am

  1999 Pontiac Grand Am SE 3.4L GAS V6 Automatic 4
  Added Mar 2015 • 23 Fuel-ups

  Property of gostlins

• 18.8 Avg MPG

• grand am

  1999 Pontiac Grand Am SE Automatic 4
  Added Apr 2013 • 43 Fuel-ups

  Property of HawkZ28

• 25.4 Avg MPG

• Grand Am

  1999 Pontiac Grand Am
  Added Aug 2008 • 433 Fuel-ups

  Property of kinggoosey

• 21.5 Avg MPG

• Araba

  1999 Pontiac Grand Am SE 3.4L GAS V6 Automatic 4 Sedan (4 Door)
  Added Oct 2014 • 13 Fuel-ups

  Property of polatyamanoglu

• 19.2 Avg MPG

• Blackie

  1999 Pontiac Grand Am GAS V6
  Added Jun 2013 • 39 Fuel-ups

  Property of kem6924

• 20.0 Avg MPG

• Eleanor

  1999 Pontiac Grand Am GAS L4
  Added Jun 2013 • 25 Fuel-ups

  Property of Dunk182

• 22.2 Avg MPG

• Edward's Red Car

  1999 Pontiac Grand Am SE 3.4L V6 GAS Automatic 4 Speed
  Added Sep 2018 • 34 Fuel-ups

  Property of fmunden

• 26.8 Avg MPG

• Silver Streaker

  1999 Pontiac Grand Am GAS V6
  Added Jan 2014 • 8 Fuel-ups

  Property of Bigkodiak

• 22.3 Avg MPG

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