Based on data from 25 vehicles, 1,464 fuel-ups and 480,584 miles of driving, the 2003 Pontiac Montana gets a combined Avg MPG of 19.56 with a 0.22 MPG margin of error.

Any Engine Type 3.4L V6 GAS (19) V6 GAS (6) Any Body Style Mini Passenger Van (5) Any Submodel Base (19) Other (6)

Below you can see a distribution of the fuel-ups with 110 outliers (6.99%) removed.

Following shows the average MPG of each of the 25 vehicles in the system.

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• My Montana

  2003 Pontiac Montana 3.4L V6 GAS Automatic 4 Speed
  Added Apr 2024 • 5 Fuel-ups

  Property of raltendorf

• 14.1 Avg MPG

• 2003 Montana

  2003 Pontiac Montana 3.4L V6 GAS Automatic 4 Speed
  Added Jan 2018 • 222 Fuel-ups

  Property of sheldonfan

• 20.7 Avg MPG

• 2003 Pontiac Montana

  2003 Pontiac Montana 3.4L V6 GAS Automatic 4 Speed
  Added Mar 2017 • 218 Fuel-ups

  Property of Haliburton5

• 31.8 Avg MPG

• Montana

  2003 Pontiac Montana 3.4L V6 GAS Automatic 4 Speed Mini Passenger Van
  Added Nov 2017 • 65 Fuel-ups

  Property of cruisecarter

• 23.7 Avg MPG

• My Montana

  2003 Pontiac Montana 3.4L V6 GAS Automatic 4 Speed
  Added Jan 2017 • 145 Fuel-ups

  Property of melonhead616

• 21.4 Avg MPG

• Montana

  2003 Pontiac Montana 3.4L V6 GAS Automatic 4 Speed
  Added Sep 2016 • 83 Fuel-ups

  Property of gravette

• 38.0 Avg MPG

• Montana

  2003 Pontiac Montana 3.4L V6 GAS Automatic 4 Speed Mini Passenger Van
  Added May 2018 • 119 Fuel-ups

  Property of boxingtodd

• 22.9 Avg MPG

• Pontiac Montana

  2003 Pontiac Montana 3.4L V6 GAS Automatic 4 Speed
  Added May 2015 • 65 Fuel-ups

  Property of gabrieljordan

• 23.2 Avg MPG

• Van

  2003 Pontiac Montana 3.4L V6 GAS Automatic 4 Speed
  Added Sep 2016 • 72 Fuel-ups

  Property of popetdi

• 20.6 Avg MPG

• Montana

  2003 Pontiac Montana 3.4L V6 GAS Automatic 4 Speed
  Added Sep 2016 • 7 Fuel-ups

  Property of jppritchard

• 23.8 Avg MPG

• My Montana

  2003 Pontiac Montana 3.4L V6 GAS Automatic 4 Speed
  Added Dec 2015 • 45 Fuel-ups

  Property of Jmoney2035

• 17.9 Avg MPG

• 2003 Pontiac Montana

  2003 Pontiac Montana 3.4L V6 GAS Automatic 4 Speed
  Added Oct 2017 • 162 Fuel-ups

  Property of spenza

• 19.7 Avg MPG

• Monty

  2003 Pontiac Montana 3.4L V6 GAS Automatic 4 Speed
  Added May 2017 • 43 Fuel-ups

  Property of Mia2015

• 23.1 Avg MPG

• Pontiac Montana

  2003 Pontiac Montana 3.4L V6 GAS Automatic 4 Speed Mini Passenger Van
  Added Oct 2017 • 111 Fuel-ups

  Property of whan24

• 15.6 Avg MPG

• Pontiac Montana

  2003 Pontiac Montana 3.4L V6 GAS Automatic 4 Speed
  Added Nov 2018 • 55 Fuel-ups

  Property of Danutes

• 19.5 Avg MPG

• Montana

  2003 Pontiac Montana 3.4L V6 GAS Automatic 4 Speed Mini Passenger Van
  Added Dec 2018 • 40 Fuel-ups

  Property of superstart

• 20.7 Avg MPG

• The Taxi

  2003 Pontiac Montana GAS V6
  Added Apr 2014 • 10 Fuel-ups

  Property of kenyangi5

• 27.0 Avg MPG

• 03 Montana

  2003 Pontiac Montana GAS V6
  Added Dec 2010 • 8 Fuel-ups

  Property of Tomy

• 20.8 Avg MPG

• Old - Rewey Van

  2003 Pontiac Montana 3.4L V6 GAS Automatic 4 Speed Mini Passenger Van
  Added Oct 2017 • 88 Fuel-ups

  Property of LRewey

• 18.3 Avg MPG

• Montana Van

  2003 Pontiac Montana GAS V6
  Added Oct 2012 • 41 Fuel-ups

  Property of Mihai13

• 16.3 Avg MPG

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