Based on data from 19 vehicles, 1,285 fuel-ups and 435,242 miles of driving, the 2004 Pontiac Montana gets a combined Avg MPG of 20.15 with a 0.21 MPG margin of error.

Any Engine Type 3.4L V6 GAS (14) V6 GAS (3) Any Body Style Mini Passenger Van (1) Extended Passenger Van (1) Any Submodel Base (14) Other (5)

Below you can see a distribution of the fuel-ups with 54 outliers (4.03%) removed.

Following shows the average MPG of each of the 19 vehicles in the system.

• Van

  2004 Pontiac Montana 3.4L V6 GAS Automatic 4 Speed Mini Passenger Van
  Added Mar 2021 • 206 Fuel-ups

  Property of wruebs

• 22.9 Avg MPG

• My Montana

  2004 Pontiac Montana 3.4L V6 GAS Automatic 4 Speed
  Added Jan 2020 • 177 Fuel-ups

  Property of eachristiansen86

• 19.5 Avg MPG

• Montana

  2004 Pontiac Montana 3.4L V6 GAS Automatic 4 Speed
  Added Jun 2020 • 25 Fuel-ups

  Property of Tcolburn64

• 25.3 Avg MPG

• 2004 - Montana

  2004 Pontiac Montana 3.4L V6 GAS Automatic 4 Speed Extended Passenger Van
  Added Apr 2015 • 112 Fuel-ups

  Property of CNCGUY

• 18.0 Avg MPG

• 2004 Montana (2023)

  2004 Pontiac Montana 3.4L V6 GAS Automatic 4 Speed
  Added Mar 2023 • 30 Fuel-ups

  Property of bphynes

• 20.7 Avg MPG

• 2004 Montana (2018 to present)

  2004 Pontiac Montana 3.4L V6 GAS Automatic 4 Speed
  Added Oct 2018 • 224 Fuel-ups

  Property of bphynes

• 18.5 Avg MPG

• Pontiac Montana 2004

  2004 Pontiac Montana 3.4L V6 GAS Automatic 4 Speed
  Added Sep 2016 • 97 Fuel-ups

  Property of sleuthy

• 22.0 Avg MPG

• Montana

  2004 Pontiac Montana 3.4L V6 GAS Automatic 4 Speed
  Added Apr 2014 • 184 Fuel-ups

  Property of bonjoey

• 21.0 Avg MPG

• Esther

  2004 Pontiac Montana 3.4L V6 GAS Automatic 4 Speed
  Added Sep 2016 • 187 Fuel-ups

  Property of oklawboy

• 22.7 Avg MPG

• Man Van

  2004 Pontiac Montana 3.4L GAS V6 Automatic 4 Mini Passenger Van (4 Door)
  Added May 2015 • 16 Fuel-ups

  Property of ub3r

• 20.9 Avg MPG

• Montana

  2004 Pontiac Montana 3.4L V6 GAS Automatic 4 Speed
  Added Jun 2016 • 5 Fuel-ups

  Property of jafoole

• 18.9 Avg MPG

• Van

  2004 Pontiac Montana 3.4L V6 GAS Automatic 4 Speed
  Added May 2017 • 17 Fuel-ups

  Property of supergirl1992

• 20.4 Avg MPG

• Van 3

  2004 Pontiac Montana 3.4L V6 GAS Automatic 4 Speed
  Added May 2018 • 8 Fuel-ups

  Property of KurtM1952

• 25.2 Avg MPG

• Montana

  2004 Pontiac Montana Extended Automatic FWD
  Added Feb 2015 • 21 Fuel-ups

  Property of 2004PontiacMontana

• 24.9 Avg MPG

• Extended FWD

  2004 Pontiac Montana GAS V6
  Added Mar 2011 • 139 Fuel-ups

  Property of KenW

• 21.5 Avg MPG

• My Silver Van

  2004 Pontiac Montana GAS V6
  Added Jan 2013 • 30 Fuel-ups

  Property of PD1127

• 21.1 Avg MPG

• Van à Denis

  2004 Pontiac Montana
  Added Jan 2013 • 23 Fuel-ups

  Property of fulgencienne

• 27.9 Avg MPG

• Montana

  2004 Pontiac Montana GAS V6
  Added Oct 2010 • 16 Fuel-ups

  Property of herdingrabbits

• 24.1 Avg MPG

• Montana

  2004 Pontiac Montana 3.4L V6 GAS Automatic 4 Speed
  Added Oct 2017 • 11 Fuel-ups

  Property of gareiser

• 22.4 Avg MPG