Based on data from 92 vehicles, 6,679 fuel-ups and 1,923,086 miles of driving, the 2004 Pontiac Grand Prix gets a combined Avg MPG of 21.96 with a 0.12 MPG margin of error.

Any Engine Type 3.8L V6 GAS (66) V6 GAS (25) Any Body Style Sedan (26) Any Submodel GT2 (15) GTP (24) GT1 (27) Other (26)

Below you can see a distribution of the fuel-ups with 182 outliers (2.65%) removed.

Following shows the average MPG of each of the 92 vehicles in the system.

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• Grand Prix

  2004 Pontiac Grand Prix GT1 3.8L V6 GAS Automatic 4 Speed
  Added Mar 2017 • 222 Fuel-ups

  Property of morourk1

• 25.4 Avg MPG

• GTP

  2004 Pontiac Grand Prix GTP 3.8L V6 GAS Automatic 4 Speed
  Added Aug 2016 • 110 Fuel-ups

  Property of gkuhns

• 23.2 Avg MPG

• grand prix

  2004 Pontiac Grand Prix GT1 3.8L V6 GAS Automatic 4 Speed Sedan
  Added Jun 2013 • 43 Fuel-ups

  Property of noisyowl

• 20.0 Avg MPG

• My Grand Prix

  2004 Pontiac Grand Prix GT2 3.8L V6 GAS Automatic 4 Speed
  Added Oct 2017 • 10 Fuel-ups

  Property of megannkayy

• 22.0 Avg MPG

• Grand Prix GTP

  2004 Pontiac Grand Prix GTP 3.8L GAS V6 Automatic 4 Sedan (4 Door)
  Added Dec 2014 • 11 Fuel-ups

  Property of 2003SSEi

• 25.3 Avg MPG

• Grand Pee

  2004 Pontiac Grand Prix GTP 3.8L V6 GAS Automatic 4 Speed Sedan
  Added Sep 2017 • 25 Fuel-ups

  Property of 96XLT

• 19.7 Avg MPG

• Grand Prix

  2004 Pontiac Grand Prix GT1 3.8L V6 GAS Automatic 4 Speed Sedan
  Added May 2017 • 8 Fuel-ups

  Property of StrikerX

• 28.5 Avg MPG

• Nicks Car

  2004 Pontiac Grand Prix GT2 3.8L V6 GAS Automatic 4 Speed
  Added Mar 2017 • 18 Fuel-ups

  Property of neverett224

• 23.3 Avg MPG

• My Grand Prix

  2004 Pontiac Grand Prix GT1 3.8L GAS V6 Automatic 4 Sedan (4 Door)
  Added Jun 2015 • 140 Fuel-ups

  Property of bowlerdude09

• 19.8 Avg MPG

• Grand Prix

  2004 Pontiac Grand Prix GT1 3.8L V6 GAS Automatic 4 Speed
  Added Mar 2017 • 197 Fuel-ups

  Property of capricorn1277

• 23.0 Avg MPG

• Golden Chariot (Lola)

  2004 Pontiac Grand Prix GTP 3.8L V6 GAS Automatic 4 Speed Sedan
  Added Oct 2014 • 43 Fuel-ups

  Property of TeamRecall

• 19.1 Avg MPG

• Heather

  2004 Pontiac Grand Prix GTP 3.8L V6 GAS Automatic 4 Speed
  Added Sep 2016 • 106 Fuel-ups

  Property of hmfelton75

• 17.0 Avg MPG

• My Grand Prix

  2004 Pontiac Grand Prix GT2 3.8L V6 GAS Automatic 4 Speed
  Added Jun 2016 • 6 Fuel-ups

  Property of Apollodeus

• 18.3 Avg MPG

• My Grand Prix

  2004 Pontiac Grand Prix GT1 3.8L V6 GAS Automatic 4 Speed
  Added Jun 2016 • 13 Fuel-ups

  Property of SpencerMielke

• 23.0 Avg MPG

• My first car

  2004 Pontiac Grand Prix GAS V6
  Added Dec 2011 • 168 Fuel-ups

  Property of brad10104

• 20.5 Avg MPG

• Tilly

  2004 Pontiac Grand Prix GT1 3.8L V6 GAS Automatic 4 Speed Sedan
  Added Mar 2016 • 43 Fuel-ups

  Property of meakins628

• 17.7 Avg MPG

• My Grand Prix

  2004 Pontiac Grand Prix GTP 3.8L GAS V6 Automatic 4 Sedan (4 Door)
  Added Nov 2014 • 51 Fuel-ups

  Property of krahla427

• 24.4 Avg MPG

• Chase's Car

  2004 Pontiac Grand Prix GT2 3.8L V6 GAS Automatic 4 Speed Sedan
  Added Sep 2017 • 316 Fuel-ups

  Property of Chasee43

• 25.3 Avg MPG

• Grand Prix

  2004 Pontiac Grand Prix GTP 3.8L V6 GAS Automatic 4 Speed
  Added Sep 2016 • 127 Fuel-ups

  Property of RivMan

• 23.0 Avg MPG

• Grand Prix

  2004 Pontiac Grand Prix GAS V6
  Added May 2014 • 34 Fuel-ups

  Property of Mav3rick01

• 23.0 Avg MPG

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