Based on data from 188 vehicles, 11,046 fuel-ups and 3,423,000 miles of driving, the 2004 Mazda 6 gets a combined Avg MPG of 23.12 with a 0.09 MPG margin of error.

Any Engine Type 2.3L L4 GAS (38) 3.0L V6 GAS (51) GAS (1) H2 DIESEL (1) H2 GAS (1) H4 GAS (4) L4 DIESEL (1) L4 GAS (22) V4 DIESEL (1) V6 GAS (45) Any Body Style Sedan (23) Wagon (12) Hatchback (5) Any Submodel i (39) S (54) Other (95)

Below you can see a distribution of the fuel-ups with 705 outliers (6.00%) removed.

Following shows the average MPG of each of the 188 vehicles in the system.

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• Mazda

  2004 Mazda 6 i 2.3L L4 GAS Automatic 4 Speed
  Added Jan 2019 • 36 Fuel-ups

  Property of kalip

• 23.3 Avg MPG

• Mazda 6

  2004 Mazda 6 S 3.0L V6 GAS Standard 5 Speed Sedan
  Added Mar 2017 • 201 Fuel-ups

  Property of ledbette

• 23.2 Avg MPG

• My 6

  2004 Mazda 6 S 3.0L V6 GAS Automatic 5 Speed
  Added Mar 2018 • 74 Fuel-ups

  Property of plenning

• 20.7 Avg MPG

• Aaron - Mazda 6

  2004 Mazda 6 S 3.0L V6 GAS Standard 5 Speed Hatchback
  Added Oct 2017 • 152 Fuel-ups

  Property of acoady

• 28.5 Avg MPG

• Mazda 6

  2004 Mazda 6 i 2.3L L4 GAS Automatic 4 Speed Wagon
  Added Feb 2020 • 5 Fuel-ups

  Property of hawkz29

• 20.3 Avg MPG

• Mazda

  2004 Mazda 6 S 3.0L V6 GAS Manual 5 Speed Hatchback
  Added May 2012 • 129 Fuel-ups

  Property of Mattycito

• 23.8 Avg MPG

• Mazda6_I4_5speed

  2004 Mazda 6 i 2.3L L4 GAS Manual 5 Speed Sedan
  Added Mar 2011 • 127 Fuel-ups

  Property of peshwa

• 28.5 Avg MPG

• Zoom-Zoom

  2004 Mazda 6 i 2.3L L4 GAS Automatic 4 Speed Sedan
  Added Feb 2010 • 235 Fuel-ups

  Property of balbrain

• 26.0 Avg MPG

• 2004 Mazda 6 Sport Wagon

  2004 Mazda 6 S 3.0L V6 GAS Automatic 5 Speed Wagon
  Added Dec 2016 • 106 Fuel-ups

  Property of fisherju3800

• 20.2 Avg MPG

• Mazda6

  2004 Mazda 6 S 3.0L V6 GAS Automatic 5 Speed
  Added Sep 2016 • 162 Fuel-ups

  Property of jmitten

• 19.9 Avg MPG

• mzr wagon

  2004 Mazda 6 i 2.3L L4 GAS Automatic 4 Speed Wagon
  Added Apr 2017 • 34 Fuel-ups

  Property of barramundi

• 21.3 Avg MPG

• Mazda

  2004 Mazda 6 S 3.0L V6 GAS Automatic 5 Speed
  Added Mar 2017 • 348 Fuel-ups

  Property of quilter88

• 29.3 Avg MPG

• Lisa's Mazda 6

  2004 Mazda 6 GT
  Added Sep 2018 • 240 Fuel-ups

  Property of BluBlu

• 24.5 Avg MPG

• Mazda 6 Wagon

  2004 Mazda 6 S 3.0L V6 GAS Manual 5 Speed Wagon
  Added Aug 2018 • 11 Fuel-ups

  Property of squeak003

• 22.6 Avg MPG

• Blue Belle

  2004 Mazda 6 S 3.0L V6 GAS Standard 5 Speed Sedan
  Added Nov 2011 • 272 Fuel-ups

  Property of TheEnemy

• 21.6 Avg MPG

• My 6

  2004 Mazda 6 i 2.3L L4 GAS Automatic 4 Speed
  Added Jan 2018 • 32 Fuel-ups

  Property of peanut1120

• 24.4 Avg MPG

• Mazda 6

  2004 Mazda 6 S 3.0L V6 GAS Standard 5 Speed Hatchback
  Added Jan 2018 • 152 Fuel-ups

  Property of ehoule72

• 23.2 Avg MPG

• My 6

  2004 Mazda 6 S 3.0L V6 GAS Automatic 5 Speed
  Added Aug 2017 • 33 Fuel-ups

  Property of SheaMariea

• 22.3 Avg MPG

• Mazda 6

  2004 Mazda 6 S 3.0L V6 GAS Automatic 5 Speed
  Added Aug 2016 • 418 Fuel-ups

  Property of kzynkzw

• 23.9 Avg MPG

• Mazda 6i

  2004 Mazda 6 i 2.3L L4 GAS Automatic 4 Speed Sedan
  Added Apr 2018 • 18 Fuel-ups

  Property of Stoneking

• 24.2 Avg MPG

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