Based on data from 189 vehicles, 11,031 fuel-ups and 3,418,448 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 (52) 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 (24) Wagon (12) Hatchback (5) Any Submodel i (39) S (55) Other (95)

Below you can see a distribution of the fuel-ups with 704 outliers (6.00%) removed.

Following shows the average MPG of each of the 189 vehicles in the system.

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• Mazda 6 1.8

  2004 Mazda 6 GAS L4
  Added Jun 2011 • 203 Fuel-ups

  Property of hognef

• 31.0 Avg MPG

• Mazda 6

  2004 Mazda 6 GAS V6
  Added Feb 2011 • 4 Fuel-ups

  Property of aikigo

• 18.3 Avg MPG

• Mazda 6s

  2004 Mazda 6 GAS V6
  Added Dec 2008 • 104 Fuel-ups

  Property of woodman13

• 21.6 Avg MPG

• Mazda 6 v6 2004

  2004 Mazda 6
  Added Nov 2009 • 29 Fuel-ups

  Property of Ericos

• 25.6 Avg MPG

• The 6

  2004 Mazda 6 Ts2
  Added Mar 2017 • 5 Fuel-ups

  Property of redbyname

• 27.7 Avg MPG

• 04mazda6

  2004 Mazda 6 GAS V6
  Added May 2009 • 48 Fuel-ups

  Property of cadenage

• 21.8 Avg MPG

• 2004 Mazda 6s

  2004 Mazda 6 S 3.0L V6 GAS Automatic 5 Speed
  Added Sep 2016 • 70 Fuel-ups

  Property of dierkh

• 23.4 Avg MPG

• Mazda6

  2004 Mazda 6 GAS V6
  Added Jun 2010 • 3 Fuel-ups

  Property of djcense

• 24.2 Avg MPG

• Six

  2004 Mazda 6 GAS V6
  Added Jun 2009 • 23 Fuel-ups

  Property of Defconfunk

• 19.0 Avg MPG

• Mazda 6 SportWagon

  2004 Mazda 6 GAS V6
  Added Jun 2009 • 15 Fuel-ups

  Property of tumbleweed14

• 23.2 Avg MPG

• my_mazda6s

  2004 Mazda 6 GAS V6
  Added Jun 2009 • 13 Fuel-ups

  Property of tcsphoto

• 25.0 Avg MPG

• 2004 Mazda 6 Sportwagon

  2004 Mazda 6 GAS V6
  Added Jan 2009 • 36 Fuel-ups

  Property of GTManiak

• 19.7 Avg MPG

• Red 6i

  2004 Mazda 6 GAS L4
  Added Jul 2009 • 7 Fuel-ups

  Property of Newfiebmxer

• 20.6 Avg MPG

• Grey Ghost

  2004 Mazda 6 GAS V6
  Added May 2009 • 13 Fuel-ups

  Property of Mz6GreyGhost

• 25.1 Avg MPG

• Megan

  2004 Mazda 6 GAS V6
  Added Sep 2009 • 3 Fuel-ups

  Property of sgaspar

• 20.6 Avg MPG

• Mazda 6

  2004 Mazda 6 GAS L4
  Added Aug 2008 • 23 Fuel-ups

  Property of mikeharper

• 23.5 Avg MPG

• Mazda6

  2004 Mazda 6
  Added Sep 2008 • 5 Fuel-ups

  Property of treylong

• 18.8 Avg MPG

• Mazda 6 SportWagon

  2004 Mazda 6 GAS V6
  Added Sep 2008 • 181 Fuel-ups

  Property of johnmharte

• 20.6 Avg MPG

• gangster

  2004 Mazda 6
  Added Mar 2009 • 6 Fuel-ups

  Property of downshift

• 19.6 Avg MPG

• 04 Mazda6 HB

  2004 Mazda 6 GAS L4
  Added May 2009 • 6 Fuel-ups

  Property of 04Mazda6HB

• 19.0 Avg MPG

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