Based on data from 17 vehicles, 1,371 fuel-ups and 392,245 miles of driving, the 2004 Buick Century gets a combined Avg MPG of 25.27 with a 0.22 MPG margin of error.

Any Engine Type 3.1L V6 GAS (11) V6 GAS (5) Any Body Style Sedan (5) Any Submodel Limited (3) Custom (8) Other (6)

Below you can see a distribution of the fuel-ups with 125 outliers (8.36%) removed.

Following shows the average MPG of each of the 17 vehicles in the system.

• Century

  2004 Buick Century Custom 3.1L V6 GAS Automatic 4 Speed
  Added Jan 2018 • 13 Fuel-ups

  Property of SWTH

• 18.3 Avg MPG

• My Century

  2004 Buick Century Custom 3.1L V6 GAS Automatic 4 Speed
  Added Aug 2017 • 406 Fuel-ups

  Property of johnebgood

• 28.1 Avg MPG

• Buick

  2004 Buick Century Custom 3.1L V6 GAS Automatic 4 Speed Sedan
  Added Nov 2019 • 98 Fuel-ups

  Property of Jlbmgrnr

• 20.0 Avg MPG

• Old - Bethany’s Buick

  2004 Buick Century Custom 3.1L V6 GAS Automatic 4 Speed Sedan
  Added Apr 2019 • 83 Fuel-ups

  Property of LRewey

• 23.9 Avg MPG

• My Century

  2004 Buick Century Custom 3.1L V6 GAS Automatic 4 Speed
  Added Jan 2018 • 85 Fuel-ups

  Property of MedicFuzzy

• 24.2 Avg MPG

• Philabuster

  2004 Buick Century Limited 3.1L V6 GAS Automatic 4 Speed Sedan
  Added Nov 2017 • 168 Fuel-ups

  Property of jmericksen

• 36.8 Avg MPG

• Buick Century

  2004 Buick Century Custom Submodel Automatic 3 Speed
  Added Aug 2017 • 66 Fuel-ups

  Property of 07ketnec

• 26.2 Avg MPG

• My Century

  2004 Buick Century Custom 3.1L V6 GAS Automatic 4 Speed
  Added Dec 2017 • 14 Fuel-ups

  Property of jbtrader428

• 13.5 Avg MPG

• My Century

  2004 Buick Century Limited 3.1L V6 GAS Automatic 4 Speed
  Added Feb 2017 • 213 Fuel-ups

  Property of Roelands16

• 26.9 Avg MPG

• Century

  2004 Buick Century Custom 3.1L V6 GAS Automatic 4 Speed Sedan
  Added Mar 2021 • 16 Fuel-ups

  Property of pingster

• 60.8 Avg MPG

• 2004 Buick Century

  2004 Buick Century Custom 3.1L V6 GAS Automatic 4 Speed Sedan
  Added Oct 2017 • 186 Fuel-ups

  Property of spenza

• 26.6 Avg MPG

• Buick Troop

  2004 Buick Century Limited 3.1L V6 GAS Automatic 4 Speed
  Added Jun 2015 • 57 Fuel-ups

  Property of devinshore

• 27.5 Avg MPG

• Buick

  2004 Buick Century GAS V6
  Added Jun 2012 • 55 Fuel-ups

  Property of queenaoife

• 24.1 Avg MPG

• Martin's Car

  2004 Buick Century GAS V6
  Added May 2014 • 40 Fuel-ups

  Property of Rolly16

• 32.5 Avg MPG

• Buick Century

  2004 Buick Century GAS V6
  Added Jun 2012 • 76 Fuel-ups

  Property of jpb293

• 25.1 Avg MPG

• Century

  2004 Buick Century GAS V6
  Added Apr 2011 • 10 Fuel-ups

  Property of sdeerwester

• 31.0 Avg MPG

• Century

  2004 Buick Century GAS V6
  Added Dec 2009 • 44 Fuel-ups

  Property of billgriek

• 24.5 Avg MPG