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1999 Buick Century MPG

Based on data from 31 vehicles, 2,381 fuel-ups and 593,880 miles of driving, the 1999 Buick Century gets a combined Avg MPG of 22.42 with a 0.17 MPG margin of error.

Below you can see a distribution of the fuel-ups with 54 outliers (2.22%) removed.

Following shows the average MPG of each of the 31 vehicles in the system.

1999 Buick Centurys For Sale Nearby

  • The Green Guppy

    1999 Buick Century Custom 3.1L V6 GAS Automatic 4 Speed Sedan
    Added Mar 2023 • 177 Fuel-ups

    Property of TFine

  • 24.5 Avg MPG
  • Bob Seger

    1999 Buick Century Custom 3.1L V6 GAS Automatic 4 Speed
    Added Dec 2022 • 39 Fuel-ups

    Property of JasonTheH

  • 21.3 Avg MPG
  • Buick

    1999 Buick Century Custom 3.1L V6 GAS Automatic 4 Speed Sedan
    Added Sep 2017 • 323 Fuel-ups

    Property of rabbit718

  • 19.0 Avg MPG
  • My Century

    1999 Buick Century Limited 3.1L V6 GAS Automatic 4 Speed
    Added Dec 2023 • 51 Fuel-ups

    Property of jmbolson

  • 22.0 Avg MPG
  • Mary's Car

    1999 Buick Century Custom 3.1L V6 GAS Automatic 4 Speed Sedan
    Added Jul 2021 • 8 Fuel-ups

    Property of Hexonoid

  • 25.8 Avg MPG
  • Buick Century

    1999 Buick Century Custom 3.1L V6 GAS Automatic 4 Speed
    Added Mar 2018 • 430 Fuel-ups

    Property of russell11110

  • 23.8 Avg MPG
  • My Century

    1999 Buick Century Custom 3.1L V6 GAS Automatic 4 Speed Sedan
    Added Jan 2016 • 41 Fuel-ups

    Property of panama

  • 37.6 Avg MPG
  • Buick Century

    1999 Buick Century Custom 3.1L V6 GAS Automatic 4 Speed
    Added Sep 2016 • 314 Fuel-ups

    Property of Chamberlin

  • 22.0 Avg MPG
  • Buick Beater

    1999 Buick Century Custom 3.1L V6 GAS Automatic 4 Speed Sedan
    Added Oct 2012 • 116 Fuel-ups

    Property of twinjracing

  • 25.7 Avg MPG
  • Bu Bu

    1999 Buick Century Custom 3.1L V6 GAS Automatic 4 Speed Sedan
    Added Sep 2016 • 78 Fuel-ups

    Property of dvsix

  • 25.7 Avg MPG
  • 99 Buick Century

    1999 Buick Century Custom 3.1L V6 GAS Automatic 4 Speed Sedan
    Added Feb 2015 • 13 Fuel-ups

    Property of mjh8812

  • 23.5 Avg MPG
  • Buick

    1999 Buick Century Custom 3.1L V6 GAS Automatic 4 Speed Sedan
    Added Oct 2017 • 111 Fuel-ups

    Property of Laurencevooys

  • 22.3 Avg MPG
  • My Century

    1999 Buick Century Custom
    Added May 2016 • 3 Fuel-ups

    Property of flex1200

  • 26.1 Avg MPG
  • lucky old man

    1999 Buick Century Custom 3.1L V6 GAS Automatic 4 Speed Sedan
    Added Aug 2013 • 117 Fuel-ups

    Property of GVB

  • 21.3 Avg MPG
  • 99 Buick

    1999 Buick Century Custom 3.1L V6 GAS Automatic 4 Speed Sedan
    Added Feb 2019 • 114 Fuel-ups

    Property of jasteiner

  • 22.3 Avg MPG
  • Buick Century v2

    1999 Buick Century Custom 3.1L V6 GAS Automatic 4 Speed
    Added Sep 2016 • 126 Fuel-ups

    Property of mdhoward

  • 23.9 Avg MPG
  • The Buick

    1999 Buick Century Custom 3.1L V6 GAS Automatic 4 Speed Sedan
    Added Sep 2014 • 163 Fuel-ups

    Property of Pwnerast

  • 21.1 Avg MPG
  • THE Green Machine

    1999 Buick Century Limited 3.1L GAS V6 Automatic 4 Sedan (4 Door)
    Added Aug 2014 • 5 Fuel-ups

    Property of The_Green_Machine

  • 17.2 Avg MPG
  • The green machine

    1999 Buick Century Limited 3.1L GAS V6 Automatic 4 Sedan (4 Door)
    Added Jul 2014 • 5 Fuel-ups

    Property of The_Green_Machine

  • 17.5 Avg MPG
  • The Buick

    1999 Buick Century GAS V6
    Added Jan 2014 • 9 Fuel-ups

    Property of 2006Rebel

  • 24.7 Avg MPG

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Tips

ethanol treatment

i use sta-bil marine formula ethanol treatment. 1oz. per 10... ...

by JBW

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