1999 Buick Regal MPG

Based on data from 20 vehicles, 929 fuel-ups and 217,991 miles of driving, the 1999 Buick Regal gets a combined Avg MPG of 20.40 with a 0.33 MPG margin of error.

Below you can see a distribution of the fuel-ups with 45 outliers (4.62%) removed.

Following shows the average MPG of each of the 20 vehicles in the system.

1999 Buick Regals For Sale Nearby

  • 1999 Regal

    1999 Buick Regal LS 3.8L V6 GAS Automatic 4 Speed
    Added Jul 2013 • 127 Fuel-ups

    Property of mrbrianwc

  • 21.1 Avg MPG
  • Grandma

    1999 Buick Regal LS 3.8L V6 GAS Automatic 4 Speed
    Added Sep 2016 • 35 Fuel-ups

    Property of RoadTrippinMeisters

  • 25.5 Avg MPG
  • Jean

    1999 Buick Regal LS 3.8L V6 GAS Automatic 4 Speed
    Added Mar 2017 • 122 Fuel-ups

    Property of MeStitch

  • 21.9 Avg MPG
  • My Black Regal

    1999 Buick Regal GS 3.8L V6 GAS Automatic 4 Speed Sedan
    Added Aug 2016 • 7 Fuel-ups

    Property of mjjacks

  • 17.4 Avg MPG
  • TheBuAck

    1999 Buick Regal LS 3.8L V6 GAS Automatic 4 Speed Sedan
    Added Nov 2015 • 26 Fuel-ups

    Property of TheBuAck

  • 19.7 Avg MPG
  • Edwin Buick Regal LS

    1999 Buick Regal LS 3.8L V6 GAS Automatic 4 Speed
    Added Aug 2016 • 222 Fuel-ups

    Property of DeaconEdwin

  • 21.1 Avg MPG
  • Not Your Father's

    1999 Buick Regal GS 3.8L V6 GAS Automatic 4 Speed Sedan
    Added Aug 2016 • 41 Fuel-ups

    Property of 95crackedhead

  • 20.8 Avg MPG
  • Edwin Buick Regal LS

    1999 Buick Regal LS 3.8L V6 GAS Automatic 4 Speed
    Added Aug 2016 • 127 Fuel-ups

    Property of DeaconEdwin

  • 23.1 Avg MPG
  • 1999 Buick Regal GS "Ibuck"

    1999 Buick Regal GAS
    Added May 2014 • 3 Fuel-ups

    Property of TavshedFjols

  • 13.4 Avg MPG
  • Buick Regal

    1999 Buick Regal GAS V6
    Added May 2014 • 9 Fuel-ups

    Property of heller213

  • 26.5 Avg MPG
  • Buick Regal

    1999 Buick Regal GAS V6
    Added Jul 2013 • 4 Fuel-ups

    Property of redfox

  • 30.8 Avg MPG
  • 901 Buick

    1999 Buick Regal GS 3.8L V6 GAS Automatic 4 Speed
    Added May 2016 • 49 Fuel-ups

    Property of dtesta

  • 27.5 Avg MPG
  • Blue Beast

    1999 Buick Regal GAS V6
    Added Dec 2012 • 30 Fuel-ups

    Property of 95crackedhead

  • 21.2 Avg MPG
  • Regal Beagle

    1999 Buick Regal LS 3.8L V6 GAS Automatic 4 Speed
    Added Sep 2016 • 71 Fuel-ups

    Property of dan946

  • 26.1 Avg MPG
  • Regal

    1999 Buick Regal GS 3.8L V6 GAS Automatic 4 Speed
    Added Sep 2016 • 7 Fuel-ups

    Property of RivMan

  • 22.1 Avg MPG
  • Big Red

    1999 Buick Regal GAS V6
    Added Apr 2009 • 43 Fuel-ups

    Property of Railhead

  • 26.5 Avg MPG
  • Buick

    1999 Buick Regal GAS V6
    Added Sep 2009 • 86 Fuel-ups

    Property of lgmoto

  • 24.4 Avg MPG
  • Buick Regal

    1999 Buick Regal GAS V6
    Added Sep 2008 • 42 Fuel-ups

    Property of Aodell

  • 22.8 Avg MPG
  • buick 99

    1999 Buick Regal GAS V6
    Added Aug 2008 • 40 Fuel-ups

    Property of buick99

  • 15.8 Avg MPG
  • The Buick

    1999 Buick Regal GAS V6
    Added Nov 2008 • 3 Fuel-ups

    Property of Wombat

  • 41.3 Avg MPG

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To coast in neutral or not?

It has been suggested by some that the engine computer shuts... ...

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